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29213 Commits

Author SHA1 Message Date
Linus Torvalds
590dce2d49 Merge branch 'rebased-statx' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs 'statx()' update from Al Viro.

This adds the new extended stat() interface that internally subsumes our
previous stat interfaces, and allows user mode to specify in more detail
what kind of information it wants.

It also allows for some explicit synchronization information to be
passed to the filesystem, which can be relevant for network filesystems:
is the cached value ok, or do you need open/close consistency, or what?

From David Howells.

Andreas Dilger points out that the first version of the extended statx
interface was posted June 29, 2010:

    https://www.spinics.net/lists/linux-fsdevel/msg33831.html

* 'rebased-statx' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  statx: Add a system call to make enhanced file info available
2017-03-03 11:38:56 -08:00
Todd Brandt
65a50c6562 ftrace/graph: Add ftrace_graph_max_depth kernel parameter
Early trace callgraphs can be extremely large on systems with
several seconds of boot time. The max_depth parameter limits how
deep the graph trace goes and reduces the output size. This
parameter is the same as the max_graph_depth file in tracefs.

Link: http://lkml.kernel.org/r/1488499935-23216-1-git-send-email-todd.e.brandt@linux.intel.com

Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
[ changed comments about debugfs to tracefs ]
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2017-03-03 09:45:01 -05:00
David Howells
a528d35e8b statx: Add a system call to make enhanced file info available
Add a system call to make extended file information available, including
file creation and some attribute flags where available through the
underlying filesystem.

The getattr inode operation is altered to take two additional arguments: a
u32 request_mask and an unsigned int flags that indicate the
synchronisation mode.  This change is propagated to the vfs_getattr*()
function.

Functions like vfs_stat() are now inline wrappers around new functions
vfs_statx() and vfs_statx_fd() to reduce stack usage.

========
OVERVIEW
========

The idea was initially proposed as a set of xattrs that could be retrieved
with getxattr(), but the general preference proved to be for a new syscall
with an extended stat structure.

A number of requests were gathered for features to be included.  The
following have been included:

 (1) Make the fields a consistent size on all arches and make them large.

 (2) Spare space, request flags and information flags are provided for
     future expansion.

 (3) Better support for the y2038 problem [Arnd Bergmann] (tv_sec is an
     __s64).

 (4) Creation time: The SMB protocol carries the creation time, which could
     be exported by Samba, which will in turn help CIFS make use of
     FS-Cache as that can be used for coherency data (stx_btime).

     This is also specified in NFSv4 as a recommended attribute and could
     be exported by NFSD [Steve French].

 (5) Lightweight stat: Ask for just those details of interest, and allow a
     netfs (such as NFS) to approximate anything not of interest, possibly
     without going to the server [Trond Myklebust, Ulrich Drepper, Andreas
     Dilger] (AT_STATX_DONT_SYNC).

 (6) Heavyweight stat: Force a netfs to go to the server, even if it thinks
     its cached attributes are up to date [Trond Myklebust]
     (AT_STATX_FORCE_SYNC).

And the following have been left out for future extension:

 (7) Data version number: Could be used by userspace NFS servers [Aneesh
     Kumar].

     Can also be used to modify fill_post_wcc() in NFSD which retrieves
     i_version directly, but has just called vfs_getattr().  It could get
     it from the kstat struct if it used vfs_xgetattr() instead.

     (There's disagreement on the exact semantics of a single field, since
     not all filesystems do this the same way).

 (8) BSD stat compatibility: Including more fields from the BSD stat such
     as creation time (st_btime) and inode generation number (st_gen)
     [Jeremy Allison, Bernd Schubert].

 (9) Inode generation number: Useful for FUSE and userspace NFS servers
     [Bernd Schubert].

     (This was asked for but later deemed unnecessary with the
     open-by-handle capability available and caused disagreement as to
     whether it's a security hole or not).

(10) Extra coherency data may be useful in making backups [Andreas Dilger].

     (No particular data were offered, but things like last backup
     timestamp, the data version number and the DOS archive bit would come
     into this category).

(11) Allow the filesystem to indicate what it can/cannot provide: A
     filesystem can now say it doesn't support a standard stat feature if
     that isn't available, so if, for instance, inode numbers or UIDs don't
     exist or are fabricated locally...

     (This requires a separate system call - I have an fsinfo() call idea
     for this).

(12) Store a 16-byte volume ID in the superblock that can be returned in
     struct xstat [Steve French].

     (Deferred to fsinfo).

(13) Include granularity fields in the time data to indicate the
     granularity of each of the times (NFSv4 time_delta) [Steve French].

     (Deferred to fsinfo).

(14) FS_IOC_GETFLAGS value.  These could be translated to BSD's st_flags.
     Note that the Linux IOC flags are a mess and filesystems such as Ext4
     define flags that aren't in linux/fs.h, so translation in the kernel
     may be a necessity (or, possibly, we provide the filesystem type too).

     (Some attributes are made available in stx_attributes, but the general
     feeling was that the IOC flags were to ext[234]-specific and shouldn't
     be exposed through statx this way).

(15) Mask of features available on file (eg: ACLs, seclabel) [Brad Boyer,
     Michael Kerrisk].

     (Deferred, probably to fsinfo.  Finding out if there's an ACL or
     seclabal might require extra filesystem operations).

(16) Femtosecond-resolution timestamps [Dave Chinner].

     (A __reserved field has been left in the statx_timestamp struct for
     this - if there proves to be a need).

(17) A set multiple attributes syscall to go with this.

===============
NEW SYSTEM CALL
===============

The new system call is:

	int ret = statx(int dfd,
			const char *filename,
			unsigned int flags,
			unsigned int mask,
			struct statx *buffer);

The dfd, filename and flags parameters indicate the file to query, in a
similar way to fstatat().  There is no equivalent of lstat() as that can be
emulated with statx() by passing AT_SYMLINK_NOFOLLOW in flags.  There is
also no equivalent of fstat() as that can be emulated by passing a NULL
filename to statx() with the fd of interest in dfd.

Whether or not statx() synchronises the attributes with the backing store
can be controlled by OR'ing a value into the flags argument (this typically
only affects network filesystems):

 (1) AT_STATX_SYNC_AS_STAT tells statx() to behave as stat() does in this
     respect.

 (2) AT_STATX_FORCE_SYNC will require a network filesystem to synchronise
     its attributes with the server - which might require data writeback to
     occur to get the timestamps correct.

 (3) AT_STATX_DONT_SYNC will suppress synchronisation with the server in a
     network filesystem.  The resulting values should be considered
     approximate.

mask is a bitmask indicating the fields in struct statx that are of
interest to the caller.  The user should set this to STATX_BASIC_STATS to
get the basic set returned by stat().  It should be noted that asking for
more information may entail extra I/O operations.

buffer points to the destination for the data.  This must be 256 bytes in
size.

======================
MAIN ATTRIBUTES RECORD
======================

The following structures are defined in which to return the main attribute
set:

	struct statx_timestamp {
		__s64	tv_sec;
		__s32	tv_nsec;
		__s32	__reserved;
	};

	struct statx {
		__u32	stx_mask;
		__u32	stx_blksize;
		__u64	stx_attributes;
		__u32	stx_nlink;
		__u32	stx_uid;
		__u32	stx_gid;
		__u16	stx_mode;
		__u16	__spare0[1];
		__u64	stx_ino;
		__u64	stx_size;
		__u64	stx_blocks;
		__u64	__spare1[1];
		struct statx_timestamp	stx_atime;
		struct statx_timestamp	stx_btime;
		struct statx_timestamp	stx_ctime;
		struct statx_timestamp	stx_mtime;
		__u32	stx_rdev_major;
		__u32	stx_rdev_minor;
		__u32	stx_dev_major;
		__u32	stx_dev_minor;
		__u64	__spare2[14];
	};

The defined bits in request_mask and stx_mask are:

	STATX_TYPE		Want/got stx_mode & S_IFMT
	STATX_MODE		Want/got stx_mode & ~S_IFMT
	STATX_NLINK		Want/got stx_nlink
	STATX_UID		Want/got stx_uid
	STATX_GID		Want/got stx_gid
	STATX_ATIME		Want/got stx_atime{,_ns}
	STATX_MTIME		Want/got stx_mtime{,_ns}
	STATX_CTIME		Want/got stx_ctime{,_ns}
	STATX_INO		Want/got stx_ino
	STATX_SIZE		Want/got stx_size
	STATX_BLOCKS		Want/got stx_blocks
	STATX_BASIC_STATS	[The stuff in the normal stat struct]
	STATX_BTIME		Want/got stx_btime{,_ns}
	STATX_ALL		[All currently available stuff]

stx_btime is the file creation time, stx_mask is a bitmask indicating the
data provided and __spares*[] are where as-yet undefined fields can be
placed.

Time fields are structures with separate seconds and nanoseconds fields
plus a reserved field in case we want to add even finer resolution.  Note
that times will be negative if before 1970; in such a case, the nanosecond
fields will also be negative if not zero.

The bits defined in the stx_attributes field convey information about a
file, how it is accessed, where it is and what it does.  The following
attributes map to FS_*_FL flags and are the same numerical value:

	STATX_ATTR_COMPRESSED		File is compressed by the fs
	STATX_ATTR_IMMUTABLE		File is marked immutable
	STATX_ATTR_APPEND		File is append-only
	STATX_ATTR_NODUMP		File is not to be dumped
	STATX_ATTR_ENCRYPTED		File requires key to decrypt in fs

Within the kernel, the supported flags are listed by:

	KSTAT_ATTR_FS_IOC_FLAGS

[Are any other IOC flags of sufficient general interest to be exposed
through this interface?]

New flags include:

	STATX_ATTR_AUTOMOUNT		Object is an automount trigger

These are for the use of GUI tools that might want to mark files specially,
depending on what they are.

Fields in struct statx come in a number of classes:

 (0) stx_dev_*, stx_blksize.

     These are local system information and are always available.

 (1) stx_mode, stx_nlinks, stx_uid, stx_gid, stx_[amc]time, stx_ino,
     stx_size, stx_blocks.

     These will be returned whether the caller asks for them or not.  The
     corresponding bits in stx_mask will be set to indicate whether they
     actually have valid values.

     If the caller didn't ask for them, then they may be approximated.  For
     example, NFS won't waste any time updating them from the server,
     unless as a byproduct of updating something requested.

     If the values don't actually exist for the underlying object (such as
     UID or GID on a DOS file), then the bit won't be set in the stx_mask,
     even if the caller asked for the value.  In such a case, the returned
     value will be a fabrication.

     Note that there are instances where the type might not be valid, for
     instance Windows reparse points.

 (2) stx_rdev_*.

     This will be set only if stx_mode indicates we're looking at a
     blockdev or a chardev, otherwise will be 0.

 (3) stx_btime.

     Similar to (1), except this will be set to 0 if it doesn't exist.

=======
TESTING
=======

The following test program can be used to test the statx system call:

	samples/statx/test-statx.c

Just compile and run, passing it paths to the files you want to examine.
The file is built automatically if CONFIG_SAMPLES is enabled.

Here's some example output.  Firstly, an NFS directory that crosses to
another FSID.  Note that the AUTOMOUNT attribute is set because transiting
this directory will cause d_automount to be invoked by the VFS.

	[root@andromeda ~]# /tmp/test-statx -A /warthog/data
	statx(/warthog/data) = 0
	results=7ff
	  Size: 4096            Blocks: 8          IO Block: 1048576  directory
	Device: 00:26           Inode: 1703937     Links: 125
	Access: (3777/drwxrwxrwx)  Uid:     0   Gid:  4041
	Access: 2016-11-24 09:02:12.219699527+0000
	Modify: 2016-11-17 10:44:36.225653653+0000
	Change: 2016-11-17 10:44:36.225653653+0000
	Attributes: 0000000000001000 (-------- -------- -------- -------- -------- -------- ---m---- --------)

Secondly, the result of automounting on that directory.

	[root@andromeda ~]# /tmp/test-statx /warthog/data
	statx(/warthog/data) = 0
	results=7ff
	  Size: 4096            Blocks: 8          IO Block: 1048576  directory
	Device: 00:27           Inode: 2           Links: 125
	Access: (3777/drwxrwxrwx)  Uid:     0   Gid:  4041
	Access: 2016-11-24 09:02:12.219699527+0000
	Modify: 2016-11-17 10:44:36.225653653+0000
	Change: 2016-11-17 10:44:36.225653653+0000

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-03-02 20:51:15 -05:00
Linus Torvalds
080e4168c0 More power management updates for v4.11-rc1
- Fix for a cpuidle menu governor problem that started to take an
    unnecessary spinlock after one of the recent updates and that
    did not play well with the RT patch (Rafael Wysocki).
 
  - Fix for the new intel_pstate operation mode switching feature
    added recently that did not reinitialize P-state limits properly
    when switching operation modes (Rafael Wysocki).
 
  - Removal of unused global notifiers from the PM QoS framework
    (Viresh Kumar).
 
  - Generic power domains framework update to make it handle
    asynchronous invocations of PM callbacks in the "noirq" phases
    of system suspend/hibernation correctly (Ulf Hansson).
 
  - Two hibernation core cleanups (Rafael Wysocki).
 
  - intel_idle cleanup related to the sysfs interface (Len Brown).
 
  - Off-by-one bug fix in the OPP (Operating Performance Points)
    framework (Andrzej Hajda).
 
  - OPP framework's documentation fix (Viresh Kumar).
 
  - cpufreq qoriq driver cleanup (Tang Yuantian).
 
  - Fixes for typos in comments in the device runtime PM framework
    (Christophe Jaillet).
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Merge tag 'pm-extra-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates deom Rafael Wysocki:
 "These fix two bugs introduced by recent power management updates (in
  the cpuidle menu governor and intel_pstate) and a few other issues,
  clean up things and remove unused code.

  Specifics:

   - Fix for a cpuidle menu governor problem that started to take an
     unnecessary spinlock after one of the recent updates and that did
     not play well with the RT patch (Rafael Wysocki).

   - Fix for the new intel_pstate operation mode switching feature added
     recently that did not reinitialize P-state limits properly when
     switching operation modes (Rafael Wysocki).

   - Removal of unused global notifiers from the PM QoS framework
     (Viresh Kumar).

   - Generic power domains framework update to make it handle
     asynchronous invocations of PM callbacks in the "noirq" phases of
     system suspend/hibernation correctly (Ulf Hansson).

   - Two hibernation core cleanups (Rafael Wysocki).

   - intel_idle cleanup related to the sysfs interface (Len Brown).

   - Off-by-one bug fix in the OPP (Operating Performance Points)
     framework (Andrzej Hajda).

   - OPP framework's documentation fix (Viresh Kumar).

   - cpufreq qoriq driver cleanup (Tang Yuantian).

   - Fixes for typos in comments in the device runtime PM framework
     (Christophe Jaillet)"

* tag 'pm-extra-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM / OPP: Documentation: Fix opp-microvolt in examples
  intel_idle: stop exposing platform acronyms in sysfs
  cpufreq: intel_pstate: Fix limits issue with operation mode switching
  PM / hibernate: Define pr_fmt() and use pr_*() instead of printk()
  PM / hibernate: Untangle power_down()
  cpuidle: menu: Avoid taking spinlock for accessing QoS values
  PM / QoS: Remove global notifiers
  PM / runtime: Fix some typos
  cpufreq: qoriq: clean up unused code
  PM / OPP: fix off-by-one bug in dev_pm_opp_get_max_volt_latency loop
  PM / Domains: Power off masters immediately in the power off sequence
  PM / Domains: Rename is_async to one_dev_on for genpd_power_off()
  PM / Domains: Move genpd_power_off() above genpd_power_on()
2017-03-02 17:33:52 -08:00
Rafael J. Wysocki
21ff03c484 Merge branches 'pm-core', 'pm-qos', 'pm-domains' and 'pm-opp'
* pm-core:
  PM / runtime: Fix some typos

* pm-qos:
  PM / QoS: Remove global notifiers

* pm-domains:
  PM / Domains: Power off masters immediately in the power off sequence
  PM / Domains: Rename is_async to one_dev_on for genpd_power_off()
  PM / Domains: Move genpd_power_off() above genpd_power_on()

* pm-opp:
  PM / OPP: Documentation: Fix opp-microvolt in examples
  PM / OPP: fix off-by-one bug in dev_pm_opp_get_max_volt_latency loop
2017-03-03 00:34:44 +01:00
Linus Torvalds
0f221a3102 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem fixes from James Morris:
 "Two fixes for the security subsystem:

   - keys: split both rcu_dereference_key() and user_key_payload() into
     versions which can be called with or without holding the key
     semaphore.

   - SELinux: fix Android init(8) breakage due to new cgroup security
     labeling support when using older policy"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  selinux: wrap cgroup seclabel support with its own policy capability
  KEYS: Differentiate uses of rcu_dereference_key() and user_key_payload()
2017-03-02 13:22:18 -08:00
Arnd Bergmann
d4b80d9aac Merge branch 'next/late' with mainline
* next/late: (25 commits)
  arm64: dts: exynos: Add regulators for Vbus and Vbus-Boost
  arm64: dts: exynos: Add USB 3.0 controller node for Exynos7
  arm64: dts: exynos: Use macros for pinctrl configuration on Exynos7
  pinctrl: dt-bindings: samsung: Add Exynos7 specific pinctrl macro definitions
  arm64: dts: exynos: Add initial configuration for DISP clocks for TM2/TM2e
  ARM64: dts: meson-gxbb-p200: add ADC laddered keys
  ARM64: dts: meson: meson-gx: add the SAR ADC
  ARM64: dts: meson-gxl: add the pwm_ao_b pin
  ARM64: dts: meson-gx: add the missing pwm_AO_ab node
  clk: gxbb: fix CLKID_ETH defined twice
  clk: samsung: exynos5433: Add data for 250MHz and 278MHz PLL rates
  clk: samsung: exynos5433: Add IDs for PHYCLK_MIPIDPHY0_* clocks
  ARM64: dts: meson-gxl: rename Nexbox A95x for consistency
  clk: gxbb: add the SAR ADC clocks and expose them
  dt-bindings: amlogic: Add WeTek boards
  ARM64: dts: meson-gxbb: Add support for WeTek Hub and Play
  dt-bindings: vendor-prefix: Add wetek vendor prefix
  ARM64: dts: meson-gxm: Rename q200 and q201 DT files for consistency
  ARM64: dts: meson-gx: Add HDMI HPD/DDC pinctrl nodes
  ARM64: dts: meson-gxbb-vega-s95: Add LED
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-03-02 17:52:44 +01:00
Ingo Molnar
9d020d33fc Merge branch 'linus' into perf/urgent, to resolve conflict
Conflicts:
	arch/powerpc/configs/85xx/kmp204x_defconfig

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:05:45 +01:00
Linus Torvalds
25c4e6c3f0 for-f2fs-4.11
This round introduces several interesting features such as on-disk NAT bitmaps,
 IO alignment, and a discard thread. And it includes a couple of major bug fixes
 as below.
 
 == Enhancement ==
 - introduce on-disk bitmaps to avoid scanning NAT blocks when getting free nids
 - support IO alignment to prepare open-channel SSD integration in future
 - introduce a discard thread to avoid long latency during checkpoint and fstrim
 - use SSR for warm node and enable inline_xattr by default
 - introduce in-memory bitmaps to check FS consistency for debugging
 - improve write_begin by avoiding needless read IO
 
 == Bug fix ==
 - fix broken zone_reset behavior for SMR drive
 - fix wrong victim selection policy during GC
 - fix missing behavior when preparing discard commands
 - fix bugs in atomic write support and fiemap
 - workaround to handle multiple f2fs_add_link calls having same name
 
 And it includes a bunch of clean-up patches as well.
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Merge tag 'for-f2fs-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "This round introduces several interesting features such as on-disk NAT
  bitmaps, IO alignment, and a discard thread. And it includes a couple
  of major bug fixes as below.

  Enhancements:

   - introduce on-disk bitmaps to avoid scanning NAT blocks when getting
     free nids

   - support IO alignment to prepare open-channel SSD integration in
     future

   - introduce a discard thread to avoid long latency during checkpoint
     and fstrim

   - use SSR for warm node and enable inline_xattr by default

   - introduce in-memory bitmaps to check FS consistency for debugging

   - improve write_begin by avoiding needless read IO

  Bug fixes:

   - fix broken zone_reset behavior for SMR drive

   - fix wrong victim selection policy during GC

   - fix missing behavior when preparing discard commands

   - fix bugs in atomic write support and fiemap

   - workaround to handle multiple f2fs_add_link calls having same name

  ... and it includes a bunch of clean-up patches as well"

* tag 'for-f2fs-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (97 commits)
  f2fs: avoid to flush nat journal entries
  f2fs: avoid to issue redundant discard commands
  f2fs: fix a plint compile warning
  f2fs: add f2fs_drop_inode tracepoint
  f2fs: Fix zoned block device support
  f2fs: remove redundant set_page_dirty()
  f2fs: fix to enlarge size of write_io_dummy mempool
  f2fs: fix memory leak of write_io_dummy mempool during umount
  f2fs: fix to update F2FS_{CP_}WB_DATA count correctly
  f2fs: use MAX_FREE_NIDS for the free nids target
  f2fs: introduce free nid bitmap
  f2fs: new helper cur_cp_crc() getting crc in f2fs_checkpoint
  f2fs: update the comment of default nr_pages to skipping
  f2fs: drop the duplicate pval in f2fs_getxattr
  f2fs: Don't update the xattr data that same as the exist
  f2fs: kill __is_extent_same
  f2fs: avoid bggc->fggc when enough free segments are avaliable after cp
  f2fs: select target segment with closer temperature in SSR mode
  f2fs: show simple call stack in fault injection message
  f2fs: no need lock_op in f2fs_write_inline_data
  ...
2017-03-01 15:55:04 -08:00
David Howells
0837e49ab3 KEYS: Differentiate uses of rcu_dereference_key() and user_key_payload()
rcu_dereference_key() and user_key_payload() are currently being used in
two different, incompatible ways:

 (1) As a wrapper to rcu_dereference() - when only the RCU read lock used
     to protect the key.

 (2) As a wrapper to rcu_dereference_protected() - when the key semaphor is
     used to protect the key and the may be being modified.

