Link to the generic GPIO specifier bindings now that the second cell of
the binding has some support in the driver.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add NULL check before dereferencing pointer of_id in order to avoid
a potential NULL pointer dereference.
Addresses-Coverity-ID: 1408830
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add NULL check before dereferencing pointer of_id in order to avoid
a potential NULL pointer dereference.
Addresses-Coverity-ID: 1408829
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The request should be resent when DMA transfer error occurred.
For rts5227, the clock rate needs to be reduced when error occurred.
Signed-off-by: Steven Feng <steven_feng@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
As axp20x-regulator now supports AXP803, add a cell for it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Remove the restart handler registered in probe on device remove.
Fixes: a370f60a58 ("mfd: rn5t618: Register restart handler")
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Since a copy of the pdata was added into the core struct in
commit f6dd8449cd ("mfd: wm831x: Add basic device tree binding")
the pdata pointer in probe can no longer be NULL. As such remove
the redundant checks for this case.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
These hexdumps get printed no matter if CONFIG_DEBUG is set or
not. Just get rid of them.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Intel Cannonlake PCH has the same LPSS than Intel Kabylake. Add the new IDs
to the list of supported devices.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
the drm_file parameter is unused, so remove it.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
ea_inode feature allows creating extended attributes that are up to
64k in size. Update __ext4_new_inode() to pick increased credit limits.
To avoid overallocating too many journal credits, update
__ext4_xattr_set_credits() to make a distinction between xattr create
vs update. This helps __ext4_new_inode() because all attributes are
known to be new, so we can save credits that are normally needed to
delete old values.
Also, have fscrypt specify its maximum context size so that we don't
end up allocating credits for 64k size.
Signed-off-by: Tahsin Erdogan <tahsin@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Extended attribute inodes are internal to ext4. Adding encryption/security
related attributes on them would mean dealing with nested calls into ea code.
Since they have no direct exposure to user mode, just avoid creating ea
entries for them.
Signed-off-by: Tahsin Erdogan <tahsin@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Fixes for 4.13:
- Various fixes for Raven
- Various fixes for Vega10
- Stability fixes for KIQ
- Fix reloading the driver
- Fix S3 on vega10
- Misc other fixes
* 'drm-next-4.13' of git://people.freedesktop.org/~agd5f/linux: (26 commits)
drm/amd/powerplay: fix bug fail to remove sysfs when rmmod amdgpu.
amdgpu: Set cik/si_support to 1 by default if radeon isn't built
drm/amdgpu/gfx9: fix driver reload with KIQ
drm/amdgpu/gfx8: fix driver reload with KIQ
drm/amdgpu: Don't call amd_powerplay_destroy() if we don't have powerplay
drm/ttm: Fix use-after-free in ttm_bo_clean_mm
drm/amd/amdgpu: move get memory type function from early init to sw init
drm/amdgpu/cgs: always set reference clock in mode_info
drm/amdgpu: fix vblank_time when displays are off
drm/amd/powerplay: power value format change for Vega10
drm/amdgpu/gfx9: support the amdgpu.disable_cu option
drm/amd/powerplay: change PPSMC_MSG_GetCurrPkgPwr for Vega10
drm/amdgpu: Make amdgpu_cs_parser_init static (v2)
drm/amdgpu/cs: fix a typo in a comment
drm/amdgpu: Fix the exported always on CU bitmap
drm/amdgpu/gfx9: gfx_v9_0_enable_gfx_static_mg_power_gating() can be static
drm/amdgpu/psp: upper_32_bits/lower_32_bits for address setup
drm/amd/powerplay/cz: print message if smc message fails
drm/amdgpu: fix typo in amdgpu_debugfs_test_ib_init
drm/amdgpu: enable mmhub pg on raven
...
When a CIFS filesystem is mounted with the forcemand option and the
following command is run on it, lockdep warns about a circular locking
dependency between CifsInodeInfo::lock_sem and the inode lock.
while echo foo > hello; do :; done & while touch -c hello; do :; done
cifs_writev() takes the locks in the wrong order, but note that we can't
only flip the order around because it releases the inode lock before the
call to generic_write_sync() while it holds the lock_sem across that
call.
But, AFAICS, there is no need to hold the CifsInodeInfo::lock_sem across
the generic_write_sync() call either, so we can release both the locks
before generic_write_sync(), and change the order.