Fix this by splitting both of the key wrappers to produce:

 (1) RCU accessors for keys when caller has the key semaphore locked:

	dereference_key_locked()
	user_key_payload_locked()

 (2) RCU accessors for keys when caller holds the RCU read lock:

	dereference_key_rcu()
	user_key_payload_rcu()

This should fix following warning in the NFS idmapper

  ===============================
  [ INFO: suspicious RCU usage. ]
  4.10.0 #1 Tainted: G        W
  -------------------------------
  ./include/keys/user-type.h:53 suspicious rcu_dereference_protected() usage!
  other info that might help us debug this:
  rcu_scheduler_active = 2, debug_locks = 0
  1 lock held by mount.nfs/5987:
    #0:  (rcu_read_lock){......}, at: [<d000000002527abc>] nfs_idmap_get_key+0x15c/0x420 [nfsv4]
  stack backtrace:
  CPU: 1 PID: 5987 Comm: mount.nfs Tainted: G        W       4.10.0 #1
  Call Trace:
    dump_stack+0xe8/0x154 (unreliable)
    lockdep_rcu_suspicious+0x140/0x190
    nfs_idmap_get_key+0x380/0x420 [nfsv4]
    nfs_map_name_to_uid+0x2a0/0x3b0 [nfsv4]
    decode_getfattr_attrs+0xfac/0x16b0 [nfsv4]
    decode_getfattr_generic.constprop.106+0xbc/0x150 [nfsv4]
    nfs4_xdr_dec_lookup_root+0xac/0xb0 [nfsv4]
    rpcauth_unwrap_resp+0xe8/0x140 [sunrpc]
    call_decode+0x29c/0x910 [sunrpc]
    __rpc_execute+0x140/0x8f0 [sunrpc]
    rpc_run_task+0x170/0x200 [sunrpc]
    nfs4_call_sync_sequence+0x68/0xa0 [nfsv4]
    _nfs4_lookup_root.isra.44+0xd0/0xf0 [nfsv4]
    nfs4_lookup_root+0xe0/0x350 [nfsv4]
    nfs4_lookup_root_sec+0x70/0xa0 [nfsv4]
    nfs4_find_root_sec+0xc4/0x100 [nfsv4]
    nfs4_proc_get_rootfh+0x5c/0xf0 [nfsv4]
    nfs4_get_rootfh+0x6c/0x190 [nfsv4]
    nfs4_server_common_setup+0xc4/0x260 [nfsv4]
    nfs4_create_server+0x278/0x3c0 [nfsv4]
    nfs4_remote_mount+0x50/0xb0 [nfsv4]
    mount_fs+0x74/0x210
    vfs_kern_mount+0x78/0x220
    nfs_do_root_mount+0xb0/0x140 [nfsv4]
    nfs4_try_mount+0x60/0x100 [nfsv4]
    nfs_fs_mount+0x5ec/0xda0 [nfs]
    mount_fs+0x74/0x210
    vfs_kern_mount+0x78/0x220
    do_mount+0x254/0xf70
    SyS_mount+0x94/0x100
    system_call+0x38/0xe0

Reported-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
2017-03-02 10:09:00 +11:00
Viresh Kumar
28db0c7b1c PM / OPP: Documentation: Fix opp-microvolt in examples
The triplet present in "opp-microvolt" property should be in the order
<target min max>, while all the examples have it in the order
<min target max>.

Fix it.

Luckily all of the users of "opp-microvolt" property have applied brain
instead of copying the examples from documentation and none of the
actual dts files have it wrong.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-03-01 22:47:30 +01:00
Linus Torvalds
544a068f1f Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management updates from Zhang Rui:

 - add thermal driver for R-Car Gen3 thermal sensors.

 - add thermal driver for ZTE' zx2967 family thermal sensors.

 - convert thermal ID allocation from IDR to IDA.

 - fix a possible NULL dereference in imx thermal driver.

 - fix a ti-soc-thermal driver dependency issue so that critical thermal
   control is still available when CPU_THERMAL is not defined.

 - update binding information for QorIQ thermal driver.

 - a couple of cleanups in thermal core, intel_powerclamp, exynos,
   dra752-thermal, mtk-thermal driver.

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
  powerpc/mpc85xx: Update TMU device tree node for T1023/T1024
  powerpc/mpc85xx: Update TMU device tree node for T1040/T1042
  dt-bindings: Update QorIQ TMU thermal bindings
  thermal: mtk_thermal: Staticise a number of data variables
  thermal: arm: dra752: Remove all TSHUT related definitions
  thermal: arm: dra752: Remove TSHUT configuration
  thermal: ti-soc-thermal: Remove CPU_THERMAL Dependency from TI_THERMAL
  thermal: imx: Fix possible NULL dereference.
  thermal: exynos: Remove parsing unused samsung,tmu_cal_mode property
  thermal: zx2967: add thermal driver for ZTE's zx2967 family
  thermal: use cpumask_var_t for on-stack cpu masks
  dt: bindings: add documentation for zx2967 family thermal sensor
  thermal/intel_powerclamp: Remove set-but-not-used variables
  thermal: rcar_gen3_thermal: Add R-Car Gen3 thermal driver
  thermal: rcar_gen3_thermal: Document the R-Car Gen3
  thermal: convert devfreq_cooling to use an IDA
  thermal: convert cpu_cooling to use an IDA
  thermal: convert clock cooling to use an IDA
  thermal core: convert ID allocation to IDA
2017-03-01 09:54:32 -08:00
Linus Torvalds
545b2820c4 pwm: Changes for v4.11-rc1
This set contains mostly fixes to existing drivers as well as cleanup of
 code that's not been in active use for a while.
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Merge tag 'pwm/for-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This set contains mostly fixes to existing drivers as well as cleanup
  of code that's not been in active use for a while"

* tag 'pwm/for-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (27 commits)
  acpi: lpss: call pwm_add_table() for BSW PWM device
  pwm: Try to load modules during pwm_get()
  pwm: Don't hold pwm_lookup_lock longer than necessary
  pwm: Make the PWM_POLARITY flag in DTB optional
  pwm: Print error messages with pr_err() instead of pr_debug()
  pwm: imx: Add polarity inversion support to i.MX's PWMv2
  pwm: imx: doc: Update imx-pwm.txt documentation entry
  pwm: imx: Remove redundant i.MX PWMv2 code
  pwm: imx: Provide atomic PWM support for i.MX PWMv2
  pwm: imx: Move PWMv2 wait for fifo slot code to a separate function
  pwm: imx: Move PWMv2 software reset code to a separate function
  pwm: imx: Rewrite v1 code to facilitate switch to atomic PWM
  pwm: imx: Add separate set of PWM ops for v1 and v2
  pwm: imx: Remove ipg clock and enable per clock when required
  pwm: lpss: Add Intel Gemini Lake PCI ID
  pwm: lpss: Do not export board infos for different PWM types
  pwm: lpss: Avoid reconfiguring while UPDATE bit is still enabled
  pwm: lpss: Switch to new atomic API
  pwm: lpss: Allow duty cycle to be 0
  pwm: lpss: Avoid potential overflow of base_unit
  ...
2017-03-01 09:46:02 -08:00
Anton Blanchard
6b0b755142 perf/core: Rename CONFIG_[UK]PROBE_EVENT to CONFIG_[UK]PROBE_EVENTS
We have uses of CONFIG_UPROBE_EVENT and CONFIG_KPROBE_EVENT as
well as CONFIG_UPROBE_EVENTS and CONFIG_KPROBE_EVENTS.

Consistently use the plurals.

Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: acme@kernel.org
Cc: alexander.shishkin@linux.intel.com
Cc: davem@davemloft.net
Cc: sparclinux@vger.kernel.org
Link: http://lkml.kernel.org/r/20170216060050.20866-1-anton@ozlabs.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-01 10:26:39 +01:00
Linus Torvalds
2d6be4abf5 This is a few small fixes to the main IPMI driver, make some
things const, fix typos, etc.
 
 The last patch came in about a week ago, but IMHO it's best to
 go in now.  It is not for the main driver, it's for the bt-bmc
 driver, which runs on the managment controller side, not on
 the host side, so the scope is limited and the change is
 necessary.
 
 Thanks,
 
 -corey
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Merge tag 'for-linus-4.11' of git://git.code.sf.net/p/openipmi/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "This is a few small fixes to the main IPMI driver, make some things
  const, fix typos, etc.

  The last patch came in about a week ago, but IMHO it's best to go in
  now. It is not for the main driver, it's for the bt-bmc driver, which
  runs on the managment controller side, not on the host side, so the
  scope is limited and the change is necessary"

* tag 'for-linus-4.11' of git://git.code.sf.net/p/openipmi/linux-ipmi:
  ipmi: bt-bmc: Use a regmap for register access
  char: ipmi: constify ipmi_smi_handlers structures
  acpi:ipmi: Make IPMI user handler const
  ipmi: make ipmi_usr_hndl const
  Documentation: Fix a typo in IPMI.txt.
2017-02-28 21:06:30 -08:00
Linus Torvalds
b2deee2dc0 This time around we have:
- support for rbd data-pool feature, which enables rbd images on
   erasure-coded pools (myself).  CEPH_PG_MAX_SIZE has been bumped to
   allow erasure-coded profiles with k+m up to 32.
 
 - a patch for ceph_d_revalidate() performance regression introduced in
   4.9, along with some cleanups in the area (Jeff Layton)
 
 - a set of fixes for unsafe ->d_parent accesses in CephFS (Jeff Layton)
 
 - buffered reads are now processed in rsize windows instead of rasize
   windows (Andreas Gerstmayr).  The new default for rsize mount option
   is 64M.
 
 - ack vs commit distinction is gone, greatly simplifying ->fsync() and
   MOSDOpReply handling code (myself)
 
 Also a few filesystem bug fixes from Zheng, a CRUSH sync up (CRUSH
 computations are still serialized though) and several minor fixes and
 cleanups all over.
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Merge tag 'ceph-for-4.11-rc1' of git://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "This time around we have:

   - support for rbd data-pool feature, which enables rbd images on
     erasure-coded pools (myself). CEPH_PG_MAX_SIZE has been bumped to
     allow erasure-coded profiles with k+m up to 32.

   - a patch for ceph_d_revalidate() performance regression introduced
     in 4.9, along with some cleanups in the area (Jeff Layton)

   - a set of fixes for unsafe ->d_parent accesses in CephFS (Jeff
     Layton)

   - buffered reads are now processed in rsize windows instead of rasize
     windows (Andreas Gerstmayr). The new default for rsize mount option
     is 64M.

   - ack vs commit distinction is gone, greatly simplifying ->fsync()
     and MOSDOpReply handling code (myself)

  ... also a few filesystem bug fixes from Zheng, a CRUSH sync up (CRUSH
  computations are still serialized though) and several minor fixes and
  cleanups all over"

* tag 'ceph-for-4.11-rc1' of git://github.com/ceph/ceph-client: (52 commits)
  libceph, rbd, ceph: WRITE | ONDISK -> WRITE
  libceph: get rid of ack vs commit
  ceph: remove special ack vs commit behavior
  ceph: tidy some white space in get_nonsnap_parent()
  crush: fix dprintk compilation
  crush: do is_out test only if we do not collide
  ceph: remove req from unsafe list when unregistering it
  rbd: constify device_type structure
  rbd: kill obj_request->object_name and rbd_segment_name_cache
  rbd: store and use obj_request->object_no
  rbd: RBD_V{1,2}_DATA_FORMAT macros
  rbd: factor out __rbd_osd_req_create()
  rbd: set offset and length outside of rbd_obj_request_create()
  rbd: support for data-pool feature
  rbd: introduce rbd_init_layout()
  rbd: use rbd_obj_bytes() more
  rbd: remove now unused rbd_obj_request_wait() and helpers
  rbd: switch rbd_obj_method_sync() to ceph_osdc_call()
  libceph: pass reply buffer length through ceph_osdc_call()
  rbd: do away with obj_request in rbd_obj_read_sync()
  ...
2017-02-28 15:36:09 -08:00
Linus Torvalds
f89db789de Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "Two documentation updates, plus a debugging annotation fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/crash: Update the stale comment in reserve_crashkernel()
  x86/irq, trace: Add __irq_entry annotation to x86's platform IRQ handlers
  Documentation, x86, resctrl: Recommend locking for resctrlfs
2017-02-28 11:46:00 -08:00
Linus Torvalds
86292b33d4 Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:

 - a few MM remainders

 - misc things

 - autofs updates

 - signals

 - affs updates

 - ipc

 - nilfs2

 - spelling.txt updates

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (78 commits)
  mm, x86: fix HIGHMEM64 && PARAVIRT build config for native_pud_clear()
  mm: add arch-independent testcases for RODATA
  hfs: atomically read inode size
  mm: clarify mm_struct.mm_{users,count} documentation
  mm: use mmget_not_zero() helper
  mm: add new mmget() helper
  mm: add new mmgrab() helper
  checkpatch: warn when formats use %Z and suggest %z
  lib/vsprintf.c: remove %Z support
  scripts/spelling.txt: add some typo-words
  scripts/spelling.txt: add "followings" pattern and fix typo instances
  scripts/spelling.txt: add "therfore" pattern and fix typo instances
  scripts/spelling.txt: add "overwriten" pattern and fix typo instances
  scripts/spelling.txt: add "overwritting" pattern and fix typo instances
  scripts/spelling.txt: add "deintialize(d)" pattern and fix typo instances
  scripts/spelling.txt: add "disassocation" pattern and fix typo instances
  scripts/spelling.txt: add "omited" pattern and fix typo instances
  scripts/spelling.txt: add "explictely" pattern and fix typo instances
  scripts/spelling.txt: add "applys" pattern and fix typo instances
  scripts/spelling.txt: add "configuartion" pattern and fix typo instances
  ...
2017-02-27 23:09:29 -08:00
Linus Torvalds
f7878dc3a9 Merge branch 'for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
 "Several noteworthy changes.

   - Parav's rdma controller is finally merged. It is very straight
     forward and can limit the abosolute numbers of common rdma
     constructs used by different cgroups.

   - kernel/cgroup.c got too chubby and disorganized. Created
     kernel/cgroup/ subdirectory and moved all cgroup related files
     under kernel/ there and reorganized the core code. This hurts for
     backporting patches but was long overdue.

   - cgroup v2 process listing reimplemented so that it no longer
     depends on allocating a buffer large enough to cache the entire
     result to sort and uniq the output. v2 has always mangled the sort
     order to ensure that users don't depend on the sorted output, so
     this shouldn't surprise anybody. This makes the pid listing
     functions use the same iterators that are used internally, which
     have to have the same iterating capabilities anyway.

   - perf cgroup filtering now works automatically on cgroup v2. This
     patch was posted a long time ago but somehow fell through the
     cracks.

   - misc fixes asnd documentation updates"

* 'for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (27 commits)
  kernfs: fix locking around kernfs_ops->release() callback
  cgroup: drop the matching uid requirement on migration for cgroup v2
  cgroup, perf_event: make perf_event controller work on cgroup2 hierarchy
  cgroup: misc cleanups
  cgroup: call subsys->*attach() only for subsystems which are actually affected by migration
  cgroup: track migration context in cgroup_mgctx
  cgroup: cosmetic update to cgroup_taskset_add()
  rdmacg: Fixed uninitialized current resource usage
  cgroup: Add missing cgroup-v2 PID controller documentation.
  rdmacg: Added documentation for rdmacg
  IB/core: added support to use rdma cgroup controller
  rdmacg: Added rdma cgroup controller
  cgroup: fix a comment typo
  cgroup: fix RCU related sparse warnings
  cgroup: move namespace code to kernel/cgroup/namespace.c
  cgroup: rename functions for consistency
  cgroup: move v1 mount functions to kernel/cgroup/cgroup-v1.c
  cgroup: separate out cgroup1_kf_syscall_ops
  cgroup: refactor mount path and clearly distinguish v1 and v2 paths
  cgroup: move cgroup v1 specific code to kernel/cgroup/cgroup-v1.c
  ...
2017-02-27 21:41:08 -08:00
Linus Torvalds
5782fd14aa RTC for 4.11
Subsystem:
  - constify rtc_class_ops structures
 
 New driver:
  - STM32
 
 Drivers:
  - armada38x: fix errata, Armada 7K/8K support
  - ds3232: fix wakeup support
  - gemini: DT support
  - m48t86: huge cleanup and platform_data removal
  - mcp795: alarm support
  - sun6i: proper oscillator handling
  - tegra: proper clock handling
  - tps65910: calibration support
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Merge tag 'rtc-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Subsystem:
   - constify rtc_class_ops structures

 New driver:
   - STM32

 Drivers:
   - armada38x: fix errata, Armada 7K/8K support
   - ds3232: fix wakeup support
   - gemini: DT support
   - m48t86: huge cleanup and platform_data removal
   - mcp795: alarm support
   - sun6i: proper oscillator handling
   - tegra: proper clock handling
   - tps65910: calibration support"

* tag 'rtc-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (44 commits)
  rtc: ds3232: Call device_init_wakeup before device_register
  rtc: pcf2127: bulk read only date and time registers.
  rtc: armada38x: Add support for Armada 7K/8K
  rtc: armada38x: Prepare driver to manage different versions
  rtc: ds3232: Add regmap max_register definition.
  rtc: ds3232: Cleanup whitespace around register and bit definitions.
  rtc: m48t86: remove unused platform_data
  ARM: Orion5x: ts78xx: allow rtc-m48t86 to manage it's own resources
  ARM: Orion5x: ts78xx: remove RTC detection
  ARM: ep93xx: ts72xx: allow rtc-m48t86 to manage its own resources
  rtc: m48t86: verify that the RTC is actually present
  rtc: m48t86: add NVRAM support
  rtc: m48t86: allow driver to manage its resources
  rtc: m48t86: shorten register name defines
  bindings: rtc: correct wrong reference in required properties
  rtc: sun6i: Fix return value check in sun6i_rtc_clk_init()
  rtc: sun6i: extend test coverage
  rtc: sun6i: Fix compatibility with old DT binding
  rtc: snvs: add a missing write sync
  rtc: bq32000: add support to enable disable the trickle charge FET bypass
  ...
2017-02-27 19:59:21 -08:00
Masahiro Yamada
4091fb95b5 scripts/spelling.txt: add "followings" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  followings||following

While we are here, add a missing colon in the boilerplate in DT binding
documents.  The "you SoC" in allwinner,sunxi-pinctrl.txt was fixed as
well.

I reworded "as the followings:" to "as follows:" for
drivers/usb/gadget/udc/renesas_usb3.c.

Link: http://lkml.kernel.org/r/1481573103-11329-32-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada
34dcaf40c1 scripts/spelling.txt: add "explictely" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  explictely||explicitly

Link: http://lkml.kernel.org/r/1481573103-11329-25-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada
03671057c3 scripts/spelling.txt: add "overrided" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  overrided||overridden

Link: http://lkml.kernel.org/r/1481573103-11329-22-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada
b564d62e67 scripts/spelling.txt: add "varible" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  varible||variable

While we are here, tidy up the comment blocks that fit in a single line
for drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c and
net/sctp/transport.c.

Link: http://lkml.kernel.org/r/1481573103-11329-11-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:47 -08:00
Masahiro Yamada
03440c4e5e scripts/spelling.txt: add "an union" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  an union||a union

Link: http://lkml.kernel.org/r/1481573103-11329-5-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:46 -08:00
Masahiro Yamada
9332ef9dbd scripts/spelling.txt: add "an user" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  an user||a user
  an userspace||a userspace

I also added "userspace" to the list since it is a common word in Linux.
I found some instances for "an userfaultfd", but I did not add it to the
list.  I felt it is endless to find words that start with "user" such as
"userland" etc., so must draw a line somewhere.

Link: http://lkml.kernel.org/r/1481573103-11329-4-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:46 -08:00
Masahiro Yamada
08a7e621ff scripts/spelling.txt: add "swith" pattern and fix typo instances
Fix typos and add the following to the scripts/spelling.txt:

  swith||switch
  swithable||switchable
  swithed||switched
  swithing||switching

While we are here, fix the "update" to "updates" in the touched hunk in
drivers/net/wireless/marvell/mwifiex/wmm.c.

Link: http://lkml.kernel.org/r/1481573103-11329-2-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:46 -08:00
Tomohiro Kusumi
8848808094 autofs: update ioctl documentation regarding struct autofs_dev_ioctl
This is the same as bf72eda5 except that it's a different file.  Sync
documentation with changes made by 730c9eec in 2009.

Link: http://lkml.kernel.org/r/148577165630.9801.6081791213151121657.stgit@pluto.themaw.net
Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com>
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:45 -08:00
Tomohiro Kusumi
c5dd2ea064 autofs: fix wrong ioctl documentation regarding devid
This is the same as d8732841 except that it's a different file.  A
caller has no devid input, and devid is obtained via superblock.

Link: http://lkml.kernel.org/r/148577165119.9801.16967562019122274820.stgit@pluto.themaw.net
Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com>
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:45 -08:00
Tomohiro Kusumi
d0846dd5af autofs: fix typo in Documentation
Link: http://lkml.kernel.org/r/148577164606.9801.12571810310561599401.stgit@pluto.themaw.net
Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com>
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:45 -08:00
Linus Torvalds
79b17ea740 This release has no new tracing features, just clean ups, minor fixes
and small optimizations.
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Merge tag 'trace-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:
 "This release has no new tracing features, just clean ups, minor fixes
  and small optimizations"

* tag 'trace-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (25 commits)
  tracing: Remove outdated ring buffer comment
  tracing/probes: Fix a warning message to show correct maximum length
  tracing: Fix return value check in trace_benchmark_reg()
  tracing: Use modern function declaration
  jump_label: Reduce the size of struct static_key
  tracing/probe: Show subsystem name in messages
  tracing/hwlat: Update old comment about migration
  timers: Make flags output in the timer_start tracepoint useful
  tracing: Have traceprobe_probes_write() not access userspace unnecessarily
  tracing: Have COMM event filter key be treated as a string
  ftrace: Have set_graph_function handle multiple functions in one write
  ftrace: Do not hold references of ftrace_graph_{notrace_}hash out of graph_lock
  tracing: Reset parser->buffer to allow multiple "puts"
  ftrace: Have set_graph_functions handle write with RDWR
  ftrace: Reset fgd->hash in ftrace_graph_write()
  ftrace: Replace (void *)1 with a meaningful macro name FTRACE_GRAPH_EMPTY
  ftrace: Create a slight optimization on searching the ftrace_hash
  tracing: Add ftrace_hash_key() helper function
  ftrace: Convert graph filter to use hash tables
  ftrace: Expose ftrace_hash_empty and ftrace_lookup_ip
  ...
2017-02-27 13:26:17 -08:00
Linus Torvalds
e5d56efc97 Watchdog updates for v4.11
Key changes:
 
 - New drivers:
   Cortina Gemini
   ZTE's zx2967 family
   NIC7018
 - Convert to use device managed functions:
   ebc-c384_wdt, tegra_wdt, da9063_wdt, da9062_wdt, da9055_wdt, da9052_wdt,
   bcm2835_wdt, mena21_wdt, wm831x_wdt, digicolor_wdt, intel-mid_wdt,
   meson_wdt, sunxi_wdt, aspeed_wdt, coh901327_wdt, iTCO_wdt
 - Use watchdog core to install restart handler:
   tangox, dw_wdt, bcm2835_wdt, asm9260_wdt, bcm47xx_wdt
 - Convert ts72xx_wdt driver to watchdog core
 - Let core handle heartbeat in ep93xx_wdt driver
 - Enable COMPILE_TEST where possible
 - Various other improvements
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Merge tag 'watchdog-for-linus-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull watchdog updates from Guenter Roeck:
 "Wim asked me to handle the watchdog pull request this time around.

  Key changes:

   - New drivers: Cortina Gemini, ZTE's zx2967 family, NIC7018

   - Convert to use device managed functions: ebc-c384_wdt, tegra_wdt,
     da9063_wdt, da9062_wdt, da9055_wdt, da9052_wdt, bcm2835_wdt,
     mena21_wdt, wm831x_wdt, digicolor_wdt, intel-mid_wdt, meson_wdt,
     sunxi_wdt, aspeed_wdt, coh901327_wdt, iTCO_wdt

   - Use watchdog core to install restart handler: tangox, dw_wdt,
     bcm2835_wdt, asm9260_wdt, bcm47xx_wdt

   - Convert ts72xx_wdt driver to watchdog core

   - Let core handle heartbeat in ep93xx_wdt driver

   - Enable COMPILE_TEST where possible

   - Various other improvements"

* tag 'watchdog-for-linus-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (54 commits)
  watchdog: s3c2410: Add prefix to local function
  watchdog: s3c2410: Select MFD_SYSCON on all Exynos platforms
  watchdog: s3c2410: Use dev_dbg instead of pr_info
  watchdog: s3c2410: Fix infinite interrupt in soft mode
  watchdog: s3c2410: Remove confusing CONFIG prefix from local defines
  watchdog: softdog: make pretimeout support a compile option
  watchdog: zx2967: add watchdog controller driver for ZTE's zx2967 family
  dt: bindings: add documentation for zx2967 family watchdog controller
  watchdog: sama5d4: Implement resume hook
  watchdog: sama5d4: Cache MR instead of a partial config
  watchdog: ts72xx_wdt: convert driver to watchdog core
  watchdog: ep93xx_wdt: cleanup and let the core handle the heartbeat
  watchdog: RDC321X_WDT always depends on PCI
  watchdog: add driver for Cortina Gemini watchdog
  watchdog: add DT bindings for Cortina Gemini
  watchdog: constify watchdog_ops structures
  watchdog: Introduce watchdog_stop_on_unregister helper
  watchdog: ebc-c384_wdt: Utilize devm_ functions in driver probe callback
  watchdog: tegra_wdt: Convert to use device managed functions
  watchdog: da9063_wdt: Convert to use device managed functions
  ...
2017-02-26 13:19:17 -08:00
Linus Torvalds
c4f3f22edd linux-kselftest-4.11-rc1
This update consists of:
 
 -- fixes to several existing tests from Stafford Horne
 -- cpufreq tests from Viresh Kumar
 -- Selftest build and install fixes from Bamvor Jian Zhang
    and Michael Ellerman
 -- Fixes to protection-keys tests from Dave Hansen
 -- Warning fixes from Shuah Khan
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Merge tag 'linux-kselftest-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest update from Shuah Khan:
 "This update consists of:

   - fixes to several existing tests from Stafford Horne

   - cpufreq tests from Viresh Kumar

   - Selftest build and install fixes from Bamvor Jian Zhang and Michael
     Ellerman

   - Fixes to protection-keys tests from Dave Hansen

   - Warning fixes from Shuah Khan"

* tag 'linux-kselftest-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (28 commits)
  selftests/powerpc: Fix remaining fallout from recent changes
  selftests/powerpc: Fix the clean rule since recent changes
  selftests: Fix the .S and .S -> .o rules
  selftests: Fix the .c linking rule
  selftests: Fix selftests build to just build, not run tests
  selftests, x86, protection_keys: fix wrong offset in siginfo
  selftests, x86, protection_keys: fix uninitialized variable warning
  selftest: cpufreq: Update MAINTAINERS file
  selftest: cpufreq: Add special tests
  selftest: cpufreq: Add support to test cpufreq modules
  selftest: cpufreq: Add suspend/resume/hibernate support
  selftest: cpufreq: Add support for cpufreq tests
  selftests: Add intel_pstate to TARGETS
  selftests/intel_pstate: Update makefile to match new style
  selftests/intel_pstate: Fix warning on loop index overflow
  cpupower: Restore format of frequency-info limit
  selftests/futex: Add headers to makefile dependencies
  selftests/futex: Add stdio used for logging
  selftests: x86 protection_keys remove dead code
  selftests: x86 protection_keys fix unused variable compile warnings
  ...
2017-02-25 15:32:53 -08:00
Linus Torvalds
5d8a00eee2 The usual collection of new drivers, non-critical fixes, and updates
to existing clk drivers. The bulk of the work is on Allwinner and
 Rockchip SoCs, but there's also an Intel Atom driver in here too.
 
 New Drivers:
  - Tegra BPMP firmware
  - Hisilicon hi3660 SoCs
  - Rockchip rk3328 SoCs
  - Intel Atom PMC
  - STM32F746
  - IDT VersaClock 5P49V5923 and 5P49V5933
  - Marvell mv98dx3236 SoCs
  - Allwinner V3s SoCs
 
 Removed Drivers:
  - Samsung Exynos4415 SoCs
 
 Updates:
  - Migrate ABx500 to OF
  - Qualcomm IPQ4019 CPU clks and general PLL support
  - Qualcomm MSM8974 RPM
  - Rockchip non-critical fixes and clk id additions
  - Samsung Exynos4412 CPUs
  - Socionext UniPhier NAND and eMMC support
  - ZTE zx296718 i2s and other audio clks
  - Renesas CAN and MSIOF clks for R-Car M3-W
  - Renesas resets for R-Car Gen2 and Gen3 and RZ/G1
  - TI CDCE913, CDCE937, and CDCE949 clk generators
  - Marvell Armada ap806 CPU frequencies
  - STM32F4* I2S/SAI support
  - Broadcom BCM2835 DSI support
  - Allwinner sun5i and A80 conversion to new style clk bindings
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "The usual collection of new drivers, non-critical fixes, and updates
  to existing clk drivers. The bulk of the work is on Allwinner and
  Rockchip SoCs, but there's also an Intel Atom driver in here too.

  New Drivers:
   - Tegra BPMP firmware
   - Hisilicon hi3660 SoCs
   - Rockchip rk3328 SoCs
   - Intel Atom PMC
   - STM32F746
   - IDT VersaClock 5P49V5923 and 5P49V5933
   - Marvell mv98dx3236 SoCs
   - Allwinner V3s SoCs

  Removed Drivers:
   - Samsung Exynos4415 SoCs

  Updates:
   - Migrate ABx500 to OF
   - Qualcomm IPQ4019 CPU clks and general PLL support
   - Qualcomm MSM8974 RPM
   - Rockchip non-critical fixes and clk id additions
   - Samsung Exynos4412 CPUs
   - Socionext UniPhier NAND and eMMC support
   - ZTE zx296718 i2s and other audio clks
   - Renesas CAN and MSIOF clks for R-Car M3-W
   - Renesas resets for R-Car Gen2 and Gen3 and RZ/G1
   - TI CDCE913, CDCE937, and CDCE949 clk generators
   - Marvell Armada ap806 CPU frequencies
   - STM32F4* I2S/SAI support
   - Broadcom BCM2835 DSI support
   - Allwinner sun5i and A80 conversion to new style clk bindings"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (130 commits)
  clk: renesas: mstp: ensure register writes complete
  clk: qcom: Do not drop device node twice
  clk: mvebu: adjust clock handling for the CP110 system controller
  clk: mvebu: Expand mv98dx3236-core-clock support
  clk: zte: add i2s clocks for zx296718
  clk: sunxi-ng: sun9i-a80: Fix wrong pointer passed to PTR_ERR()
  clk: sunxi-ng: select SUNXI_CCU_MULT for sun5i
  clk: sunxi-ng: Check kzalloc() for errors and cleanup error path
  clk: tegra: Add BPMP clock driver
  clk: uniphier: add eMMC clock for LD11 and LD20 SoCs
  clk: uniphier: add NAND clock for all UniPhier SoCs
  ARM: dts: sun9i: Switch to new clock bindings
  clk: sunxi-ng: Add A80 Display Engine CCU
  clk: sunxi-ng: Add A80 USB CCU
  clk: sunxi-ng: Add A80 CCU
  clk: sunxi-ng: Support separately grouped PLL lock status register
  clk: sunxi-ng: mux: Get closest parent rate possible with CLK_SET_RATE_PARENT
  clk: sunxi-ng: mux: honor CLK_SET_RATE_NO_REPARENT flag
  clk: sunxi-ng: mux: Fix determine_rate for mux clocks with pre-dividers
  clk: qcom: SDHCI enablement on Nexus 5X / 6P
  ...
2017-02-25 14:28:06 -08:00
Linus Torvalds
7067739df2 Merge branch 'i2c/for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "I2C has for you two new drivers (Tegra BPMP and STM32F4), interrupt
  support for pca954x muxes, and a bunch of driver bugfixes and
  improvements. Nothing really special this cycle.

  A few commits have been added to my tree just recently. Those are the
  Tegra BPMP driver and a few straightforward bugfixes or cleanups which
  I prefer to have upstream rather soonish. The rest had proper
  linux-next exposure"

* 'i2c/for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (25 commits)
  i2c: thunderx: Replace pci_enable_msix()
  i2c: exynos5: fix arbitration lost handling
  i2c: exynos5: disable fifo-almost-empty irq signal when necessary
  i2c: at91: ensure state is restored after suspending
  i2c: bcm2835: Avoid possible NULL ptr dereference
  i2c: Add Tegra BPMP I2C proxy driver
  dt-bindings: Add Tegra186 BPMP I2C binding
  misc: eeprom: at24: use device_property_*() functions instead of of_get_property()
  i2c: mux: pca954x: Add interrupt controller support
  dt: bindings: i2c-mux-pca954x: Add documentation for interrupt controller
  i2c: mux: pca954x: Add missing pca9542 definition to chip_desc
  i2c: riic: correctly finish transfers
  i2c: i801: Add support for Intel Gemini Lake
  i2c: mux: pca9541: Export OF device ID table as module aliases
  i2c: mux: pca954x: Export OF device ID table as module aliases
  i2c: mux: mlxcpld: remove unused including <linux/version.h>
  i2c: busses: constify i2c_algorithm structures
  i2c: i2c-mux-gpio: rename i2c-gpio-mux to i2c-mux-gpio
  i2c: sh_mobile: document support for r8a7796 (R-Car M3-W)
  i2c: i2c-cros-ec-tunnel: Reduce logging noise
  ...
2017-02-25 14:21:18 -08:00
Linus Torvalds
edccb59429 fbdev changes for v4.11:
- fix for font color when console is switched to another fb driver
 - deferred probing fixes for simplefb driver
 - preparations to add support of an optional GPIO to enable panel
   for ARM CLCD driver
 - some improvements for ssd1307fb driver
 - cleanups for OMAP fbdev LCD drivers
 - misc fixes/cleanups for various fb drivers
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Merge tag 'fbdev-v4.11' of git://github.com/bzolnier/linux

Pull fbdev updates from Bartlomiej Zolnierkiewicz:

 - fix for font color when console is switched to another fb driver

 - deferred probing fixes for simplefb driver

 - preparations to add support of an optional GPIO to enable panel for
   ARM CLCD driver

 - some improvements for ssd1307fb driver

 - cleanups for OMAP fbdev LCD drivers

 - misc fixes/cleanups for various fb drivers

* tag 'fbdev-v4.11' of git://github.com/bzolnier/linux: (30 commits)
  video: fbdev: fsl-diu-fb: fix spelling mistake "palette"
  fbdev: ssd1307fb: include linux/gpio/consumer.h
  video: fbdev: fsl-diu-fb: remove impossible condition
  video: fbdev: amifb: remove impossible condition
  fbdev/ssd1307fb: clear screen in probe
  fbdev/ssd1307fb: add support to enable VBAT
  fbdev: ssd1307fb: Make reset gpio devicetree property optional
  fbdev: ssd1307fb: Remove reset-active-low from the DT binding document
  fbdev: ssd1307fb: Start to use gpiod API for reset gpio
  video: fbdev: sh_mobile_lcdcfb: fix error return code in sh_mobile_lcdc_probe()
  video: fbdev: offb: switch to using for_each_node_by_type
  video/console: use setup_timer and mod_timer instead of init_timer
  fbdev: omap/lcd: Make callbacks optional
  fbdev: omap/lcd: Staticize non-exported lcd_panel structs
  fbdev: omap/lcd: Remove no-op driver callbacks
  video/mbx: use simple_open()
  video: fbdev: stifb: handle NULL return value from ioremap_nocache
  video: fbdev: pmagb-b-fb: Remove bad `__init' annotation
  video: fbdev: pmag-ba-fb: Remove bad `__init' annotation
  video: ARM CLCD: use panel device node for getting backlight and mode
  ...
2017-02-25 13:20:22 -08:00
Joe Perches
6e5c8381d1 treewide: Remove remaining executable attributes from source files
These are the current source files that should not have
executable attributes set.

[ Normally this would be sent through Andrew Morton's tree
  but his quilt tools don't like permission only patches. ]

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-25 12:12:50 -08:00
Linus Torvalds
7b46588f36 Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:

 - almost all of the rest of MM

 - misc bits

 - KASAN updates

 - procfs

 - lib/ updates

 - checkpatch updates

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (124 commits)
  checkpatch: remove false unbalanced braces warning
  checkpatch: notice unbalanced else braces in a patch
  checkpatch: add another old address for the FSF
  checkpatch: update $logFunctions
  checkpatch: warn on logging continuations
  checkpatch: warn on embedded function names
  lib/lz4: remove back-compat wrappers
  fs/pstore: fs/squashfs: change usage of LZ4 to work with new LZ4 version
  crypto: change LZ4 modules to work with new LZ4 module version
  lib/decompress_unlz4: change module to work with new LZ4 module version
  lib: update LZ4 compressor module
  lib/test_sort.c: make it explicitly non-modular
  lib: add CONFIG_TEST_SORT to enable self-test of sort()
  rbtree: use designated initializers
  linux/kernel.h: fix DIV_ROUND_CLOSEST to support negative divisors
  lib/find_bit.c: micro-optimise find_next_*_bit
  lib: add module support to atomic64 tests
  lib: add module support to glob tests
  lib: add module support to crc32 tests
  kernel/ksysfs.c: add __ro_after_init to bin_attribute structure
  ...
2017-02-25 10:29:09 -08:00
zhouxianrong
8e19d540d1 zram: extend zero pages to same element pages
The idea is that without doing more calculations we extend zero pages to
same element pages for zram.  zero page is special case of same element
page with zero element.

1. the test is done under android 7.0
2. startup too many applications circularly
3. sample the zero pages, same pages (none-zero element)
   and total pages in function page_zero_filled

the result is listed as below:

ZERO	SAME	TOTAL
36214	17842	598196

		ZERO/TOTAL	 SAME/TOTAL	  (ZERO+SAME)/TOTAL ZERO/SAME
AVERAGE	0.060631909	 0.024990816  0.085622726		2.663825038
STDEV	0.00674612	 0.005887625  0.009707034		2.115881328
MAX		0.069698422	 0.030046087  0.094975336		7.56043956
MIN		0.03959586	 0.007332205  0.056055193		1.928985507

from the above data, the benefit is about 2.5% and up to 3% of total
swapout pages.

The defect of the patch is that when we recovery a page from non-zero
element the operations are low efficient for partial read.

This patch extends zero_page to same_page so if there is any user to
have monitored zero_pages, he will be surprised if the number is
increased but it's not harmful, I believe.

[minchan@kernel.org: do not free same element pages in zram_meta_free]
  Link: http://lkml.kernel.org/r/20170207065741.GA2567@bbox
Link: http://lkml.kernel.org/r/1483692145-75357-1-git-send-email-zhouxianrong@huawei.com
Link: http://lkml.kernel.org/r/1486307804-27903-1-git-send-email-minchan@kernel.org
Signed-off-by: zhouxianrong <zhouxianrong@huawei.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24 17:46:56 -08:00
David Rientjes
def5efe037 mm, madvise: fail with ENOMEM when splitting vma will hit max_map_count
If madvise(2) advice will result in the underlying vma being split and
the number of areas mapped by the process will exceed
/proc/sys/vm/max_map_count as a result, return ENOMEM instead of EAGAIN.

EAGAIN is returned by madvise(2) when a kernel resource, such as slab,
is temporarily unavailable.  It indicates that userspace should retry
the advice in the near future.  This is important for advice such as
MADV_DONTNEED which is often used by malloc implementations to free
memory back to the system: we really do want to free memory back when
madvise(2) returns EAGAIN because slab allocations (for vmas, anon_vmas,
or mempolicies) cannot be allocated.

Encountering /proc/sys/vm/max_map_count is not a temporary failure,
however, so return ENOMEM to indicate this is a more serious issue.  A
followup patch to the man page will specify this behavior.

Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1701241431120.42507@chino.kir.corp.google.com
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jerome Marchand <jmarchan@redhat.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Michael Kerrisk <mtk.manpages@googlemail.com>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24 17:46:55 -08:00
Mike Rapoport
5a02026d39 userfaultfd: documentation update
Add documentation about new userfaultfd features and events

Link: http://lkml.kernel.org/r/1487716431-5551-1-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24 17:46:55 -08:00
Claudio Imbrenda
e86c59b1b1 mm/ksm: improve deduplication of zero pages with colouring
Some architectures have a set of zero pages (coloured zero pages)
instead of only one zero page, in order to improve the cache
performance.  In those cases, the kernel samepage merger (KSM) would
merge all the allocated pages that happen to be filled with zeroes to
the same deduplicated page, thus losing all the advantages of coloured
zero pages.

This behaviour is noticeable when a process accesses large arrays of
allocated pages containing zeroes.  A test I conducted on s390 shows
that there is a speed penalty when KSM merges such pages, compared to
not merging them or using actual zero pages from the start without
breaking the COW.

This patch fixes this behaviour.  When coloured zero pages are present,
the checksum of a zero page is calculated during initialisation, and
compared with the checksum of the current canditate during merging.  In
case of a match, the normal merging routine is used to merge the page
with the correct coloured zero page, which ensures the candidate page is
checked to be equal to the target zero page.

A sysfs entry is also added to toggle this behaviour, since it can
potentially introduce performance regressions, especially on
architectures without coloured zero pages.  The default value is
disabled, for backwards compatibility.

With this patch, the performance with KSM is the same as with non
COW-broken actual zero pages, which is also the same as without KSM.

[akpm@linux-foundation.org: make zero_checksum and ksm_use_zero_pages __read_mostly, per Andrea]
[imbrenda@linux.vnet.ibm.com: documentation for coloured zero pages deduplication]
  Link: http://lkml.kernel.org/r/1484927522-1964-1-git-send-email-imbrenda@linux.vnet.ibm.com
Link: http://lkml.kernel.org/r/1484850953-23941-1-git-send-email-imbrenda@linux.vnet.ibm.com
Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-24 17:46:53 -08:00
Linus Torvalds
f8e6859ea9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc updates from David Miller:

 1) Support multiple huge page sizes, from Nitin Gupta.

 2) Improve boot time on large memory configurations, from Pavel
    Tatashin.

 3) Make BRK handling more consistent and documented, from Vijay Kumar.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Fix build error in flush_tsb_user_page
  sparc64: memblock resizes are not handled properly
  sparc64: use latency groups to improve add_node_ranges speed
  sparc64: Add 64K page size support
  sparc64: Multi-page size support
  Documentation/sparc: Steps for sending break on sunhv console
  sparc64: Send break twice from console to return to boot prom
  sparc64: Migrate hvcons irq to panicked cpu
  sparc64: Set cpu state to offline when stopped
  sunvdc: Add support for setting physical sector size
  sparc64: fix for user probes in high memory
  sparc: topology_64.h: Fix condition for including cpudata.h
  sparc32: mm: srmmu: add __ro_after_init to sparc32_cachetlb_ops structures
2017-02-24 15:01:17 -08:00
Linus Torvalds
a682e00354 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
Pull md updates from Shaohua Li:
 "Mainly fixes bugs and improves performance:

   - Improve scalability for raid1 from Coly

   - Improve raid5-cache read performance, disk efficiency and IO
     pattern from Song and me

   - Fix a race condition of disk hotplug for linear from Coly

   - A few cleanup patches from Ming and Byungchul

   - Fix a memory leak from Neil

   - Fix WRITE SAME IO failure from me

   - Add doc for raid5-cache from me"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: (23 commits)
  md/raid1: fix write behind issues introduced by bio_clone_bioset_partial
  md/raid1: handle flush request correctly
  md/linear: shutup lockdep warnning
  md/raid1: fix a use-after-free bug
  RAID1: avoid unnecessary spin locks in I/O barrier code
  RAID1: a new I/O barrier implementation to remove resync window
  md/raid5: Don't reinvent the wheel but use existing llist API
  md: fast clone bio in bio_clone_mddev()
  md: remove unnecessary check on mddev
  md/raid1: use bio_clone_bioset_partial() in case of write behind
  md: fail if mddev->bio_set can't be created
  block: introduce bio_clone_bioset_partial()
  md: disable WRITE SAME if it fails in underlayer disks
  md/raid5-cache: exclude reclaiming stripes in reclaim check
  md/raid5-cache: stripe reclaim only counts valid stripes
  MD: add doc for raid5-cache
  Documentation: move MD related doc into a separate dir
  md: ensure md devices are freed before module is unloaded.
  md/r5cache: improve journal device efficiency
  md/r5cache: enable chunk_aligned_read with write back cache
  ...
2017-02-24 14:42:19 -08:00
Krzysztof Kozlowski
0b445549ea watchdog: s3c2410: Fix infinite interrupt in soft mode
In soft (no-reboot) mode, the driver self-pings watchdog upon expiration
of an interrupt.  However the interrupt itself was not cleared thus on
first hit, the system enters infinite interrupt handling loop.

On Odroid U3 (Exynos4412), when booted with s3c2410_wdt.soft_noboot=1
argument the console is flooded:
	# killall -9 watchdog
	[   60.523760] s3c2410-wdt 10060000.watchdog: watchdog timer expired (irq)
	[   60.536744] s3c2410-wdt 10060000.watchdog: watchdog timer expired (irq)

Fix this by writing something to the WTCLRINT register to clear the
interrupt.  The register WTCLRINT however appeared in S3C6410 so a new
watchdog quirk and flavor are needed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-02-24 14:00:23 -08:00
Baoyou Xie
df823c19e5 dt: bindings: add documentation for zx2967 family watchdog controller
This patch adds dt-binding documentation for zx2967 family
watchdog controller.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-02-24 14:00:23 -08:00
Linus Walleij
428a66554a watchdog: add DT bindings for Cortina Gemini
This adds DT bindings for the Cortina systems Gemini SoC
watchdog timer.

Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-02-24 14:00:23 -08:00
Guenter Roeck
bb292ac1c6 watchdog: Introduce watchdog_stop_on_unregister helper
Many watchdog drivers explicitly stop the watchdog when unregistering it.
While it is unclear if this is actually needed (the whatdog should not be
running at that time if it can be stopped), introduce a helper to
explicitly stop the watchdog in the watchdog core when unregistering it.
This helps reducing driver code size while retaining functionality.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-02-24 14:00:23 -08:00
Hui Chun Ong
98078ca34a watchdog: nic7018_wdt: Add NIC7018 watchdog driver
Add support for the watchdog timer on PXI Embedded Controller.

Signed-off-by: Hui Chun Ong <hui.chun.ong@ni.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-02-24 14:00:23 -08:00
Linus Torvalds
ef96152e6a Less anger inducing pull request for 4.11
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Merge tag 'drm-for-v4.11-less-shouty' of git://people.freedesktop.org/~airlied/linux

Pull drm updates from Dave Airlie:
 "This is the main drm pull request for v4.11.

  Nothing too major, the tinydrm and mmu-less support should make
  writing smaller drivers easier for some of the simpler platforms, and
  there are a bunch of documentation updates.

  Intel grew displayport MST audio support which is hopefully useful to
  people, and FBC is on by default for GEN9+ (so people know where to
  look for regressions). AMDGPU has a lot of fixes that would like new
  firmware files installed for some GPUs.

  Other than that it's pretty scattered all over.

  I may have a follow up pull request as I know BenH has a bunch of AST
  rework and fixes and I'd like to get those in once they've been tested
  by AST, and I've got at least one pull request I'm just trying to get
  the author to fix up.

  Core:
   - drm_mm reworked
   - Connector list locking and iterators
   - Documentation updates
   - Format handling rework
   - MMU-less support for fbdev helpers
   - drm_crtc_from_index helper
   - Core CRC API
   - Remove drm_framebuffer_unregister_private
   - Debugfs cleanup
   - EDID/Infoframe fixes
   - Release callback
   - Tinydrm support (smaller drivers for simple hw)

  panel:
   - Add support for some new simple panels

  i915:
   - FBC by default for gen9+
   - Shared dpll cleanups and docs
   - GEN8 powerdomain cleanup
   - DMC support on GLK
   - DP MST audio support
   - HuC loading support
   - GVT init ordering fixes
   - GVT IOMMU workaround fix

  amdgpu/radeon:
   - Power/clockgating improvements
   - Preliminary SR-IOV support
   - TTM buffer priority and eviction fixes
   - SI DPM quirks removed due to firmware fixes
   - Powerplay improvements
   - VCE/UVD powergating fixes
   - Cleanup SI GFX code to match CI/VI
   - Support for > 2 displays on 3/5 crtc asics
   - SI headless fixes

  nouveau:
   - Rework securre boot code in prep for GP10x secure boot
   - Channel recovery improvements
   - Initial power budget code
   - MMU rework preperation

  vmwgfx:
   - Bunch of fixes and cleanups

  exynos:
   - Runtime PM support for MIC driver
   - Cleanups to use atomic helpers
   - UHD Support for TM2/TM2E boards
   - Trigger mode fix for Rinato board

  etnaviv:
   - Shader performance fix
   - Command stream validator fixes
   - Command buffer suballocator

  rockchip:
   - CDN DisplayPort support
   - IOMMU support for arm64 platform

  imx-drm:
   - Fix i.MX5 TV encoder probing
   - Remove lower fb size limits

  msm:
   - Support for HW cursor on MDP5 devices
   - DSI encoder cleanup
   - GPU DT bindings cleanup

  sti:
   - stih410 cleanups
   - Create fbdev at binding
   - HQVDP fixes
   - Remove stih416 chip functionality
   - DVI/HDMI mode selection fixes
   - FPS statistic reporting

  omapdrm:
   - IRQ code cleanup

  dwi-hdmi bridge:
   - Cleanups and fixes

  adv-bridge:
   - Updates for nexus

  sii8520 bridge:
   - Add interlace mode support
   - Rework HDMI and lots of fixes

  qxl:
   - probing/teardown cleanups

  ZTE drm:
   - HDMI audio via SPDIF interface
   - Video Layer overlay plane support
   - Add TV encoder output device

  atmel-hlcdc:
   - Rework fbdev creation logic

  tegra:
   - OF node fix

  fsl-dcu:
   - Minor fixes

  mali-dp:
   - Assorted fixes

  sunxi:
   - Minor fix"

[ This was the "fixed" pull, that still had build warnings due to people
  not even having build tested the result. I'm not a happy camper

  I've fixed the things I noticed up in this merge.      - Linus ]

* tag 'drm-for-v4.11-less-shouty' of git://people.freedesktop.org/~airlied/linux: (1177 commits)
  lib/Kconfig: make PRIME_NUMBERS not user selectable
  drm/tinydrm: helpers: Properly fix backlight dependency
  drm/tinydrm: mipi-dbi: Fix field width specifier warning
  drm/tinydrm: mipi-dbi: Silence: ‘cmd’ may be used uninitialized
  drm/sti: fix build warnings in sti_drv.c and sti_vtg.c files
  drm/amd/powerplay: fix PSI feature on Polars12
  drm/amdgpu: refuse to reserve io mem for split VRAM buffers
  drm/ttm: fix use-after-free races in vm fault handling
  drm/tinydrm: Add support for Multi-Inno MI0283QT display
  dt-bindings: Add Multi-Inno MI0283QT binding
  dt-bindings: display/panel: Add common rotation property
  of: Add vendor prefix for Multi-Inno
  drm/tinydrm: Add MIPI DBI support
  drm/tinydrm: Add helper functions
  drm: Add DRM support for tiny LCD displays
  drm/amd/amdgpu: post card if there is real hw resetting performed
  drm/nouveau/tmr: provide backtrace when a timeout is hit
  drm/nouveau/pci/g92: Fix rearm
  drm/nouveau/drm/therm/fan: add a fallback if no fan control is specified in the vbios
  drm/nouveau/hwmon: expose power_max and power_crit
  ..
2017-02-23 18:58:18 -08:00
Linus Torvalds
b2e3c4319d ARM: SoC driver updates
Driver updates for ARM SoCs.
 
 A handful of driver changes this time around. The larger changes are:
 
  - Reset drivers for hi3660 and zx2967
  - AHCI driver for Davinci, acked by Tejun and brought in here due to
    platform dependencies
  - Cleanups of atmel-ebi (External Bus Interface)
  - Tweaks for Rockchip GRF (General Register File) usage (kitchensink misc
    register range on the SoCs)
  - PM domains changes for support of two new ZTE SoCs (zx296718 and zx2967)
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Driver updates for ARM SoCs.

  A handful of driver changes this time around. The larger changes are:

   - Reset drivers for hi3660 and zx2967

   - AHCI driver for Davinci, acked by Tejun and brought in here due to
     platform dependencies

   - Cleanups of atmel-ebi (External Bus Interface)

   - Tweaks for Rockchip GRF (General Register File) usage (kitchensink
     misc register range on the SoCs)

   - PM domains changes for support of two new ZTE SoCs (zx296718 and
     zx2967)"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
  soc: samsung: pmu: Add register defines for pad retention control
  reset: make zx2967 explicitly non-modular
  reset: core: fix reset_control_put
  soc: samsung: pm_domains: Read domain name from the new label property
  soc: samsung: pm_domains: Remove message about failed memory allocation
  soc: samsung: pm_domains: Remove unused name field
  soc: samsung: pm_domains: Use full names in subdomains registration log
  sata: ahci-da850: un-hardcode the MPY bits
  sata: ahci-da850: add a workaround for controller instability
  sata: ahci: export ahci_do_hardreset() locally
  sata: ahci-da850: implement a workaround for the softreset quirk
  sata: ahci-da850: add device tree match table
  sata: ahci-da850: get the sata clock using a connection id
  soc: samsung: pmu: Remove duplicated define for ARM_L2_OPTION register
  memory: atmel-ebi: Enable the SMC clock if specified
  soc: samsung: pmu: Remove unused and duplicated defines
  memory: atmel-ebi: Properly handle multiple reference to the same CS
  memory: atmel-ebi: Fix the test to enable generic SMC logic
  soc: samsung: pm_domains: Add new Exynos5433 compatible
  soc: samsung: pmu: Add dummy support for Exynos5433 SoC
  ...
2017-02-23 15:57:04 -08:00
Linus Torvalds
c61c15e08a ARM: 64-bit DT updates for v4.11
ARM64 DT updates are fairly small this time, only two new SoCs and a handful
 of new machines get added, all of them similar to other hardware we already
 support.
 
 New SoC:
   - HiSilicon Kirin960/Hi3660 and HiKey960 development board
   - NXP LS1012a with three reference boards
     http://www.nxp.com/products/microcontrollers-and-processors/arm-processors/qoriq-layerscape-arm-processors/qoriq-layerscape-1012a-low-power-communication-processor:LS1012A
 
 New development board:
   - Banana Pi M64, based on Allwinner A64
     http://www.banana-pi.org/m64.html
   - SolidRun MACCHIATOBin based on Marvell Armada 8K
     https://www.solid-run.com/marvell-armada-family/armada-8040-community-board/
   - Broadcom BCM958712DxXMC NorthStar2 reference board (another one)
 
 A lot of platforms improve support for existing machines by adding
 extra devices for which a binding and driver is availabe:
 
 Allwinner: MMC, USB
 ARM Juno: Coresight, STM
 Broadcom: NS2 GICv2m irqchip and PCIe
 Marvell: Armada 3700 SPI, I2C, ethernet switch
 Mediatek: MT8173 thermal
 NXP i.MX: LS1046A thermal
 Qualcomm: coresight on MSM8916, HDMI, WCNSS, SCM
 Renesas: r8a779[56] thermal, powerdomain, ethernet, sound, pwm, can, can fd
 Rockchip: thermal, eDP, pinctrl enhancements
 Samsung: TM2 touchkey, Exynos5433 HDMI and power management improvements
 UniPhier: SD reset, eMMC controller
 ZTE: oppv2 cpufreq
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Merge tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM 64-bit DT updates from Arnd Bergmann:
 "ARM64 DT updates are fairly small this time, only two new SoCs and a
  handful of new machines get added, all of them similar to other
  hardware we already support.

  New SoC:

   - HiSilicon Kirin960/Hi3660 and HiKey960 development board

   - NXP LS1012a with three reference boards:
        http://www.nxp.com/products/microcontrollers-and-processors/arm-processors/qoriq-layerscape-arm-processors/qoriq-layerscape-1012a-low-power-communication-processor:LS1012A

  New development board:

   - Banana Pi M64, based on Allwinner A64:
        http://www.banana-pi.org/m64.html

   - SolidRun MACCHIATOBin based on Marvell Armada 8K:
        https://www.solid-run.com/marvell-armada-family/armada-8040-community-board/

   - Broadcom BCM958712DxXMC NorthStar2 reference board (another one)

  A lot of platforms improve support for existing machines by adding
  extra devices for which a binding and driver is availabe:

  Allwinner:
   - MMC, USB

  ARM Juno:
   - Coresight, STM

  Broadcom:
   - NS2 GICv2m irqchip and PCIe

  Marvell:
   - Armada 3700 SPI, I2C, ethernet switch

  Mediatek:
   - MT8173 thermal

  NXP i.MX:
   - LS1046A thermal

  Qualcomm:
   - coresight on MSM8916, HDMI, WCNSS, SCM

  Renesas:
   - r8a779[56] thermal, powerdomain, ethernet, sound, pwm, can, can fd

  Rockchip:
   - thermal, eDP, pinctrl enhancements

  Samsung:
   - TM2 touchkey, Exynos5433 HDMI and power management improvements

  UniPhier:
   - SD reset, eMMC controller

  ZTE:
   - oppv2 cpufreq"

* tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (110 commits)
  arm64: dts: qcom: Add msm8916 CoreSight components
  arm64: dts: marvell: adjust name of sd-mmc-gop clock in syscon
  arm64: allwinner: add BananaPi-M64 support
  arm64: allwinner: a64: add UART1 pin nodes
  arm64: allwinner: pine64: add MMC support
  arm64: allwinner: a64: Increase the MMC max frequency
  arm64: allwinner: a64: Add MMC pinctrl nodes
  arm64: allwinner: a64: Add MMC nodes
  dt-bindings: clockgen: Add compatible string for LS1012A
  Documentation: DT: add LS1012A compatible for SCFG and DCFG
  Documentation: DT: Add entry for FSL LS1012A RDB, FRDM, QDS boards
  arm64: dts: marvell: add generic-ahci compatibles for CP110 ahci
  arm64: tegra: Use symbolic reset identifiers
  arm64: dts: r8a7796: Mark EthernetAVB device node disabled
  arm64: dts: r8a7795: Mark EthernetAVB device node disabled
  arm64: dts: r8a7795: tidyup audma definition order
  arm64: dts: r8a7796: Link ARM GIC to clock and clock domain
  arm64: dts: r8a7795: Link ARM GIC to clock and clock domain
  arm64: dts: r8a7796: Add R-Car Gen3 thermal support
  arm64: dts: r8a7795: Add R-Car Gen3 thermal support
  ...
2017-02-23 15:52:14 -08:00
Linus Torvalds
195849ea13 ARM: DT updates for v4.11
A total of 380 patches this time, mostly adding support for more hardware
 in the device tree descriptions. There is not much exciting here for 4.11,
 but I've tried my best to condense the information from the pull requests
 I got into a readable summary.
 
 Noteworthy changes to existing platforms include:
   - The GIC memory map was a bit wrong almost everywhere and now
     gets fixed up
   - The Allwinner platforms convert to the generic pinmux properties
   - The Marvell EBU platforms now use the new DSA binding
   - Samsung Exynos4212 was unused and gets removed
   - The Renesas power management got improved
 
 New production machines:
   - Lego Mindstorms EV3
     https://www.lego.com/en-us/mindstorms/about-ev3
   - Beelink X2 Android media box
     http://linux-sunxi.org/Beelink_X2
   - "Romulus" baseboard management controller for OpenPower
   - Axentia TSE-850 Data Radio Channel (DARC) encoder
     http://www.axentia.se/db/equipment.html
   - Luxul XAP-1410 and XWR-1200 wireless access points
     https://luxul.com/xap-1410
 
 New SoCs:
   - Allwinner H2+ and V3s, both minor variations of already
     supported chips
     http://www.allwinnertech.com/index.php?c=product&a=index&id=38
   - Marvell Prestera DX packet processors based on Armada XP architecture
     http://www.marvell.com/switching/prestera-dx/
   - Samsung Exynos4412 Prime gets added, a minor variation of Exynos4412
 
 New developer and reference boards:
   - Lichee Pi One, Lichee Pi Zero and Orange Pi Zero,
     all based on Allwinner SoCs
     http://linux-sunxi.org/LicheePi_One
     http://www.orangepi.org/orangepizero/
   - SAMA5d36ek Reference platform
     http://www.atmel.com/tools/sama5d36-ek.aspx
   - Beaglebone Green Wireless and Black Wireless
     https://beagleboard.org/black-wireless
     https://beagleboard.org/green-wireless
   - phyCORE-AM335x System on Module
     http://phytec.com/products/system-on-modules/phycore/am335x/
   - New revision of "vf610-zii" Zodiac Inflight Innovations board
   - Various i.MX System-on-Module: Is.IoT MX6UL, SavageBoard, Engicam i.Core
     http://www.opossom.com/english/index.html
     http://www.savageboard.org/
     http://www.engicam.com/en/products/embedded/som/sodimm/is-iot-mx6ul
     http://www.engicam.com/en/products/embedded/som/sodimm/i-core-m6s-dl-d-q
   - Liebherr (LWN) monitor 6 based on i.MX6 Quad, no idea what this is
 
 Cleanups and bugfixes on at91, bcm53xx, i.MX, mvebu, omap, oxnas, qcom,
     rockchip, sti, stm32 and tegra
 
 New device supports added to some boards and SoCs, briefly by platform:
   - Allwinner: SPDIF, A33 cpufreq, A33 Mali GPU
   - Aspeed: network, ipmi bt, gpio, pinmux
   - Broadcom: video encoder for raspberry pi, qspi, ethernet, sd/mmc
   - TI DaVinci: gpio, lcdc, usb, video-in, uart
   - TI Keystone 2: MSM RAM, power/reset, uart
   - Mediatek MT2701: clocks, iommu, spi, nand, adc, thermal
   - Marvell EBU: ethernet switch on Turris Omnia
   - NXP i.MX: otp ram, USB, wifi, bluetooth, spdif, spi, pmic,
     eeprom, mmc, nand
   - TI OMAP:
   - Qualcomm: coresight, gyro/accelerometer, hdmi
   - Renesas: pmic, soc-id
   - Rockchip: qos
   - Samsung: audio on Odroid-X
   - Socfpga: FPGA manager, i2c, led, can, watchdog, nand, power monitor
   - STi: video in/out
   - STM32: timer, pwm, i2c, rtc, add, i2s
   - NVIDIA Tegra: tpm
   - Uniphier: mmc/sd pinmux
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM DT updates from Arnd Bergmann:
 "A total of 380 patches this time, mostly adding support for more
  hardware in the device tree descriptions. There is not much exciting
  here for 4.11, but I've tried my best to condense the information from
  the pull requests I got into a readable summary.

  Noteworthy changes to existing platforms include:

   - The GIC memory map was a bit wrong almost everywhere and now gets
     fixed up

   - The Allwinner platforms convert to the generic pinmux properties

   - The Marvell EBU platforms now use the new DSA binding

   - Samsung Exynos4212 was unused and gets removed

   - The Renesas power management got improved

  New production machines:

   - Lego Mindstorms EV3:
        https://www.lego.com/en-us/mindstorms/about-ev3

   - Beelink X2 Android media box:
        http://linux-sunxi.org/Beelink_X2

   - "Romulus" baseboard management controller for OpenPower

   - Axentia TSE-850 Data Radio Channel (DARC) encoder:
        http://www.axentia.se/db/equipment.html

   - Luxul XAP-1410 and XWR-1200 wireless access points:
        https://luxul.com/xap-1410

  New SoCs:

   - Allwinner H2+ and V3s, both minor variations of already supported
     chips:
        http://www.allwinnertech.com/index.php?c=product&a=index&id=38

   - Marvell Prestera DX packet processors based on Armada XP
     architecture:
        http://www.marvell.com/switching/prestera-dx/

   - Samsung Exynos4412 Prime gets added, a minor variation of
     Exynos4412

  New developer and reference boards:

   - Lichee Pi One, Lichee Pi Zero and Orange Pi Zero, all based on
     Allwinner SoCs:
        http://linux-sunxi.org/LicheePi_One
        http://www.orangepi.org/orangepizero/

   - SAMA5d36ek Reference platform:
        http://www.atmel.com/tools/sama5d36-ek.aspx

   - Beaglebone Green Wireless and Black Wireless:
        https://beagleboard.org/black-wireless
        https://beagleboard.org/green-wireless

   - phyCORE-AM335x System on Module:
        http://phytec.com/products/system-on-modules/phycore/am335x/

   - New revision of "vf610-zii" Zodiac Inflight Innovations board

   - Various i.MX System-on-Module: Is.IoT MX6UL, SavageBoard, Engicam
     i.Core:
        http://www.opossom.com/english/index.html
        http://www.savageboard.org/
        http://www.engicam.com/en/products/embedded/som/sodimm/is-iot-mx6ul
        http://www.engicam.com/en/products/embedded/som/sodimm/i-core-m6s-dl-d-q

   - Liebherr (LWN) monitor 6 based on i.MX6 Quad, no idea what this is

   - Cleanups and bugfixes on at91, bcm53xx, i.MX, mvebu, omap, oxnas,
     qcom, rockchip, sti, stm32 and tegra

  New device supports added to some boards and SoCs, briefly by platform:

   - Allwinner: SPDIF, A33 cpufreq, A33 Mali GPU

   - Aspeed: network, ipmi bt, gpio, pinmux

   - Broadcom: video encoder for raspberry pi, qspi, ethernet, sd/mmc

   - TI DaVinci: gpio, lcdc, usb, video-in, uart

   - TI Keystone 2: MSM RAM, power/reset, uart

   - Mediatek MT2701: clocks, iommu, spi, nand, adc, thermal

   - Marvell EBU: ethernet switch on Turris Omnia

   - NXP i.MX: otp ram, USB, wifi, bluetooth, spdif, spi, pmic, eeprom,
     mmc, nand

   - TI OMAP:

   - Qualcomm: coresight, gyro/accelerometer, hdmi

   - Renesas: pmic, soc-id

   - Rockchip: qos

   - Samsung: audio on Odroid-X

   - Socfpga: FPGA manager, i2c, led, can, watchdog, nand, power monitor

   - STi: video in/out

   - STM32: timer, pwm, i2c, rtc, add, i2s

   - NVIDIA Tegra: tpm

   - Uniphier: mmc/sd pinmux"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (380 commits)
  ARM: dts: armada-385-linksys: fix DSA compatible property
  ARM: dts: Fix typo in armada-xp-98dx4251
  ARM: DTS: Fix register map for virt-capable GIC
  dt-bindings: arm,gic: Fix binding example for a virt-capable GIC
  ARM: dts: sun8i: sinlinx: Enable audio nodes
  ARM: dts: sun8i: parrot: Enable audio nodes
  ARM: dts: sun8i: Add audio codec, dai and card for A33
  ARM: dts: Add EMAC AXI settings for Arria10
  ARM: dts: am335x-chiliboard: Support charger
  ARM: dts: am335x-chiliboard: Support power button
  ARM: sun8i: dt: Add mali node
  dt-bindings: gpu: Add Mali Utgard bindings
  ARM: dts: stm32: Add I2C1 support for STM32429 eval board
  ARM: dts: stm32: Add I2C1 support for STM32F429 SoC
  ARM: dts: stm32: Use clock DT binding definition on stm32f429 family
  dt-bindings: mfd: stm32f4: Add missing binding definition
  dt-bindings: mfd: stm32f4: Fix STM32F4_X_CLOCK() macro
  ARM: dts: stm32: Enable pwm1 and pwm3 for stm32f469-disco
  ARM: dts: stm32: add Timers driver for stm32f429 MCU
  ARM: dts: add the AB8500 sysclk to the device trees
  ...
2017-02-23 15:46:25 -08:00
Linus Torvalds
6ae52c65e0 ARM: SoC platform updates
In the SoC branch we normally collect classic arch/arm/mach-* contents, i.e.
 C code changes for SoC platforms. This release cycle the diffstat is quite
 nice, in that we're removing 3x the amount of code that's being added.
 
 The main reason for this is that there's a removal of camera drivers for
 Freescale i.MX chips (driver was removed so the device registration isn't
 needed any more). There's also removal of display initialization code for OMAP
 that is no longer needed.
 
 The rest are mostly minor tweaks and cleanups; constification on Samsung
 platforms, cleanup of ux500 platform data, purge of other unused platform
 data/device seutp on i.MX and other good stuff.
 
 New SoC support this cycle is for two Allwinner platforms, H2+ and V3s.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "In the SoC branch we normally collect classic arch/arm/mach-*
  contents, i.e. C code changes for SoC platforms. This release cycle
  the diffstat is quite nice, in that we're removing 3x the amount of
  code that's being added.

  The main reason for this is that there's a removal of camera drivers
  for Freescale i.MX chips (driver was removed so the device
  registration isn't needed any more). There's also removal of display
  initialization code for OMAP that is no longer needed.

  The rest are mostly minor tweaks and cleanups; constification on
  Samsung platforms, cleanup of ux500 platform data, purge of other
  unused platform data/device seutp on i.MX and other good stuff.

  New SoC support this cycle is for two Allwinner platforms, H2+ and
  V3s"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (55 commits)
  ARM: ux500: remove deleted file from Makefile
  ARM: ep93xx: Disable TS-72xx watchdog before uncompressing
  ARM: ux500: cut some platform data
  MAINTAINERS: Update for the current location of the bcm2835 tree.
  ARM: davinci: remove BUG_ON() from da850_register_sata()
  ARM: davinci: da850: model the SATA refclk
  ARM: davinci: da850: add con_id for the SATA clock
  ARM: davinci: da8xx-dt: add OF_DEV_AUXDATA entry for SATA
  arm: mvebu: support for SMP on 98DX3336 SoC
  dt-bindings: video: exynos7-decon: Remove obsolete samsung,power-domain property
  soc: dove: constify reset_control_ops structures
  ARM: mv78xx0: fix possible PCI buffer overflow
  MAINTAINERS: transfer maintainership for the EZX platform
  ARM: shmobile: rcar-gen2: Add more register documentation
  ARM: tegra: paz00: Fix __initdata placement
  ARM: OMAP: clock: Remove unused mpurate cmdline option
  ARM: davinci: add skeleton for pdata-quirks
  arm: sunxi: add support for V3s SoC
  ARM: OMAP2+: omap_hwmod: Add support for earlycon
  arm: hisi: drop extern hip01_cpu_die
  ...
2017-02-23 15:33:54 -08:00
Dave Airlie
894ebc414d drm/panel: Changes for v4.11-rc1
This set contains a couple of cleanups as well as support for a few more
 simple panels.
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Merge tag 'drm/panel/for-4.11-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next

drm/panel: Changes for v4.11-rc1

This set contains a couple of cleanups as well as support for a few more
simple panels.

* tag 'drm/panel/for-4.11-rc1' of git://anongit.freedesktop.org/tegra/linux:
  drm/panel: simple: Specify bus width and flags for EDT displays
  drm/panel: simple: Add Netron DY E231732
  of: Add vendor prefix for Netron DY
  drm/panel: simple: Add support for Tianma TM070JDHG30
  of: Add vendor prefix for Tianma Micro-electronics
  drm/panel: simple: Add support BOE NV101WXMN51
  dt-bindings: display: Add BOE NV101WXMN51 panel binding
  drm/panel: Constify device node argument to of_drm_find_panel()
2017-02-24 08:29:03 +10:00
Viresh Kumar
d08d1b27fe PM / QoS: Remove global notifiers
They were never used in the kernel, so get rid of them.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-23 23:05:58 +01:00
Christophe Jaillet
35bfa99e81 PM / runtime: Fix some typos
Signed-off-by: Christophe Jaillet <christophe.jaillet@wanadoo.fr>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-02-23 23:03:42 +01:00
Linus Torvalds
60e8d3e116 pci-v4.11-changes
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Merge tag 'pci-v4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:

 - add ASPM L1 substate support

 - enable PCIe Extended Tags when supported

 - configure PCIe MPS settings on iProc, Versatile, X-Gene, and Xilinx

 - increase VPD access timeout

 - add ACS quirks for Intel Union Point, Qualcomm QDF2400 and QDF2432

 - use new pci_irq_alloc_vectors() in more drivers

 - fix MSI affinity memory leak

 - remove unused MSI interfaces and update documentation

 - remove unused AER .link_reset() callback

 - avoid pci_lock / p->pi_lock deadlock seen with perf

 - serialize sysfs enable/disable num_vfs operations

 - move DesignWare IP from drivers/pci/host/ to drivers/pci/dwc/ and
   refactor so we can support both hosts and endpoints

 - add DT ECAM-like support for HiSilicon Hip06/Hip07 controllers

 - add Rockchip system power management support

 - add Thunder-X cn81xx and cn83xx support

 - add Exynos 5440 PCIe PHY support

* tag 'pci-v4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (93 commits)
  PCI: dwc: Remove dependency of designware on CONFIG_PCI
  PCI: dwc: Add CONFIG_PCIE_DW_HOST to enable PCI dwc host
  PCI: dwc: Split pcie-designware.c into host and core files
  PCI: dwc: designware: Fix style errors in pcie-designware.c
  PCI: dwc: designware: Parse "num-lanes" property in dw_pcie_setup_rc()
  PCI: dwc: all: Split struct pcie_port into host-only and core structures
  PCI: dwc: designware: Get device pointer at the start of dw_pcie_host_init()
  PCI: dwc: all: Rename cfg_read/cfg_write to read/write
  PCI: dwc: all: Use platform_set_drvdata() to save private data
  PCI: dwc: designware: Move register defines to designware header file
  PCI: dwc: Use PTR_ERR_OR_ZERO to simplify code
  PCI: dra7xx: Group PHY API invocations
  PCI: dra7xx: Enable MSI and legacy interrupts simultaneously
  PCI: dra7xx: Add support to force RC to work in GEN1 mode
  PCI: dra7xx: Simplify probe code with devm_gpiod_get_optional()
  PCI: Move DesignWare IP support to new drivers/pci/dwc/ directory
  PCI: exynos: Support the PHY generic framework
  Documentation: binding: Modify the exynos5440 PCIe binding
  phy: phy-exynos-pcie: Add support for Exynos PCIe PHY
  Documentation: samsung-phy: Add exynos-pcie-phy binding
  ...
2017-02-23 11:53:22 -08:00
Chao Yu
23cf7212a1 f2fs: introduce noinline_xattr mount option
This patch introduces new mount option 'noinline_xattr', so we can disable
inline xattr functionality which is already set as a default mount option.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-02-23 10:21:48 -08:00
Tiezhu Yang
6de3f12eb7 f2fs: fix a typo in f2fs.txt
There is a typo "f2f2" in f2fs.txt, this patch fixes it.

Signed-off-by: Tiezhu Yang <kernelpatch@126.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-02-23 10:10:49 -08:00
Linus Torvalds
5bcbe22ca4 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
 "API:
   - Try to catch hash output overrun in testmgr
   - Introduce walksize attribute for batched walking
   - Make crypto_xor() and crypto_inc() alignment agnostic

  Algorithms:
   - Add time-invariant AES algorithm
   - Add standalone CBCMAC algorithm

  Drivers:
   - Add NEON acclerated chacha20 on ARM/ARM64
   - Expose AES-CTR as synchronous skcipher on ARM64
   - Add scalar AES implementation on ARM64
   - Improve scalar AES implementation on ARM
   - Improve NEON AES implementation on ARM/ARM64
   - Merge CRC32 and PMULL instruction based drivers on ARM64
   - Add NEON acclerated CBCMAC/CMAC/XCBC AES on ARM64
   - Add IPsec AUTHENC implementation in atmel
   - Add Support for Octeon-tx CPT Engine
   - Add Broadcom SPU driver
   - Add MediaTek driver"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (142 commits)
  crypto: xts - Add ECB dependency
  crypto: cavium - switch to pci_alloc_irq_vectors
  crypto: cavium - switch to pci_alloc_irq_vectors
  crypto: cavium - remove dead MSI-X related define
  crypto: brcm - Avoid double free in ahash_finup()
  crypto: cavium - fix Kconfig dependencies
  crypto: cavium - cpt_bind_vq_to_grp could return an error code
  crypto: doc - fix typo
  hwrng: omap - update Kconfig help description
  crypto: ccm - drop unnecessary minimum 32-bit alignment
  crypto: ccm - honour alignmask of subordinate MAC cipher
  crypto: caam - fix state buffer DMA (un)mapping
  crypto: caam - abstract ahash request double buffering
  crypto: caam - fix error path for ctx_dma mapping failure
  crypto: caam - fix DMA API leaks for multiple setkey() calls
  crypto: caam - don't dma_map key for hash algorithms
  crypto: caam - use dma_map_sg() return code
  crypto: caam - replace sg_count() with sg_nents_for_len()
  crypto: caam - check sg_count() return value
  crypto: caam - fix HW S/G in ablkcipher_giv_edesc_alloc()
  ..
2017-02-23 09:54:19 -08:00
Linus Torvalds
1db934a5b7 rpmsg updates for v4.11
This introduces an interface for user space to directly communicate on
 rpmsg endpoints without the implementation of specific kernel drivers,
 which is useful for e.g. debug channels.
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Merge tag 'rpmsg-v4.11' of git://github.com/andersson/remoteproc

Pull rpmsg updates from Bjorn Andersson:
 "This introduces an interface for user space to directly communicate on
  rpmsg endpoints without the implementation of specific kernel drivers,
  which is useful for e.g. debug channels:

* tag 'rpmsg-v4.11' of git://github.com/andersson/remoteproc:
  rpmsg: rpmsg_create_ept() returns NULL on error
  rpmsg: qcom: smd: Return positively when not enabled
  rpmsg: unlock on error in rpmsg_eptdev_read()
  rpmsg: char: add CONFIG_NET dependency
  rpmsg: smd: Register rpmsg user space interface for edges
  rpmsg: Driver for user space endpoint interface
  rpmsg: qcom_smd: Implement endpoint "poll"
  rpmsg: Introduce "poll" to endpoint ops
  rpmsg: qcom_smd: Add support for "label" property
2017-02-23 09:41:03 -08:00
Linus Torvalds
a3919caaa2 remoteproc updates for v4.11
This introduces support for booting the dedicated sensor core in the
 Qualcomm MSM8996, updates the Qualcomm ADSP and Hexagon drivers to
 utilize SMD subdevice helpers for properly handle shutdowns and restarts
 of the remoteproc, add virtio support to the ST remoteproc and refactor
 the Qualcomm Hexagon driver to handle variations between platforms.
 
 The support code for parsing, loading and authenticating Qualcomm
 firmware files (MDT) is refactored and move to drivers/soc/qcom, to
 allow for non-remoteproc drivers to utilize this.
 
 Finally it brings some cleanups to the remoteproc core.
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Merge tag 'rproc-v4.11' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This introduces support for booting the dedicated sensor core in the
  Qualcomm MSM8996, updates the Qualcomm ADSP and Hexagon drivers to
  utilize SMD subdevice helpers for properly handle shutdowns and
  restarts of the remoteproc, add virtio support to the ST remoteproc
  and refactor the Qualcomm Hexagon driver to handle variations between
  platforms.

  The support code for parsing, loading and authenticating Qualcomm
  firmware files (MDT) is refactored and move to drivers/soc/qcom, to
  allow for non-remoteproc drivers to utilize this.

  Finally it brings some cleanups to the remoteproc core"

* tag 'rproc-v4.11' of git://github.com/andersson/remoteproc: (27 commits)
  remoteproc: qcom: mdt_loader: Use signed type for offset
  remoteproc: st: add virtio communication support
  remoteproc: st: correct probe error management
  remoteproc: Modify the function names
  remoteproc: Reduce asynchronous request_firmware to auto-boot only
  remoteproc: Drop qcom_scm_pas_supported() from adsp_probe()
  MAINTAINERS: Add missing rpmsg include path
  remoteproc: qcom: Use common SMD edge handler
  remoteproc: qcom: wcnss: Make SMD handling common
  remoteproc: Move qcom_mdt_loader into drivers/soc/qcom
  remoteproc: qcom: mdt_loader: Refactor MDT loader
  remoteproc: qcom: mdt_loader: Don't overwrite firmware object
  remoteproc: qcom: Extract non-mdt related helper
  remoteproc: qcom: q6v5: Decouple driver from MDT loader
  remoteproc: qcom: q6v5: Remove mss supply from 8916
  remoteproc: qcom: fix initializers for qcom_mss_reg_res array
  remoteproc: Drop firmware_loading_complete
  remoteproc: Add RPROC_DELETED state
  remoteproc: Move rproc_delete_debug_dir() to rproc_del()
  remoteproc: qcom: Add SLPI rproc support to load and boot slpi proc.
  ...
2017-02-23 09:38:10 -08:00
Linus Torvalds
28cbc335d2 sound updates for 4.11-rc1
here is the update of sound bits for 4.11: again at this time, no big
 changes in ALSA and ASoC core but only cosmetic changes like
 consitifaction.  Meanwhile, quite a lot of developments are seen in
 a few driver side.
 
 ALSA Core:
 - Clean up, consitification of some ops
 
 HD-audio:
 - A slight behavior change of single_cmd option
 - Quirks for AmigaOne X1000, Samsung Ativ Book 8, Dell AiO, ALC221 HP,
   and fixes for Lewisburg controller
 - Realtek ALC299, ALC1220 codecs
 
 Others:
 - USB-audio: Tascam US-16x08 DSP mixer quirk
 - Intel HDMI LPE audio support for Baytrail / Cherrytrail; this
   contains some updates in drm/i915 for the new platform binding
 
 ASoC:
 - Lots of updates in Intel drivers, mostly for DisplayPort and HDMI
   on Skylake and onwards, as well as more Baytrail / Cherrytrail
   boards support
 - Channel mapping support for HDMI
 - Support for AllWinner A31 and A33, Everest Semiconductor ES8328,
   Nuvoton NAU8540.
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Merge tag 'sound-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "Here is the update of sound bits for 4.11: again at this time, no big
  changes in ALSA and ASoC core but only cosmetic changes like
  consitifaction.

  Meanwhile, quite a lot of developments are seen in a few driver side.

  ALSA Core:
   - Clean up, consitification of some ops

  HD-audio:
   - A slight behavior change of single_cmd option
   - Quirks for AmigaOne X1000, Samsung Ativ Book 8, Dell AiO, ALC221
     HP, and fixes for Lewisburg controller
   - Realtek ALC299, ALC1220 codecs

  Others:
   - USB-audio: Tascam US-16x08 DSP mixer quirk
   - Intel HDMI LPE audio support for Baytrail / Cherrytrail; this
     contains some updates in drm/i915 for the new platform binding

  ASoC:
   - Lots of updates in Intel drivers, mostly for DisplayPort and HDMI
     on Skylake and onwards, as well as more Baytrail / Cherrytrail
     boards support
   - Channel mapping support for HDMI
   - Support for AllWinner A31 and A33, Everest Semiconductor ES8328,
     Nuvoton NAU8540.

* tag 'sound-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (323 commits)
  ALSA: usb-audio: Tidy up mixer_us16x08.c
  ALSA: usb-audio: Fix memory leak and corruption in mixer_us16x08.c
  ALSA: usb-audio: purge needless variable length array
  ALSA: x86: hdmi: select CONFIG_SND_PCM
  ALSA: x86: Don't enable runtime PM as default
  ALSA: x86: Use runtime PM autosuspend
  ALSA: usb-audio: localize function without external linkage
  ALSA: usb-audio: localize one-referrer variable
  ALSA: usb-audio: Tascam US-16x08 DSP mixer quirk
  ALSA: emu10k1: constify snd_emux_operators structure
  ASoC: sun4i-spdif: drop unnessary snd_soc_unregister_component()
  ASoC: Intel: bxt: Add jack port initialize in bxt_rt298 machine
  ASoC: nau8825: automatic BCLK and LRC divde in master mode
  ASoC: hdac_hdmi: Add device id for Geminilake
  ASoC: Intel: Skylake: Add Geminlake IDs
  ASoC: rt298: Add DMI match for Geminilake reference platform
  ASoC: Intel: Skylake: Check device type to get endpoint configuration
  ASoC: Intel: bxt: Add jack port initialize in da7219_max98357a machine
  ASoC: Intel: Skylake: Add jack port initialize in nau88l25_ssm4567 machine
  ASoC: Intel: Skylake: Add jack port initialize in nau88l25_max98357a machine
  ...
2017-02-23 08:50:22 -08:00
Linus Torvalds
1ec5c1867a This is the bulk of GPIO changes for the v4.11 cycle
Core changes:
 
 - Augment fwnode_get_named_gpiod() to configure the GPIO pin
   immediately after requesting it like all other APIs do.
   This is a treewide change also updating all users.
 
 - Pass a GPIO label down to gpiod_request() from
   fwnode_get_named_gpiod(). This makes debugfs and the userspace
   ABI correctly reflect the current in-kernel consumer of a pin
   taken using this abstraction. This is a treewide change also
   updating all users.
 
 - Rename devm_get_gpiod_from_child() to
   devm_fwnode_get_gpiod_from_child() to reflect the fact that this
   function is operating on a fwnode object. This is a treewide
   change also updating all users.
 
 - Make it possible to take multiple GPIOs in a single hog of device
   tree hogs.
 
 - The refactorings switching GPIO chips to use the .set_config()
   callback using standard pin control properties and providing
   a backend into the pin control subsystem that were also merged
   into the pin control tree naturally appear here too.
 
 Testing instrumentation:
 
 - A whole slew of cleanups and improvements to the mockup GPIO
   driver. We now have an extended userspace test exercising the
   subsystem, and we can inject interrupts etc from userspace
   to fully test the core GPIO functionality.
 
 New drivers:
 
 - New driver for the Cortina Systems Gemini GPIO controller.
 
 - New driver for the Exar XR17V352/354/358 chips.
 
 - New driver for the ACCES PCI-IDIO-16 PCI GPIO card.
 
 Driver changes:
 
 - RCAR: set the irqchip parent device, add fine-grained runtime
   PM support.
 
 - pca953x: support optional RESET control line on the chip.
 
 - DaVinci: cleanups and simplifications. Add support for multiple
   instances.
 
 - .set_multiple() and naming of lines on more or less all of the
   ISA/PCI GPIO controllers.
 
 - mcp23s08: refactored to use regmap as a first step to further
   rewrites and modernizations.
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Merge tag 'gpio-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v4.11 cycle

  Core changes:

   - Augment fwnode_get_named_gpiod() to configure the GPIO pin
     immediately after requesting it like all other APIs do. This is a
     treewide change also updating all users.

   - Pass a GPIO label down to gpiod_request() from
     fwnode_get_named_gpiod(). This makes debugfs and the userspace ABI
     correctly reflect the current in-kernel consumer of a pin taken
     using this abstraction. This is a treewide change also updating all
     users.

   - Rename devm_get_gpiod_from_child() to
     devm_fwnode_get_gpiod_from_child() to reflect the fact that this
     function is operating on a fwnode object. This is a treewide change
     also updating all users.

   - Make it possible to take multiple GPIOs in a single hog of device
     tree hogs.

   - The refactorings switching GPIO chips to use the .set_config()
     callback using standard pin control properties and providing a
     backend into the pin control subsystem that were also merged into
     the pin control tree naturally appear here too.

  Testing instrumentation:

   - A whole slew of cleanups and improvements to the mockup GPIO
     driver. We now have an extended userspace test exercising the
     subsystem, and we can inject interrupts etc from userspace to fully
     test the core GPIO functionality.

  New drivers:

   - New driver for the Cortina Systems Gemini GPIO controller.

   - New driver for the Exar XR17V352/354/358 chips.

   - New driver for the ACCES PCI-IDIO-16 PCI GPIO card.

  Driver changes:

   - RCAR: set the irqchip parent device, add fine-grained runtime PM
     support.

   - pca953x: support optional RESET control line on the chip.

   - DaVinci: cleanups and simplifications. Add support for multiple
     instances.

   - .set_multiple() and naming of lines on more or less all of the
     ISA/PCI GPIO controllers.

   - mcp23s08: refactored to use regmap as a first step to further
     rewrites and modernizations"

* tag 'gpio-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (61 commits)
  gpio: reintroduce devm_get_gpiod_from_child()
  gpio: pci-idio-16: Fix PCI BAR index
  gpio: pci-idio-16: Fix PCI device ID code
  gpio: mockup: implement event injecting over debugfs
  gpio: mockup: add a dummy irqchip
  gpio: mockup: implement naming the lines
  gpio: mockup: code shrink
  gpio: mockup: readability tweaks
  gpio: Add GPIO support for the ACCES PCI-IDIO-16
  gpio: Add the devm_fwnode_get_index_gpiod_from_child() helper
  gpio: Rename devm_get_gpiod_from_child()
  gpio: mcp23s08: Select REGMAP/REGMAP_I2C to fix build error
  gpio: ws16c48: Add support for GPIO names
  gpio: gpio-mm: Add support for GPIO names
  gpio: 104-idio-16: Add support for GPIO names
  gpio: 104-idi-48: Add support for GPIO names
  gpio: 104-dio-48e: Add support for GPIO names
  gpio: ws16c48: Remove unnecessary driver_data set
  gpio: gpio-mm: Remove unnecessary driver_data set
  gpio: 104-idio-16: Remove unnecessary driver_data set
  ...
2017-02-23 08:46:04 -08:00
Linus Torvalds
d5dee39b27 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry:

 - a new driver for Zeitech touchscreen controller

 - a new driver for Samsung "touchkeys"

 - touchscreen driver for Moorestown platform has been removed because
   platform support is gone

 - MPU3050 accelerometer driver was removed in favor of IIO driver

 - miscellaneous driver cleanup and fixes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (88 commits)
  Input: zet6223 - export OF device ID as module aliases
  Input: tsc2004/5 - switch to using generic device properties
  Input: tsc2004/5 - fix regulator handling
  Input: tsc2005 - add OF device table
  Input: add driver for Zeitec ZET6223
  Input: joydev - do not report stale values on first open
  Input: synaptics-rmi4 - forward upper mechanical buttons to PS/2 guest
  Input: synaptics-rmi4 - clean up F30 implementation
  Input: synaptics - use SERIO_OOB_DATA to handle trackstick buttons
  Input: psmouse - add a custom serio protocol to send extra information
  Input: synaptics-rmi4 - fix error return code in rmi_probe_interrupts()
  Input: xpad - restore LED state after device resume
  Input: synaptics-rmi4 - add rmi_find_function()
  Input: xpad - fix stuck mode button on Xbox One S pad
  Input: joydev - use clamp() macro
  Input: refuse to register absolute devices without absinfo
  Input: synaptics-rmi4 - add sysfs interfaces for hardware IDs
  Input: synaptics-rmi4 - add sysfs attribute update_fw_status
  Input: mousedev - stop offering PS/2 to userspace by default
  Input: tca8418 - switch to using generic device properties
  ...
2017-02-23 08:39:40 -08:00
Linus Torvalds
4cc4b9323f First set of updates for 4.11 kernel merge window
- Add new Broadcom bnxt_re RoCE driver
 - rxe driver updates
 - ioctl cleanups
 - ETH_P_IBOE declaration cleanup
 - IPoIB changes
 - Add port state cache
 - Allow srpt driver to accept guids as port names in config
 - Update to hfi1 driver
 - Update to srp driver
 - Lots of misc. minor changes all over
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma updates from Doug Ledford:
 "First set of updates for 4.11 kernel merge window

   - Add new Broadcom bnxt_re RoCE driver
   - rxe driver updates
   - ioctl cleanups
   - ETH_P_IBOE declaration cleanup
   - IPoIB changes
   - Add port state cache
   - Allow srpt driver to accept guids as port names in config
   - Update to hfi1 driver
   - Update to srp driver
   - Lots of misc minor changes all over"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (114 commits)
  RDMA/bnxt_re: fix for "bnxt_en: Update to firmware interface spec 1.7.0."
  rdma_cm: fail iwarp accepts w/o connection params
  IB/srp: Drain the send queue before destroying a QP
  IB/core: Add support for draining IB_POLL_DIRECT completion queues
  IB/srp: Improve an error path
  IB/srp: Make a diagnostic message more informative
  IB/srp: Document locking conventions
  IB/srp: Fix race conditions related to task management
  IB/srp: Avoid that duplicate responses trigger a kernel bug
  IB/SRP: Avoid using IB_MR_TYPE_SG_GAPS
  RDMA/qedr: Fix some error handling
  RDMA/bnxt_re: add DCB dependency
  IB/hns: include linux/module.h
  IB/vmw_pvrdma: Expose vendor error to ULPs
  vmw_pvrdma: switch to pci_alloc_irq_vectors
  IB/hfi1: use size_t for passing array length
  IB/ipoib: Remove redudant label
  IB/ipoib: remove the unnecessary memory free
  IB/mthca: switch to pci_alloc_irq_vectors
  IB/hfi1: Code reuse with memdup_copy
  ...
2017-02-23 08:27:57 -08:00
Vijay Kumar
4cfe140618 Documentation/sparc: Steps for sending break on sunhv console
Documented the steps for sending break on sunhv console.

Signed-off-by: Vijay Kumar <vijay.ac.kumar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-23 08:27:25 -08:00
Linus Torvalds
df9cdc1727 - Core Frameworks
- Add new !TOUCHSCREEN_SUN4I dependency for SUN4I_GPADC
    - List include/dt-bindings/mfd/* to files supported in MAINTAINERS
 
  - New Drivers
    - Intel Apollo Lake SPI NOR
    - ST STM32 Timers (Advanced, Basic and PWM)
    - Motorola 6556002 CPCAP (PMIC)
 
  - New Device Support
    - Add support for AXP221 to axp20x
    - Add support for Intel Gemini Lake to intel-lpss-pci
    - Add support for MT6323 LED to mt6397-core
    - Add support for COMe-bBD#, COMe-bSL6, COMe-bKL6,
                      COMe-cAL6 and COMe-cKL6 to kempld-core
 
  - New Functionality
    - Add support for Analog CODAC to sun6i-prcm
    - Add support for Watchdog to lpc_ich
 
  - Fix-ups
    - Error handling improvements; axp288_charger, axp20x, ab8500-sysctrl
    - Adapt platform data handling; axp20x
    - IRQ handling improvements; arizona, axp20x
    - Remove superfluous code; arizona, axp20x, lpc_ich
    - Trivial coding style/spelling fixes; axp20x, abx500, mfd.txt
    - Regmap fix-ups; axp20x
    - DT changes; mfd.txt, aspeed-lpc, aspeed-gfx, ab8500-core, tps65912, mt6397
    - Use new I2C probing mechanism; max77686
    - Constification; rk808
 
  - Bug Fixes
    - Stop data transfer whilst suspended; cros_ec
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Merge tag 'mfd-for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Frameworks:
   - Add new !TOUCHSCREEN_SUN4I dependency for SUN4I_GPADC
   - List include/dt-bindings/mfd/* to files supported in MAINTAINERS

  New Drivers:
   - Intel Apollo Lake SPI NOR
   - ST STM32 Timers (Advanced, Basic and PWM)
   - Motorola 6556002 CPCAP (PMIC)

  New Device Support:
   - Add support for AXP221 to axp20x
   - Add support for Intel Gemini Lake to intel-lpss-pci
   - Add support for MT6323 LED to mt6397-core
   - Add support for COMe-bBD#, COMe-bSL6, COMe-bKL6, COMe-cAL6 and
     COMe-cKL6 to kempld-core

  New Functionality:
   - Add support for Analog CODAC to sun6i-prcm
   - Add support for Watchdog to lpc_ich

  Fix-ups:
   - Error handling improvements; axp288_charger, axp20x, ab8500-sysctrl
   - Adapt platform data handling; axp20x
   - IRQ handling improvements; arizona, axp20x
   - Remove superfluous code; arizona, axp20x, lpc_ich
   - Trivial coding style/spelling fixes; axp20x, abx500, mfd.txt
   - Regmap fix-ups; axp20x
   - DT changes; mfd.txt, aspeed-lpc, aspeed-gfx, ab8500-core, tps65912,
     mt6397
   - Use new I2C probing mechanism; max77686
   - Constification; rk808

  Bug Fixes:
   - Stop data transfer whilst suspended; cros_ec"

* tag 'mfd-for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (43 commits)
  mfd: lpc_ich: Enable watchdog on Intel Apollo Lake PCH
  mfd: lpc_ich: Remove useless comments in core part
  mfd: Add support for several boards to Kontron PLD driver
  mfd: constify regmap_irq_chip structures
  MAINTAINERS: Add include/dt-bindings/mfd to MFD entry
  mfd: cpcap: Add minimal support
  mfd: mt6397: Add MT6323 LED support into MT6397 driver
  Documentation: devicetree: Add LED subnode binding for MT6323 PMIC
  mfd: tps65912: Export OF device ID table as module aliases
  mfd: ab8500-core: Rename clock device and compatible
  mfd: cros_ec: Send correct suspend/resume event to EC
  mfd: max77686: Remove I2C device ID table
  mfd: max77686: Use the struct i2c_driver .probe_new instead of .probe
  mfd: max77686: Use of_device_get_match_data() helper
  mfd: max77686: Don't attempt to get i2c_device_id .data
  mfd: ab8500-sysctrl: Handle probe deferral
  mfd: intel-lpss: Add Intel Gemini Lake PCI IDs
  mfd: axp20x: Fix AXP806 access errors on cold boot
  mfd: cros_ec: Send suspend state notification to EC
  mfd: cros_ec: Prevent data transfer while device is suspended
  ...
2017-02-23 08:18:01 -08:00
Masanari Iida
04b9a5f0f5 Doc: f2fs: Fix typo in Documentation/filesystems/f2fs.txt
This patch fix a typo in f2fs.txt

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-02-22 20:24:50 -08:00
Linus Torvalds
bc49a7831b Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton:
 "142 patches:

   - DAX updates

   - various misc bits

   - OCFS2 updates

   - most of MM"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (142 commits)
  mm/z3fold.c: limit first_num to the actual range of possible buddy indexes
  mm: fix <linux/pagemap.h> stray kernel-doc notation
  zram: remove obsolete sysfs attrs
  mm/memblock.c: remove unnecessary log and clean up
  oom-reaper: use madvise_dontneed() logic to decide if unmap the VMA
  mm: drop unused argument of zap_page_range()
  mm: drop zap_details::check_swap_entries
  mm: drop zap_details::ignore_dirty
  mm, page_alloc: warn_alloc nodemask is NULL when cpusets are disabled
  mm: help __GFP_NOFAIL allocations which do not trigger OOM killer
  mm, oom: do not enforce OOM killer for __GFP_NOFAIL automatically
  mm: consolidate GFP_NOFAIL checks in the allocator slowpath
  lib/show_mem.c: teach show_mem to work with the given nodemask
  arch, mm: remove arch specific show_mem
  mm, page_alloc: warn_alloc print nodemask
  mm, page_alloc: do not report all nodes in show_mem
  Revert "mm: bail out in shrink_inactive_list()"
  mm, vmscan: consider eligible zones in get_scan_count
  mm, vmscan: cleanup lru size claculations
  mm, vmscan: do not count freed pages as PGDEACTIVATE
  ...
2017-02-22 19:29:24 -08:00
Linus Torvalds
be5165a51d DeviceTree updates for 4.11:
- Sync dtc to upstream commit 0931cea3ba20. This picks up overlay
   support in dtc.
 
 - Set dma_ops for reserved memory users.
 
 - Make references to IOMMU consistent in DT bindings.
 
 - Cleanup references to pm_power_off in bindings.
 
 - Move some display bindings that snuck into the old bindings/video/
   path.
 
 - Fix some wrong documentation paths caused from binding restructuring.
 
 - Vendor prefixes for Faraday and Fujitsu.
 
 - Fix an of_node ref counting leak in of_find_node_opts_by_path
 
 - Introduce new graph helper of_graph_get_remote_node() which will be
   used by DRM drivers in 4.12.
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Merge tag 'devicetree-for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree updates from Rob Herring:
 "Pretty standard stuff with dtc upstream sync being the biggest piece.

   - Sync dtc to upstream commit 0931cea3ba20. This picks up overlay
     support in dtc.

   - Set dma_ops for reserved memory users.

   - Make references to IOMMU consistent in DT bindings.

   - Cleanup references to pm_power_off in bindings.

   - Move some display bindings that snuck into the old bindings/video/
     path.

   - Fix some wrong documentation paths caused from binding
     restructuring.

   - Vendor prefixes for Faraday and Fujitsu.

   - Fix an of_node ref counting leak in of_find_node_opts_by_path

   - Introduce new graph helper of_graph_get_remote_node() which will be
     used by DRM drivers in 4.12"

* tag 'devicetree-for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (27 commits)
  DT: add Faraday Tec. as vendor
  of: introduce of_graph_get_remote_node
  of: Add missing space at end of pr_fmt().
  of: make of_device_make_bus_id() static
  of: fix of_node leak caused in of_find_node_opts_by_path
  dt-bindings: net: remove reference to fixed link support
  dt-bindings: power: reset: qnap-poweroff: Drop reference to pm_power_off
  dt-bindings: power: reset: gpio-poweroff: Drop reference to pm_power_off
  dt-bindings: mfd: as3722: Drop reference to pm_power_off
  dt-bindings: display: move ANX7814 and SiI8620 bridge bindings
  of/unittest: Swap arguments of of_unittest_apply_overlay()
  Documentation: usb: fix wrong documentation paths
  serial: fsl-imx-uart.txt: Remove generic property
  devicetree: Add Fujitsu Ltd. vendor prefix
  Documentation: display: fix wrong documentation paths
  of: remove redundant memset in overlay
  bus:qcom : Fix typo in qcom,ebi2.txt
  dt-bindings: qman: Remove pool channel node
  Documentation: panel-dpi: fix path to display-timing.txt
  devicetree: bindings: clk: mvebu: fix description for sata1 on Armada XP
  ...
2017-02-22 19:23:14 -08:00
Linus Torvalds
c1aac62f36 A slightly quieter cycle for documentation this time around.
Three more DocBook template files have been converted to RST; only 21 to
 go.  There are various build improvements and the usual array of
 documentation improvements and fixes.
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Merge tag 'docs-4.11' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "A slightly quieter cycle for documentation this time around.

  Three more DocBook template files have been converted to RST; only 21
  to go. There are various build improvements and the usual array of
  documentation improvements and fixes"

* tag 'docs-4.11' of git://git.lwn.net/linux: (44 commits)
  docs / driver-api: Fix structure references in device_link.rst
  PM / docs: Fix structure references in device.rst
  Add a target to check broken external links in the Documentation
  Documentation: Fix linux-api list typo
  Documentation: DocBook/Makefile comment typo
  Improve sparse documentation
  Documentation: make Makefile.sphinx no-ops quieter
  Documentation: DMA-ISA-LPC.txt
  Documentation: input: fix path to input code definitions
  docs: Remove the copyright year from conf.py
  docs: Fix a warning in the Korean HOWTO.rst translation
  PM / sleep / docs: Convert PM notifiers document to reST
  PM / core / docs: Convert sleep states API document to reST
  PM / core: Update kerneldoc comments in pm.h
  doc-rst: Fix recursive make invocation from macros
  doc-rst: Delete output of failed dot-SVG conversion
  doc-rst: Break shell command sequences on failure
  Documentation/sphinx: make targets independent of Sphinx work for HAVE_SPHINX=0
  doc-rst: fixed cleandoc target when used with O=dir
  Documentation/sphinx: prevent generation of .pyc files in the source tree
  ...
2017-02-22 18:51:29 -08:00
Linus Torvalds
fd7e9a8834 4.11 is going to be a relatively large release for KVM, with a little over
200 commits and noteworthy changes for most architectures.
 
 * ARM:
 - GICv3 save/restore
 - cache flushing fixes
 - working MSI injection for GICv3 ITS
 - physical timer emulation
 
 * MIPS:
 - various improvements under the hood
 - support for SMP guests
 - a large rewrite of MMU emulation.  KVM MIPS can now use MMU notifiers
 to support copy-on-write, KSM, idle page tracking, swapping, ballooning
 and everything else.  KVM_CAP_READONLY_MEM is also supported, so that
 writes to some memory regions can be treated as MMIO.  The new MMU also
 paves the way for hardware virtualization support.
 
 * PPC:
 - support for POWER9 using the radix-tree MMU for host and guest
 - resizable hashed page table
 - bugfixes.
 
 * s390: expose more features to the guest
 - more SIMD extensions
 - instruction execution protection
 - ESOP2
 
 * x86:
 - improved hashing in the MMU
 - faster PageLRU tracking for Intel CPUs without EPT A/D bits
 - some refactoring of nested VMX entry/exit code, preparing for live
 migration support of nested hypervisors
 - expose yet another AVX512 CPUID bit
 - host-to-guest PTP support
 - refactoring of interrupt injection, with some optimizations thrown in
 and some duct tape removed.
 - remove lazy FPU handling
 - optimizations of user-mode exits
 - optimizations of vcpu_is_preempted() for KVM guests
 
 * generic:
 - alternative signaling mechanism that doesn't pound on tsk->sighand->siglock
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Paolo Bonzini:
 "4.11 is going to be a relatively large release for KVM, with a little
  over 200 commits and noteworthy changes for most architectures.

  ARM:
   - GICv3 save/restore
   - cache flushing fixes
   - working MSI injection for GICv3 ITS
   - physical timer emulation

  MIPS:
   - various improvements under the hood
   - support for SMP guests
   - a large rewrite of MMU emulation. KVM MIPS can now use MMU
     notifiers to support copy-on-write, KSM, idle page tracking,
     swapping, ballooning and everything else. KVM_CAP_READONLY_MEM is
     also supported, so that writes to some memory regions can be
     treated as MMIO. The new MMU also paves the way for hardware
     virtualization support.

  PPC:
   - support for POWER9 using the radix-tree MMU for host and guest
   - resizable hashed page table
   - bugfixes.

  s390:
   - expose more features to the guest
   - more SIMD extensions
   - instruction execution protection
   - ESOP2

  x86:
   - improved hashing in the MMU
   - faster PageLRU tracking for Intel CPUs without EPT A/D bits
   - some refactoring of nested VMX entry/exit code, preparing for live
     migration support of nested hypervisors
   - expose yet another AVX512 CPUID bit
   - host-to-guest PTP support
   - refactoring of interrupt injection, with some optimizations thrown
     in and some duct tape removed.
   - remove lazy FPU handling
   - optimizations of user-mode exits
   - optimizations of vcpu_is_preempted() for KVM guests

  generic:
   - alternative signaling mechanism that doesn't pound on
     tsk->sighand->siglock"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (195 commits)
  x86/kvm: Provide optimized version of vcpu_is_preempted() for x86-64
  x86/paravirt: Change vcp_is_preempted() arg type to long
  KVM: VMX: use correct vmcs_read/write for guest segment selector/base
  x86/kvm/vmx: Defer TR reload after VM exit
  x86/asm/64: Drop __cacheline_aligned from struct x86_hw_tss
  x86/kvm/vmx: Simplify segment_base()
  x86/kvm/vmx: Get rid of segment_base() on 64-bit kernels
  x86/kvm/vmx: Don't fetch the TSS base from the GDT
  x86/asm: Define the kernel TSS limit in a macro
  kvm: fix page struct leak in handle_vmon
  KVM: PPC: Book3S HV: Disable HPT resizing on POWER9 for now
  KVM: Return an error code only as a constant in kvm_get_dirty_log()
  KVM: Return an error code only as a constant in kvm_get_dirty_log_protect()
  KVM: Return directly after a failed copy_from_user() in kvm_vm_compat_ioctl()
  KVM: x86: remove code for lazy FPU handling
  KVM: race-free exit from KVM_RUN without POSIX signals
  KVM: PPC: Book3S HV: Turn "KVM guest htab" message into a debug message
  KVM: PPC: Book3S PR: Ratelimit copy data failure error messages
  KVM: Support vCPU-based gfn->hva cache
  KVM: use separate generations for each address space
  ...
2017-02-22 18:22:53 -08:00
Dave Airlie
94000cc329 Linux 4.10-rc8
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Merge tag 'v4.10-rc8' into drm-next

Linux 4.10-rc8

Backmerge Linus rc8 to fix some conflicts, but also
to avoid pulling it in via a fixes pull from someone.
2017-02-23 12:10:12 +10:00
Sergey Senozhatsky
c87d1655c2 zram: remove obsolete sysfs attrs
We had a deprecated_attr_warn() warning for 2 years and now the time has
come and we finally can do the cleanup.

The plan was as follows:

: per-stat sysfs attributes are considered to be deprecated.
: The basic strategy is:
: -- the existing RW nodes will be downgraded to WO nodes (in linux 4.11)
: -- deprecated RO sysfs nodes will eventually be removed (in linux 4.11)
:
: The list of deprecated attributes can be found here:
: Documentation/ABI/obsolete/sysfs-block-zram
:
: Basically, every attribute that has its own read accessible sysfs
: node (e.g. num_reads) *AND* is accessible via one of the stat files
: (zram<id>/stat or zram<id>/io_stat or zram<id>/mm_stat) is considered
: to be deprecated.

The patch also removes `obsolete/sysfs-block-zram', clean ups
`testing/sysfs-block-zram' and tweaks zram.txt files.

Link: http://lkml.kernel.org/r/20170118035838.11090-1-sergey.senozhatsky@gmail.com
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-22 16:41:30 -08:00
David Rientjes
21440d7eb9 mm, thp: add new defer+madvise defrag option
There is no thp defrag option that currently allows MADV_HUGEPAGE
regions to do direct compaction and reclaim while all other thp
allocations simply trigger kswapd and kcompactd in the background and
fail immediately.

The "defer" setting simply triggers background reclaim and compaction
for all regions, regardless of MADV_HUGEPAGE, which makes it unusable
for our userspace where MADV_HUGEPAGE is being used to indicate the
application is willing to wait for work for thp memory to be available.

The "madvise" setting will do direct compaction and reclaim for these
MADV_HUGEPAGE regions, but does not trigger kswapd and kcompactd in the
background for anybody else.

For reasonable usage, there needs to be a mesh between the two options.
This patch introduces a fifth mode, "defer+madvise", that will do direct
reclaim and compaction for MADV_HUGEPAGE regions and trigger background
reclaim and compaction for everybody else so that hugepages may be
available in the near future.

A proposal to allow direct reclaim and compaction for MADV_HUGEPAGE
regions as part of the "defer" mode, making it a very powerful setting
and avoids breaking userspace, was offered:
     http://marc.info/?t=148236612700003
This additional mode is a compromise.

A second proposal to allow both "defer" and "madvise" to be selected at
the same time was also offered:
     http://marc.info/?t=148357345300001.
This is possible, but there was a concern that it might break existing
userspaces the parse the output of the defrag mode, so the fifth option
was introduced instead.

This patch also cleans up the helper function for storing to "enabled"
and "defrag" since the former supports three modes while the latter
supports five and triple_flag_store() was getting unnecessarily messy.

Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1701101614330.41805@chino.kir.corp.google.com
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-22 16:41:30 -08:00
Michal Hocko
93607e5a55 trace-vmscan-postprocess: sync with tracepoints updates
Both mm_vmscan_lru_shrink_active and mm_vmscan_lru_isolate have changed
so the script needs to be update to reflect those changes

Link: http://lkml.kernel.org/r/20170105151737.GU21618@dhcp22.suse.cz
Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-22 16:41:29 -08:00
Tejun Heo
1663f26df3 slub: make sysfs directories for memcg sub-caches optional
SLUB creates a per-cache directory under /sys/kernel/slab which hosts a
bunch of debug files.  Usually, there aren't that many caches on a
system and this doesn't really matter; however, if memcg is in use, each
cache can have per-cgroup sub-caches.  SLUB creates the same directories
for these sub-caches under /sys/kernel/slab/$CACHE/cgroup.

Unfortunately, because there can be a lot of cgroups, active or
draining, the product of the numbers of caches, cgroups and files in
each directory can reach a very high number - hundreds of thousands is
commonplace.  Millions and beyond aren't difficult to reach either.

What's under /sys/kernel/slab is primarily for debugging and the
information and control on the a root cache already cover its
sub-caches.  While having a separate directory for each sub-cache can be
helpful for development, it doesn't make much sense to pay this amount
of overhead by default.

This patch introduces a boot parameter slub_memcg_sysfs which determines
whether to create sysfs directories for per-memcg sub-caches.  It also
adds CONFIG_SLUB_MEMCG_SYSFS_ON which determines the boot parameter's
default value and defaults to 0.

[akpm@linux-foundation.org: kset_unregister(NULL) is legal]
Link: http://lkml.kernel.org/r/20170204145203.GB26958@mtj.duckdns.org
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-22 16:41:27 -08:00
Linus Torvalds
37c85961c3 TTY/Serial driver patches for 4.11-rc1
Here is the big tty/serial driver patchset for 4.11-rc1.
 
 Not much here, but a lot of little fixes and individual serial driver
 updates all over the subsystem.  Majority are for the sh-sci driver and
 platform (the arch-specific changes have acks from the maintainer).
 
 The start of the "serial bus" code is here as well, but nothing is
 converted to use it yet.  That work is still ongoing, hopefully will
 start to show up across different subsystems for 4.12 (bluetooth is one
 major place that will be used.)
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver updates from Greg KH:
 "Here is the big tty/serial driver patchset for 4.11-rc1.

  Not much here, but a lot of little fixes and individual serial driver
  updates all over the subsystem. Majority are for the sh-sci driver and
  platform (the arch-specific changes have acks from the maintainer).

  The start of the "serial bus" code is here as well, but nothing is
  converted to use it yet. That work is still ongoing, hopefully will
  start to show up across different subsystems for 4.12 (bluetooth is
  one major place that will be used.)

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (109 commits)
  tty: pl011: Work around QDF2400 E44 stuck BUSY bit
  atmel_serial: Use the fractional divider when possible
  tty: Remove extra include in HVC console tty framework
  serial: exar: Enable MSI support
  serial: exar: Move register defines from uapi header to consumer site
  serial: pci: Remove unused pci_boards entries
  serial: exar: Move Commtech adapters to 8250_exar as well
  serial: exar: Fix feature control register constants
  serial: exar: Fix initialization of EXAR registers for ports > 0
  serial: exar: Fix mapping of port I/O resources
  serial: sh-sci: fix hardware RX trigger level setting
  tty/serial: atmel: ensure state is restored after suspending
  serial: 8250_dw: Avoid "too much work" from bogus rx timeout interrupt
  serdev: ttyport: check whether tty_init_dev() fails
  serial: 8250_pci: make pciserial_detach_ports() static
  ARM: dts: STiH410-b2260: Enable HW flow-control
  ARM: dts: STiH407-family: Use new Pinctrl groups
  ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control
  ARM: dts: STiH410-b2260: Identify the UART RTS line
  dt-bindings: serial: Update 'uart-has-rtscts' description
  ...
2017-02-22 12:17:25 -08:00
Linus Torvalds
caa5942897 staging/iio driver patches for 4.11-rc1
Here is the big staging and iio driver patchsets for 4.11-rc1.
 
 We almost broke even this time around, with only a few thousand lines
 added overall, as we removed the old and obsolete i4l code, but added
 some new drivers for the RPi platform, as well as adding some new IIO
 drivers.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/iio driver updates from Greg KH:
 "Here is the big staging and iio driver patchsets for 4.11-rc1.

  We almost broke even this time around, with only a few thousand lines
  added overall, as we removed the old and obsolete i4l code, but added
  some new drivers for the RPi platform, as well as adding some new IIO
  drivers.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (669 commits)
  Staging: vc04_services: Fix the "space prohibited" code style errors
  Staging: vc04_services: Fix the "wrong indent" code style errors
  staging: octeon: Use net_device_stats from struct net_device
  Staging: rtl8192u: ieee80211: ieee80211.h - style fix
  Staging: rtl8192u: ieee80211: ieee80211_tx.c - style fix
  Staging: rtl8192u: ieee80211: rtl819x_BAProc.c - style fix
  Staging: rtl8192u: ieee80211: ieee80211_module.c - style fix
  Staging: rtl8192u: ieee80211: rtl819x_TSProc.c - style fix
  Staging: rtl8192u: r8192U.h - style fix
  Staging: rtl8192u: r8192U_core.c - style fix
  Staging: rtl8192u: r819xU_cmdpkt.c - style fix
  staging: rtl8192u: blank lines aren't necessary before a close brace '}'
  staging: rtl8192u: Adding space after enum and struct definition
  staging: rtl8192u: Adding space after struct definition
  Staging: ks7010: Add required and preferred spaces around operators
  Staging: ks7010: ks*: Remove redundant blank lines
  Staging: ks7010: ks*: Add missing blank lines after declarations
  staging: visorbus, replace init_timer with setup_timer
  staging: vt6656: rxtx.c Removed multiple dereferencing
  staging: vt6656: Alignment match open parenthesis
  ...
2017-02-22 12:14:01 -08:00
Linus Torvalds
b2064617c7 driver core patches for 4.11-rc1
Here is the "small" driver core patches for 4.11-rc1.
 
 Not much here, some firmware documentation and self-test updates, a
 debugfs code formatting issue, and a new feature for call_usermodehelper
 to make it more robust on systems that want to lock it down in a more
 secure way.
 
 All of these have been linux-next for a while now with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the "small" driver core patches for 4.11-rc1.

  Not much here, some firmware documentation and self-test updates, a
  debugfs code formatting issue, and a new feature for call_usermodehelper
  to make it more robust on systems that want to lock it down in a more
  secure way.

  All of these have been linux-next for a while now with no reported
  issues"

* tag 'driver-core-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  kernfs: handle null pointers while printing node name and path
  Introduce STATIC_USERMODEHELPER to mediate call_usermodehelper()
  Make static usermode helper binaries constant
  kmod: make usermodehelper path a const string
  firmware: revamp firmware documentation
  selftests: firmware: send expected errors to /dev/null
  selftests: firmware: only modprobe if driver is missing
  platform: Print the resource range if device failed to claim
  kref: prefer atomic_inc_not_zero to atomic_add_unless
  debugfs: improve formatting of debugfs_real_fops()
2017-02-22 11:44:32 -08:00
Linus Torvalds
e30aee9e10 char/misc driver patches for 4.11-rc1
Here is the big char/misc driver patchset for 4.11-rc1.
 
 Lots of different driver subsystems updated here.  Rework for the hyperv
 subsystem to handle new platforms better, mei and w1 and extcon driver
 updates, as well as a number of other "minor" driver updates.  Full
 details are in the shortlog below.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the big char/misc driver patchset for 4.11-rc1.

  Lots of different driver subsystems updated here: rework for the
  hyperv subsystem to handle new platforms better, mei and w1 and extcon
  driver updates, as well as a number of other "minor" driver updates.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (169 commits)
  goldfish: Sanitize the broken interrupt handler
  x86/platform/goldfish: Prevent unconditional loading
  vmbus: replace modulus operation with subtraction
  vmbus: constify parameters where possible
  vmbus: expose hv_begin/end_read
  vmbus: remove conditional locking of vmbus_write
  vmbus: add direct isr callback mode
  vmbus: change to per channel tasklet
  vmbus: put related per-cpu variable together
  vmbus: callback is in softirq not workqueue
  binder: Add support for file-descriptor arrays
  binder: Add support for scatter-gather
  binder: Add extra size to allocator
  binder: Refactor binder_transact()
  binder: Support multiple /dev instances
  binder: Deal with contexts in debugfs
  binder: Support multiple context managers
  binder: Split flat_binder_object
  auxdisplay: ht16k33: remove private workqueue
  auxdisplay: ht16k33: rework input device initialization
  ...
2017-02-22 11:38:22 -08:00
Linus Torvalds
8ff546b801 USB/PHY patches for 4.11-rc1
Here is the big USB and PHY driver updates for 4.11-rc1.
 
 Nothing major, just the normal amount of churn in the usb gadget and dwc
 and xhci controllers, new device ids, new phy drivers, a new usb-serial
 driver, and a few other minor changes in different USB drivers.
 
 All have been in linux-next for a long time with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/PHY updates from Greg KH:
 "Here is the big USB and PHY driver updates for 4.11-rc1.

  Nothing major, just the normal amount of churn in the usb gadget and
  dwc and xhci controllers, new device ids, new phy drivers, a new
  usb-serial driver, and a few other minor changes in different USB
  drivers.

  All have been in linux-next for a long time with no reported issues"

* tag 'usb-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (265 commits)
  usb: cdc-wdm: remove logically dead code
  USB: serial: keyspan: drop header file
  USB: serial: io_edgeport: drop io-tables header file
  usb: musb: add code comment for clarification
  usb: misc: add USB251xB/xBi Hi-Speed Hub Controller Driver
  usb: misc: usbtest: remove redundant check on retval < 0
  USB: serial: upd78f0730: sort device ids
  USB: serial: upd78f0730: add ID for EVAL-ADXL362Z
  ohci-hub: fix typo in dbg_port macro
  usb: musb: dsps: Manage CPPI 4.1 DMA interrupt in DSPS
  usb: musb: tusb6010: Clean up tusb_omap_dma structure
  usb: musb: cppi_dma: Clean up cppi41_dma_controller structure
  usb: musb: cppi_dma: Clean up cppi structure
  usb: musb: cppi41: Detect aborted transfers in cppi41_dma_callback()
  usb: musb: dma: Add a DMA completion platform callback
  drivers: usb: usbip: Add missing break statement to switch
  usb: mtu3: remove redundant dev_err call in get_ssusb_rscs()
  USB: serial: mos7840: fix another NULL-deref at open
  USB: serial: console: clean up sanity checks
  USB: serial: console: fix uninitialised spinlock
  ...
2017-02-22 11:15:59 -08:00
Linus Torvalds
ca78d3173c arm64 updates for 4.11:
- Errata workarounds for Qualcomm's Falkor CPU
 - Qualcomm L2 Cache PMU driver
 - Qualcomm SMCCC firmware quirk
 - Support for DEBUG_VIRTUAL
 - CPU feature detection for userspace via MRS emulation
 - Preliminary work for the Statistical Profiling Extension
 - Misc cleanups and non-critical fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:
 - Errata workarounds for Qualcomm's Falkor CPU
 - Qualcomm L2 Cache PMU driver
 - Qualcomm SMCCC firmware quirk
 - Support for DEBUG_VIRTUAL
 - CPU feature detection for userspace via MRS emulation
 - Preliminary work for the Statistical Profiling Extension
 - Misc cleanups and non-critical fixes

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (74 commits)
  arm64/kprobes: consistently handle MRS/MSR with XZR
  arm64: cpufeature: correctly handle MRS to XZR
  arm64: traps: correctly handle MRS/MSR with XZR
  arm64: ptrace: add XZR-safe regs accessors
  arm64: include asm/assembler.h in entry-ftrace.S
  arm64: fix warning about swapper_pg_dir overflow
  arm64: Work around Falkor erratum 1003
  arm64: head.S: Enable EL1 (host) access to SPE when entered at EL2
  arm64: arch_timer: document Hisilicon erratum 161010101
  arm64: use is_vmalloc_addr
  arm64: use linux/sizes.h for constants
  arm64: uaccess: consistently check object sizes
  perf: add qcom l2 cache perf events driver
  arm64: remove wrong CONFIG_PROC_SYSCTL ifdef
  ARM: smccc: Update HVC comment to describe new quirk parameter
  arm64: do not trace atomic operations
  ACPI/IORT: Fix the error return code in iort_add_smmu_platform_device()
  ACPI/IORT: Fix iort_node_get_id() mapping entries indexing
  arm64: mm: enable CONFIG_HOLES_IN_ZONE for NUMA
  perf: xgene: Include module.h
  ...
2017-02-22 10:46:44 -08:00
Linus Torvalds
a4ee7bacd6 ARC updates for 4.11 rc1
- Intc imporvements [Yuriy]
 
  - VDK platform updates [Alexey]
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Merge tag 'arc-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC updates from Vineet Gupta:

 - Intc imporvements [Yuriy]

 - VDK platform updates [Alexey]

* tag 'arc-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: [plat-*] ARC_HAS_COH_CACHES no longer relevant
  ARCv2: intc: Delete useless comments in Device Trees
  ARCv2: IDU-intc: Delete deprecated parameters in Device Trees
  ARCv2: IDU-intc: mask all common interrupts by default
  ARCv2: IDU-intc: Use build registers for getting numbers of interrupts
  ARCv2: intc: Set default priority for all core interrupts
  ARCv2: intc: Use runtime value of irq count for setting up intc
  ARCv2: intc: Rework the build time irq count information
  ARC: [intc-*]: confine NR_CPU_IRQS to intc code
  ARCv2: intc: Use ARC_REG_STATUS32 for addressing STATUS32 reg
  arc: vdk: Add support of UIO
  arc: vdk: Add support of MMC controller
  arc: vdk: Disable halt on reset
2017-02-22 10:33:53 -08:00
Linus Torvalds
38705613b7 powerpc updates for 4.11 part 1.
Highlights include:
 
  - Support for direct mapped LPC on POWER9, giving Linux direct access to
    devices that may be on there such as a UART.
 
  - Memory hotplug support for the Power9 Radix MMU.
 
  - Add new AUX vectors describing the processor's cache geometry, to be used by
    glibc.
 
  - The ability for a guest to ask the hypervisor to resize the guest's hash
    table, and in addition support for doing so automatically when memory is
    hotplugged into/out-of the guest. This allows the hash table to be sized
    based on the current memory usage of the guest, rather than the maximum
    possible memory usage.
 
  - Implementation of optprobes (kprobe optimisation) for powerpc.
 
 In addition there's the topic branch shared with the KVM tree, which includes
 support for guests to use the Radix MMU on Power9.
 
 Thanks to:
   Alistair Popple, Andrew Donnellan, Aneesh Kumar K.V, Anju T, Anton Blanchard,
   Benjamin Herrenschmidt, Chris Packham, Daniel Axtens, Daniel Borkmann, David
   Gibson, Finn Thain, Gautham R. Shenoy, Gavin Shan, Greg Kurz, Joel Stanley,
   John Allen, Madhavan Srinivasan, Mahesh Salgaonkar, Markus Elfring, Michael
   Neuling, Nathan Fontenot, Naveen N. Rao, Nicholas Piggin, Paul Mackerras, Ravi
   Bangoria, Reza Arbab, Shailendra Singh, Vaibhav Jain, Wei Yongjun.
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Merge tag 'powerpc-4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "Highlights include:

   - Support for direct mapped LPC on POWER9, giving Linux direct access
     to devices that may be on there such as a UART.

   - Memory hotplug support for the Power9 Radix MMU.

   - Add new AUX vectors describing the processor's cache geometry, to
     be used by glibc.

   - The ability for a guest to ask the hypervisor to resize the guest's
     hash table, and in addition support for doing so automatically when
     memory is hotplugged into/out-of the guest. This allows the hash
     table to be sized based on the current memory usage of the guest,
     rather than the maximum possible memory usage.

   - Implementation of optprobes (kprobe optimisation) for powerpc.

  In addition there's the topic branch shared with the KVM tree, which
  includes support for guests to use the Radix MMU on Power9.

  Thanks to:
    Alistair Popple, Andrew Donnellan, Aneesh Kumar K.V, Anju T, Anton
    Blanchard, Benjamin Herrenschmidt, Chris Packham, Daniel Axtens,
    Daniel Borkmann, David Gibson, Finn Thain, Gautham R. Shenoy, Gavin
    Shan, Greg Kurz, Joel Stanley, John Allen, Madhavan Srinivasan,
    Mahesh Salgaonkar, Markus Elfring, Michael Neuling, Nathan Fontenot,
    Naveen N. Rao, Nicholas Piggin, Paul Mackerras, Ravi Bangoria, Reza
    Arbab, Shailendra Singh, Vaibhav Jain, Wei Yongjun"

* tag 'powerpc-4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (129 commits)
  powerpc/mm/radix: Skip ptesync in pte update helpers
  powerpc/mm/radix: Use ptep_get_and_clear_full when clearing pte for full mm
  powerpc/mm/radix: Update pte update sequence for pte clear case
  powerpc/mm: Update PROTFAULT handling in the page fault path
  powerpc/xmon: Fix data-breakpoint
  powerpc/mm: Fix build break with BOOK3S_64=n and MEMORY_HOTPLUG=y
  powerpc/mm: Fix build break when CMA=n && SPAPR_TCE_IOMMU=y
  powerpc/mm: Fix build break with RADIX=y & HUGETLBFS=n
  powerpc/pseries: Fix typo in parameter description
  powerpc/kprobes: Remove kprobe_exceptions_notify()
  kprobes: Introduce weak variant of kprobe_exceptions_notify()
  powerpc/ftrace: Fix confusing help text for DISABLE_MPROFILE_KERNEL
  powerpc/powernv: Fix opal_exit tracepoint opcode
  powerpc: Add a prototype for mcount() so it can be versioned
  powerpc: Drop GPL from of_node_to_nid() export to match other arches
  powerpc/kprobes: Optimize kprobe in kretprobe_trampoline()
  powerpc/kprobes: Implement Optprobes
  powerpc/kprobes: Fixes for kprobe_lookup_name() on BE
  powerpc: Add helper to check if offset is within relative branch range
  powerpc/bpf: Introduce __PPC_SH64()
  ...
2017-02-22 10:30:38 -08:00
Linus Torvalds
ff47d8c050 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:

 - New entropy generation for the pseudo random number generator.

 - Early boot printk output via sclp to help debug crashes on boot. This
   needs to be enabled with a kernel parameter.

 - Add proper no-execute support with a bit in the page table entry.

 - Bug fixes and cleanups.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (65 commits)
  s390/syscall: fix single stepped system calls
  s390/zcrypt: make ap_bus explicitly non-modular
  s390/zcrypt: Removed unneeded debug feature directory creation.
  s390: add missing "do {} while (0)" loop constructs to multiline macros
  s390/mm: add cond_resched call to kernel page table dumper
  s390: get rid of MACHINE_HAS_PFMF and MACHINE_HAS_HPAGE
  s390/mm: make memory_block_size_bytes available for !MEMORY_HOTPLUG
  s390: replace ACCESS_ONCE with READ_ONCE
  s390: Audit and remove any remaining unnecessary uses of module.h
  s390: mm: Audit and remove any unnecessary uses of module.h
  s390: kernel: Audit and remove any unnecessary uses of module.h
  s390/kdump: Use "LINUX" ELF note name instead of "CORE"
  s390: add no-execute support
  s390: report new vector facilities
  s390: use correct input data address for setup_randomness
  s390/sclp: get rid of common response code handling
  s390/sclp: don't add new lines to each printed string
  s390/sclp: make early sclp code readable
  s390/sclp: disable early sclp code as soon as the base sclp driver is active
  s390/sclp: move early printk code to drivers
  ...
2017-02-22 10:20:04 -08:00
Linus Torvalds
3051bf36c2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
 "Highlights:

   1) Support TX_RING in AF_PACKET TPACKET_V3 mode, from Sowmini
      Varadhan.

   2) Simplify classifier state on sk_buff in order to shrink it a bit.
      From Willem de Bruijn.

   3) Introduce SIPHASH and it's usage for secure sequence numbers and
      syncookies. From Jason A. Donenfeld.

   4) Reduce CPU usage for ICMP replies we are going to limit or
      suppress, from Jesper Dangaard Brouer.

   5) Introduce Shared Memory Communications socket layer, from Ursula
      Braun.

   6) Add RACK loss detection and allow it to actually trigger fast
      recovery instead of just assisting after other algorithms have
      triggered it. From Yuchung Cheng.

   7) Add xmit_more and BQL support to mvneta driver, from Simon Guinot.

   8) skb_cow_data avoidance in esp4 and esp6, from Steffen Klassert.

   9) Export MPLS packet stats via netlink, from Robert Shearman.

  10) Significantly improve inet port bind conflict handling, especially
      when an application is restarted and changes it's setting of
      reuseport. From Josef Bacik.

  11) Implement TX batching in vhost_net, from Jason Wang.

  12) Extend the dummy device so that VF (virtual function) features,
      such as configuration, can be more easily tested. From Phil
      Sutter.

  13) Avoid two atomic ops per page on x86 in bnx2x driver, from Eric
      Dumazet.

  14) Add new bpf MAP, implementing a longest prefix match trie. From
      Daniel Mack.

  15) Packet sample offloading support in mlxsw driver, from Yotam Gigi.

  16) Add new aquantia driver, from David VomLehn.

  17) Add bpf tracepoints, from Daniel Borkmann.

  18) Add support for port mirroring to b53 and bcm_sf2 drivers, from
      Florian Fainelli.

  19) Remove custom busy polling in many drivers, it is done in the core
      networking since 4.5 times. From Eric Dumazet.

  20) Support XDP adjust_head in virtio_net, from John Fastabend.

  21) Fix several major holes in neighbour entry confirmation, from
      Julian Anastasov.

  22) Add XDP support to bnxt_en driver, from Michael Chan.

  23) VXLAN offloads for enic driver, from Govindarajulu Varadarajan.

  24) Add IPVTAP driver (IP-VLAN based tap driver) from Sainath Grandhi.

  25) Support GRO in IPSEC protocols, from Steffen Klassert"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1764 commits)
  Revert "ath10k: Search SMBIOS for OEM board file extension"
  net: socket: fix recvmmsg not returning error from sock_error
  bnxt_en: use eth_hw_addr_random()
  bpf: fix unlocking of jited image when module ronx not set
  arch: add ARCH_HAS_SET_MEMORY config
  net: napi_watchdog() can use napi_schedule_irqoff()
  tcp: Revert "tcp: tcp_probe: use spin_lock_bh()"
  net/hsr: use eth_hw_addr_random()
  net: mvpp2: enable building on 64-bit platforms
  net: mvpp2: switch to build_skb() in the RX path
  net: mvpp2: simplify MVPP2_PRS_RI_* definitions
  net: mvpp2: fix indentation of MVPP2_EXT_GLOBAL_CTRL_DEFAULT
  net: mvpp2: remove unused register definitions
  net: mvpp2: simplify mvpp2_bm_bufs_add()
  net: mvpp2: drop useless fields in mvpp2_bm_pool and related code
  net: mvpp2: remove unused 'tx_skb' field of 'struct mvpp2_tx_queue'
  net: mvpp2: release reference to txq_cpu[] entry after unmapping
  net: mvpp2: handle too large value in mvpp2_rx_time_coal_set()
  net: mvpp2: handle too large value handling in mvpp2_rx_pkts_coal_set()
  net: mvpp2: remove useless arguments in mvpp2_rx_{pkts, time}_coal_set
  ...
2017-02-22 10:15:09 -08:00
Jia Hongtao
0d4b7bf120 dt-bindings: Update QorIQ TMU thermal bindings
For different types of SoC the sensor id and endianness may vary.
"#thermal-sensor-cells" is used to provide sensor id information.
"little-endian" property is to tell the endianness of TMU.

Signed-off-by: Jia Hongtao <hongtao.jia@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2017-02-22 15:29:30 +08:00
Linus Torvalds
7bb033829e This renames the (now inaccurate) CONFIG_DEBUG_RODATA and related config
CONFIG_SET_MODULE_RONX to the more sensible CONFIG_STRICT_KERNEL_RWX and
 CONFIG_STRICT_MODULE_RWX.
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Merge tag 'rodata-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull rodata updates from Kees Cook:
 "This renames the (now inaccurate) DEBUG_RODATA and related
  SET_MODULE_RONX configs to the more sensible STRICT_KERNEL_RWX and
  STRICT_MODULE_RWX"

* tag 'rodata-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  arch: Rename CONFIG_DEBUG_RODATA and CONFIG_DEBUG_MODULE_RONX
  arch: Move CONFIG_DEBUG_RODATA and CONFIG_SET_MODULE_RONX to be common
2017-02-21 17:56:45 -08:00
Linus Torvalds
97a229f907 dmaengine updates for 4.11-rc1
This time we fairly boring and bit small update.
 
 - Support for Intel iDMA 32-bit hardware
 - deprecate broken support for channel switching in async_tx
 - bunch of updates on stm32-dma
 - Cyclic support for zx dma and making in generic zx dma driver
 - Small updates to bunch of other drivers
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Merge tag 'dmaengine-4.11-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "This time we fairly boring and bit small update.

   - Support for Intel iDMA 32-bit hardware
   - deprecate broken support for channel switching in async_tx
   - bunch of updates on stm32-dma
   - Cyclic support for zx dma and making in generic zx dma driver
   - Small updates to bunch of other drivers"

* tag 'dmaengine-4.11-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (29 commits)
  async_tx: deprecate broken support for channel switching
  dmaengine: rcar-dmac: Widen DMA mask to 40 bits
  dmaengine: sun6i: allow build on ARM64 platforms (sun50i)
  dmaengine: Provide a wrapper for memcpy operations
  dmaengine: zx: fix build warning
  dmaengine: dw: we do support Merrifield SoC in PCI mode
  dmaengine: dw: add support of iDMA 32-bit hardware
  dmaengine: dw: introduce register mappings for iDMA 32-bit
  dmaengine: dw: introduce block2bytes() and bytes2block()
  dmaengine: dw: extract dwc_chan_pause() for future use
  dmaengine: dw: replace convert_burst() with one liner
  dmaengine: dw: register IRQ and DMA pool with instance ID
  dmaengine: dw: Fix data corruption in large device to memory transfers
  dmaengine: ste_dma40: indicate granularity on channels
  dmaengine: ste_dma40: indicate directions on channels
  dmaengine: stm32-dma: Add error messages if xlate fails
  dmaengine: dw: pci: remove LPE Audio DMA ID
  dmaengine: stm32-dma: Add max_burst support
  dmaengine: stm32-dma: Add synchronization support
  dmaengine: stm32-dma: Fix residue computation issue in cyclic mode
  ...
2017-02-21 17:06:22 -08:00
Linus Torvalds
ff58d005cd media updates for v4.11-rc1
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Merge tag 'media/v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - new drivers:
       - i.MX6 Video Data Order Adapter's (VDOA)
       - Toshiba et8ek8 5MP sensor
       - STM DELTA multi-format video decoder V4L2 driver
       - SPI connected IR LED
       - Mediatek IR remote receiver
       - ZyDAS ZD1301 DVB USB interface driver

 - new RC keymaps

 - some very old LIRC drivers got removed from staging

 - RC core gained support encoding IR scan codes

 - DVB si2168 gained support for DVBv5 statistics

 - lirc_sir driver ported to rc-core and promoted from staging

 - other bug fixes, board additions and driver improvements

* tag 'media/v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (230 commits)
  [media] mtk-vcodec: fix build warnings without DEBUG
  [media] zd1301: fix building interface driver without demodulator
  [media] usbtv: add sharpness control
  [media] cxusb: Use a dma capable buffer also for reading
  [media] ttpci: address stringop overflow warning
  [media] dvb-usb-v2: avoid use-after-free
  [media] add Hama Hybrid DVB-T Stick support
  [media] et8ek8: Fix compiler / Coccinelle warnings
  [media] media: fix semicolon.cocci warnings
  [media] media: exynos4-is: add flags to dummy Exynos IS i2c adapter
  [media] v4l: of: check for unique lanes in data-lanes and clock-lanes
  [media] coda/imx-vdoa: constify structs
  [media] st-delta: debug: trace stream/frame information & summary
  [media] st-delta: add mjpeg support
  [media] st-delta: EOS (End Of Stream) support
  [media] st-delta: rpmsg ipc support
  [media] st-delta: add memory allocator helper functions
  [media] st-delta: STiH4xx multi-format video decoder v4l2 driver
  [media] MAINTAINERS: add st-delta driver
  [media] ARM: multi_v7_defconfig: enable STMicroelectronics DELTA Support
  ...
2017-02-21 16:58:32 -08:00
Linus Torvalds
5ab356626f Pin control bulk changes for the v4.11 kernel cycle:
Core changes:
 
 - Switch the generic pin config argument from 16 to 24 bits,
   only use 8 bits for the configuration type. We might need to
   encode more information about a certain setting than we need
   to encode different generic settings.
 
 - Add a cross-talk API to the pin control GPIO back-end,
   utilizing pinctrl_gpio_set_config() from GPIO drivers that
   want to set up a certain pin configuration in the back-end.
   This also includes the .set_config() refactoring of the
   GPIO chips, so that they pass a generic configuration for
   things like debouncing and single ended (typically open
   drain). This change has also been merged in an immutable
   branch to the GPIO tree.
 
 - Take hogs with a delayed work, so that we finalize probing
   a pin controller before trying to get any hogs.
 
 - For pin controllers putting all group and function definitions
   into the device tree, we now have generic code to deal with
   this and it is used in two drivers so far.
 
 - Simplifications of the pin request conflict check.
 
 - Make dt_free_map() optional.
 
 Updates to drivers:
 
 - pinctrl-single now use the generic helpers to generate dynamic
   group and function tables from the device tree.
 
 - Texas Instruments IOdelay configuration driver add-on to
   pinctrl-single.
 
 - i.MX: use radix trees to store groups and functions, use the new
   generic group and function helpers to manage them.
 
 - Intel: add support for hardware debouncing and 1K pull-down.
   New subdriver for the Gemini Lake SoC.
 
 - Renesas SH-PFC: drive strength and bias support, CAN bus muxing,
   MSIOF, SDHI, HSCIF for r8a7796. Gyro-ADC supporton r8a7791.
 
 - Aspeed: use syscon cross-dependencies to set up related bits in
   the LPC host controller and display controller.
 
 - Aspeed: finalize G4 and G5 support. Fix mux configuration on
   GPIOs. Add banks Y, Z, AA, AB and AC.
 
 - AMD: support additional GPIO.
 
 - STM32: set this controller to strict muxing mode.
   STM32H743 MCU support.
 
 - Allwinner sunxi: deep simplifications on how to support
   subvariants of SoCs without adding to much SoC-specific data
   for each subvariant, especially for sun5i variants. New driver
   for V3s SoCs. New driver for the H5 SoC. Support A31/A31s
   variants with the new variant framework.
 
 - Mvebu: simplifications to use a MMIO and regmap abstraction.
   New subdrivers for the 98DX3236, 98DX5241 SoCs.
 
 - Samsung Exynos: delete Exynos4415 support. Add crosstalk to the
   SoC driver to access regmaps. Add infrastructure for pin-bank
   retention control. Clean out the pin retention control from
   arch/arm/mach-exynos and arch/arm/mach-s5p and put it properly
   in the Samsung pin control driver(s).
 
 - Meson: add HDMI HPD/DDC pins. Add pwm_ao_b pin.
 
 - Qualcomm: use raw spinlock variants: this makes the qualcomm
   driver realtime-safe.
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Merge tag 'pinctrl-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "Pin control bulk changes for the v4.11 kernel cycle.

  Core changes:

   - Switch the generic pin config argument from 16 to 24 bits, only use
     8 bits for the configuration type. We might need to encode more
     information about a certain setting than we need to encode
     different generic settings.

   - Add a cross-talk API to the pin control GPIO back-end, utilizing
     pinctrl_gpio_set_config() from GPIO drivers that want to set up a
     certain pin configuration in the back-end.

     This also includes the .set_config() refactoring of the GPIO chips,
     so that they pass a generic configuration for things like
     debouncing and single ended (typically open drain). This change has
     also been merged in an immutable branch to the GPIO tree.

   - Take hogs with a delayed work, so that we finalize probing a pin
     controller before trying to get any hogs.

   - For pin controllers putting all group and function definitions into
     the device tree, we now have generic code to deal with this and it
     is used in two drivers so far.

   - Simplifications of the pin request conflict check.

   - Make dt_free_map() optional.

  Updates to drivers:

   - pinctrl-single now use the generic helpers to generate dynamic
     group and function tables from the device tree.

   - Texas Instruments IOdelay configuration driver add-on to
     pinctrl-single.

   - i.MX: use radix trees to store groups and functions, use the new
     generic group and function helpers to manage them.

   - Intel: add support for hardware debouncing and 1K pull-down. New
     subdriver for the Gemini Lake SoC.

   - Renesas SH-PFC: drive strength and bias support, CAN bus muxing,
     MSIOF, SDHI, HSCIF for r8a7796. Gyro-ADC supporton r8a7791.

   - Aspeed: use syscon cross-dependencies to set up related bits in the
     LPC host controller and display controller.

   - Aspeed: finalize G4 and G5 support. Fix mux configuration on GPIOs.
     Add banks Y, Z, AA, AB and AC.

   - AMD: support additional GPIO.

   - STM32: set this controller to strict muxing mode. STM32H743 MCU
     support.

   - Allwinner sunxi: deep simplifications on how to support subvariants
     of SoCs without adding to much SoC-specific data for each
     subvariant, especially for sun5i variants. New driver for V3s SoCs.
     New driver for the H5 SoC. Support A31/A31s variants with the new
     variant framework.

   - Mvebu: simplifications to use a MMIO and regmap abstraction. New
     subdrivers for the 98DX3236, 98DX5241 SoCs.

   - Samsung Exynos: delete Exynos4415 support. Add crosstalk to the SoC
     driver to access regmaps. Add infrastructure for pin-bank retention
     control. Clean out the pin retention control from
     arch/arm/mach-exynos and arch/arm/mach-s5p and put it properly in
     the Samsung pin control driver(s).

   - Meson: add HDMI HPD/DDC pins. Add pwm_ao_b pin.

   - Qualcomm: use raw spinlock variants: this makes the qualcomm driver
     realtime-safe"

* tag 'pinctrl-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (111 commits)
  pinctrl: samsung: Fix return value check in samsung_pinctrl_get_soc_data()
  pinctrl: intel: unlock on error in intel_config_set_pull()
  pinctrl: berlin: make bool drivers explicitly non-modular
  pinctrl: spear: make bool drivers explicitly non-modular
  pinctrl: mvebu: make bool drivers explicitly non-modular
  pinctrl: sunxi: make sun5i explicitly non-modular
  pinctrl: sunxi: Remove stray printk call in sun5i driver's probe function
  pinctrl: samsung: mark PM functions as __maybe_unused
  pinctrl: sunxi: Remove redundant A31s pinctrl driver
  pinctrl: sunxi: Support A31/A31s with pinctrl variants
  pinctrl: Amend bindings for STM32 pinctrl
  pinctrl: Add STM32 pinctrl driver DT bindings
  pinctrl: stm32: Add STM32H743 MCU support
  include: dt-bindings: Add STM32H7 pinctrl DT defines
  gpio: aspeed: Remove dependence on GPIOF_* macros
  pinctrl: stm32: fix bad location of gpiochip_lock_as_irq
  drivers: pinctrl: add driver for Allwinner H5 SoC
  pinctrl: intel: Add Intel Gemini Lake pin controller support
  pinctrl: intel: Add support for 1k additional pull-down
  pinctrl: intel: Add support for hardware debouncer
  ...
2017-02-21 16:34:22 -08:00
Gregory CLEMENT
34f54f579a rtc: armada38x: Add support for Armada 7K/8K
The Armada 7K/8K use the same RTC IP than the Armada 38x. However the SOC
integration differs in 2 points:
 - MBUS bridge timing initialization
 - IRQ configuration at SoC level

Moreover the Armada 7K/8K have an issue preventing to get the interrupt
from alarm 1. This commit allows to use alarm 2 for these A7K/8K but to
still use alarm 1 for the Armada 38x.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-02-21 23:21:30 +01:00
Linus Torvalds
0f002fddbe MIPS changes for v4.11
Miscellaneous:
  - Add IRQ stacks
  - Add cacheinfo support
  - Add "uzImage.bin" zboot target
  - Unify performance counter definitions
  - Export various (mainly assembly) symbols alongside their
    definitions
  - Audit and remove unnecessary uses of module.h
 
 kexec & kdump:
  - Lots of improvements and fixes
  - Add correct copy_regs implementations
  - Add debug logging of new kernel information
 
 Security:
  - Use Makefile.postlink to insert relocations into vmlinux
  - Provide plat_post_relocation hook (used for Octeon KASLR)
  - Add support for tuning mmap randomisation
  - Relocate DTB
 
 microMIPS:
  - A load of unwind fixes
  - Add some missing .insn to fix link errors
 
 MIPSr6:
  - Fix MULTU/MADDU/MSUBU sign extension in r2 emulation
  - Remove r2_emul_return and use ERETNC unconditionally on MIPSr6
  - Allow pre-r6 emulation on SMP MIPSr6 kernels
 
 Cache management:
  - Treat physically indexed dcache as non-aliasing
  - Add return errors to protected cache ops for KVM
  - CM3: Ensure L1 & L2 cache ECC checking matches
  - CM3: Indicate inclusive caches
  - I6400: Treat dcache as physically indexed
 
 Memory management:
  - Ensure bootmem doesn't corrupt reserved memory
  - Export some TLB exception generation functions for KVM
 
 OF
  - NULL check initial_boot_params before use in of_scan_flat_dt()
  - Fix unaligned access in of_alias_scan()
 
 SMP:
  - CPS: Don't BUG if a CPU fails to start
 
 Other fixes
  - Fix longstanding 64-bit IP checksum carry bug
  - Fix KERN_CONT fallout in cpu-bugs64.c and sync-r4k.c
  - Update defconfigs for NF_CT_PROTO_DCCP, DPLITE,
    CPU_FREQ_STAT,SCSI_DH changes
  - Disable certain builtin compiler options, stack-check (whole
    kernel), asynchronous-unwind-tables (VDSO).
  - A bunch of build fixes from kernelci.org testing
  - Various other minor cleanups & corrections
 
 BMIPS:
  - Migrate interrupts during bmips_cpu_disable
  - BCM47xx: Add Luxul devices
  - BCM47xx: Fix Asus WL-500W button inversion
  - BCM7xxx: Add SPI device nodes
 
 Generic (multiplatform):
  - Add kexec DTB passing
  - Fix big endian
  - Add cpp_its_S in ksym_dep_filter to silence build warning
 
 IP22:
  - Reformat inline assembler code to modern standards
  - Fix binutils 2.25 build error
 
 IP27:
  - Fix duplicate CAC_BASE definition build error
  - Disable qlge driver to workaround broken compiler
 
 Lantiq:
  - Refresh defconfig and activate more drivers
  - Lock DMA register access
  - Fix cascading IRQ setup
  - Fix build of VPE loader
  - xway: Fix ethernet packet header corruption over reboot
 
 Loongson1
  - Add watchdog support
  - 1B: Reduce DEFAULT_MEMSIZE to 64MB
  - 1B: Change OSC clock name to match rest of kernel
  - 1C: Remove ARCH_WANT_OPTIONAL_GPIOLIB
 
 Octeon:
  - Add KASLR support
  - Support Octeon III USB controller
  - Fix large copy_from_user corner case
  - Enable devtmpfs in defconfig
 
 Netlogic:
  - Fix non-default XLR build error due to netlogic,xlp-pic code
  - Fix assembler warning from smpboot.S
 
 pic32mzda:
  - Fix linker error when early printk is disabled
 
 Pistachio:
  - Add base device tree
  - Add Ci40 "Marduk" device tree
 
 Ralink:
  - Support raw appended DTB
  - Add missing I2C & I2S clocks
  - Add missing pinmux and fix pinmux function name typo
  - Add missing clk_round_rate()
  - Clean up prom_init()
  - MT7621: Set SoC type
  - MT7621: Support highmem
 
 TXx9:
  - Modernize printing of kernel messages and resolve KERN_CONT fallout
  - 7segled: use permission-specific DEVICE_ATTR variants
 
 XilFPGA:
  - Add IRQ controller and UART IRQ
  - Add AXI I2C and emaclite to DT & defconfig
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Merge tag 'mips_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips

Pull MIPS updates from James Hogan:
 "Here's the main MIPS pull request for 4.11.

  It contains a few new features such as IRQ stacks, cacheinfo support,
  and KASLR for Octeon CPUs, and a variety of smaller improvements and
  fixes including devicetree additions, kexec cleanups, microMIPS stack
  unwinding fixes, and a bunch of build fixes to clean up continuous
  integration builds.

  Its all been in linux-next for at least a couple of days, most of it
  far longer.

  Miscellaneous:
   - Add IRQ stacks
   - Add cacheinfo support
   - Add "uzImage.bin" zboot target
   - Unify performance counter definitions
   - Export various (mainly assembly) symbols alongside their
     definitions
   - Audit and remove unnecessary uses of module.h

  kexec & kdump:
   - Lots of improvements and fixes
   - Add correct copy_regs implementations
   - Add debug logging of new kernel information

  Security:
   - Use Makefile.postlink to insert relocations into vmlinux
   - Provide plat_post_relocation hook (used for Octeon KASLR)
   - Add support for tuning mmap randomisation
   - Relocate DTB

  microMIPS:
   - A load of unwind fixes
   - Add some missing .insn to fix link errors

  MIPSr6:
   - Fix MULTU/MADDU/MSUBU sign extension in r2 emulation
   - Remove r2_emul_return and use ERETNC unconditionally on MIPSr6
   - Allow pre-r6 emulation on SMP MIPSr6 kernels

  Cache management:
   - Treat physically indexed dcache as non-aliasing
   - Add return errors to protected cache ops for KVM
   - CM3: Ensure L1 & L2 cache ECC checking matches
   - CM3: Indicate inclusive caches
   - I6400: Treat dcache as physically indexed

  Memory management:
   - Ensure bootmem doesn't corrupt reserved memory
   - Export some TLB exception generation functions for KVM

  OF:
   - NULL check initial_boot_params before use in of_scan_flat_dt()
   - Fix unaligned access in of_alias_scan()

  SMP:
   - CPS: Don't BUG if a CPU fails to start

  Other fixes:
   - Fix longstanding 64-bit IP checksum carry bug
   - Fix KERN_CONT fallout in cpu-bugs64.c and sync-r4k.c
   - Update defconfigs for NF_CT_PROTO_DCCP, DPLITE,
     CPU_FREQ_STAT,SCSI_DH changes
   - Disable certain builtin compiler options, stack-check (whole
     kernel), asynchronous-unwind-tables (VDSO).
   - A bunch of build fixes from kernelci.org testing
   - Various other minor cleanups & corrections

  BMIPS:
   - Migrate interrupts during bmips_cpu_disable
   - BCM47xx: Add Luxul devices
   - BCM47xx: Fix Asus WL-500W button inversion
   - BCM7xxx: Add SPI device nodes

  Generic (multiplatform):
   - Add kexec DTB passing
   - Fix big endian
   - Add cpp_its_S in ksym_dep_filter to silence build warning

  IP22:
   - Reformat inline assembler code to modern standards
   - Fix binutils 2.25 build error

  IP27:
   - Fix duplicate CAC_BASE definition build error
   - Disable qlge driver to workaround broken compiler

  Lantiq:
   - Refresh defconfig and activate more drivers
   - Lock DMA register access
   - Fix cascading IRQ setup
   - Fix build of VPE loader
   - xway: Fix ethernet packet header corruption over reboot

  Loongson1
   - Add watchdog support
   - 1B: Reduce DEFAULT_MEMSIZE to 64MB
   - 1B: Change OSC clock name to match rest of kernel
   - 1C: Remove ARCH_WANT_OPTIONAL_GPIOLIB

  Octeon:
   - Add KASLR support
   - Support Octeon III USB controller
   - Fix large copy_from_user corner case
   - Enable devtmpfs in defconfig

  Netlogic:
   - Fix non-default XLR build error due to netlogic,xlp-pic code
   - Fix assembler warning from smpboot.S

  pic32mzda:
   - Fix linker error when early printk is disabled

  Pistachio:
   - Add base device tree
   - Add Ci40 "Marduk" device tree

  Ralink:
   - Support raw appended DTB
   - Add missing I2C & I2S clocks
   - Add missing pinmux and fix pinmux function name typo
   - Add missing clk_round_rate()
   - Clean up prom_init()
   - MT7621: Set SoC type
   - MT7621: Support highmem

  TXx9:
   - Modernize printing of kernel messages and resolve KERN_CONT fallout
   - 7segled: use permission-specific DEVICE_ATTR variants

  XilFPGA:
   - Add IRQ controller and UART IRQ
   - Add AXI I2C and emaclite to DT & defconfig"

* tag 'mips_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips: (148 commits)
  MIPS: VDSO: Explicitly use -fno-asynchronous-unwind-tables
  MIPS: BCM47XX: Fix button inversion for Asus WL-500W
  MIPS: DTS: Add img directory to Makefile
  MIPS: ip27: Disable qlge driver in defconfig
  MIPS: pic32mzda: Fix linker error for pic32_get_pbclk()
  MIPS: Lantiq: Keep ethernet enabled during boot
  MIPS: OCTEON: Fix copy_from_user fault handling for large buffers
  MIPS: Fix special case in 64 bit IP checksumming.
  MIPS: OCTEON: Enable DEVTMPFS
  MIPS: lantiq: Set physical_memsize
  MIPS: sysmips: Remove duplicated include from syscall.c
  Kbuild: Add cpp_its_S in ksym_dep_filter
  MIPS: Audit and remove any unnecessary uses of module.h
  MIPS: Unify perf counter register definitions
  MIPS: Disable stack checks on MIPS kernels
  MIPS: OCTEON: Platform support for OCTEON III USB controller
  MIPS: Lantiq: Fix cascaded IRQ setup
  MIPS: sync-r4k: Fix KERN_CONT fallout
  MIPS: IRQ Stack: Fix erroneous jal to plat_irq_dispatch
  MIPS: Fix distclean with Makefile.postlink
  ...
2017-02-21 14:21:11 -08:00
Bjorn Helgaas
bcea623c65 Merge branch 'pci/host-rockchip' into next
* pci/host-rockchip:
  PCI: rockchip: Set vendor ID from local core config space
  PCI: rockchip: Fix rockchip_pcie_probe() error path to free resource list
  PCI: rockchip: Mark PM functions as __maybe_unused
  PCI: rockchip: Use readl_poll_timeout() instead of open-coding it
  PCI: rockchip: Disable RC's ASPM L0s based on DT "aspm-no-l0s"
  PCI: rockchip: Add system PM support
2017-02-21 15:15:44 -06:00
Bjorn Helgaas
56195e9d1d Merge branch 'pci/host-rcar' into next
* pci/host-rcar:
  PCI: rcar: Use of_device_get_match_data() to simplify probe
  PCI: rcar: Add compatible string for r8a7796
  PCI: rcar: Return -ENODEV from host bridge probe when no card present
2017-02-21 15:15:39 -06:00
Bjorn Helgaas
dda718926c Merge branch 'pci/host-mvebu' into next
* pci/host-mvebu:
  PCI: mvebu: Change delay after reset to the PCIe spec mandated 100ms
  PCI: mvebu: Handle changes to the bridge windows while enabled
2017-02-21 15:15:34 -06:00
Bjorn Helgaas
d952097158 Merge branch 'pci/host-hisi' into next
* pci/host-hisi:
  PCI: generic: Call pci_fixup_irqs() only on ARM
  PCI: Disable MSI for HiSilicon Hip06/Hip07 Root Ports
  PCI: hisi: Rename config space accessors to remove "acpi"
  PCI: hisi: Add DT almost-ECAM support for Hip06/Hip07 host controllers
  PCI: hisi: Use of_device_get_match_data() to simplify probe

Conflicts:
	drivers/pci/dwc/pcie-hisi.c
2017-02-21 15:14:18 -06:00