======================================================
WARNING: possible circular locking dependency detected
4.12.0-rc7+ #9 Not tainted
------------------------------------------------------
touch/487 is trying to acquire lock:
(&cifsi->lock_sem){++++..}, at: cifsFileInfo_put+0x88f/0x16a0
but task is already holding lock:
(&sb->s_type->i_mutex_key#11){+.+.+.}, at: utimes_common+0x3ad/0x870
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&sb->s_type->i_mutex_key#11){+.+.+.}:
__lock_acquire+0x1f74/0x38f0
lock_acquire+0x1cc/0x600
down_write+0x74/0x110
cifs_strict_writev+0x3cb/0x8c0
__vfs_write+0x4c1/0x930
vfs_write+0x14c/0x2d0
SyS_write+0xf7/0x240
entry_SYSCALL_64_fastpath+0x1f/0xbe
-> #0 (&cifsi->lock_sem){++++..}:
check_prevs_add+0xfa0/0x1d10
__lock_acquire+0x1f74/0x38f0
lock_acquire+0x1cc/0x600
down_write+0x74/0x110
cifsFileInfo_put+0x88f/0x16a0
cifs_setattr+0x992/0x1680
notify_change+0x61a/0xa80
utimes_common+0x3d4/0x870
do_utimes+0x1c1/0x220
SyS_utimensat+0x84/0x1a0
entry_SYSCALL_64_fastpath+0x1f/0xbe
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&sb->s_type->i_mutex_key#11);
lock(&cifsi->lock_sem);
lock(&sb->s_type->i_mutex_key#11);
lock(&cifsi->lock_sem);
*** DEADLOCK ***
2 locks held by touch/487:
#0: (sb_writers#10){.+.+.+}, at: mnt_want_write+0x41/0xb0
#1: (&sb->s_type->i_mutex_key#11){+.+.+.}, at: utimes_common+0x3ad/0x870
stack backtrace:
CPU: 0 PID: 487 Comm: touch Not tainted 4.12.0-rc7+ #9
Call Trace:
dump_stack+0xdb/0x185
print_circular_bug+0x45b/0x790
__lock_acquire+0x1f74/0x38f0
lock_acquire+0x1cc/0x600
down_write+0x74/0x110
cifsFileInfo_put+0x88f/0x16a0
cifs_setattr+0x992/0x1680
notify_change+0x61a/0xa80
utimes_common+0x3d4/0x870
do_utimes+0x1c1/0x220
SyS_utimensat+0x84/0x1a0
entry_SYSCALL_64_fastpath+0x1f/0xbe
Fixes: 19dfc1f5f2 ("cifs: fix the race in cifs_writev()")
Signed-off-by: Rabin Vincent <rabinv@axis.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
Currently oparms.create_options is uninitialized and the code is logically
or'ing in CREATE_OPEN_BACKUP_INTENT onto a garbage value of
oparms.create_options from the stack. Fix this by just setting the value
rather than or'ing in the setting.
Detected by CoverityScan, CID#1447220 ("Unitialized scale value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
In cifs_call_async, server may respond as soon as I/O is submitted. Because
mid entry is freed on the return path, it should not be modified after I/O
is submitted.
cifs_save_when_sent modifies the sent timestamp in mid entry, and should not
be called after I/O. Call it before I/O.
Signed-off-by: Long Li <longli@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Hi,
attached patch adds more missing mappings for the 0x01-0x1f range. Please
review, if you're fine with it, considere it also for stable.
Björn
>From a97720c26db2ee77d4e798e3d383fcb6a348bd29 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Jacke?= <bjacke@samba.org>
Date: Wed, 31 May 2017 22:48:41 +0200
Subject: [PATCH] cifs: add SFM mapping for 0x01-0x1F
0x1-0x1F has to be mapped to 0xF001-0xF01F
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
Some functions are only referenced under an #ifdef, causing a harmless
warning:
fs/cifs/smb2ops.c:1374:1: error: 'get_smb2_acl' defined but not used [-Werror=unused-function]
We could mark them __maybe_unused or add another #ifdef, I picked
the second approach here.
Fixes: b3fdda4d1e1b ("cifs: Use smb 2 - 3 and cifsacl mount options getacl functions")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Steve French <smfrench@gmail.com>
Fill in smb2/3 query acl functions in ops structures and use them.
Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Add definition and declaration of function to get cifs acls when
mounting with smb version 2 onwards to 3.
Extend/Alter query info function to allocate and return
security descriptors within the response.
Not yet handling the error case when the size of security descriptors
in response to query exceeds SMB2_MAX_BUFFER_SIZE.
Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Add new config option that dumps AES keys to the console when they are
generated. This is obviously for debugging purposes only, and should not
be enabled otherwise.
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Steve French <smfrench@gmail.com>
Pull another parisc update from Helge Deller:
"Christoph Hellwig provided one patch for the parisc architecture to
drop the DMA_ERROR_CODE define from the parisc architecture"
* 'parisc-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: ->mapping_error
Pull mnt namespace updates from Eric Biederman:
"A big break-through came during this development cycle as a way was
found to maintain the existing umount -l semantics while allowing for
optimizations that improve the performance. That is represented by the
first change in this series moving the reparenting of mounts into
their own pass. This has allowed addressing the horrific performance
of umount -l on a carefully crafted tree of mounts with locks held
(0.06s vs 60s in my testing). What allowed this was not changing where
umounts propagate to while propgating umounts.
The next change fixes the case where the order of the mount whose
umount are being progated visits a tree where the mounts are stacked
upon each other in another order. This is weird but not hard to
implement.
The final change takes advantage of the unchanging mount propgation
tree to skip parts of the mount propgation tree that have already been
visited. Yielding a very nice speed up in the worst case.
There remains one outstanding question about the semantics of umount -l
that I am still discussiong with Ram Pai. In practice that area of the
semantics was changed by 1064f874ab ("mnt: Tuck mounts under others
instead of creating shadow/side mounts.") and no regressions have been
reported. Still I intend to finish talking that out with him to ensure
there is not something a more intense use of mount propagation in the
future will not cause to become significant"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
mnt: Make propagate_umount less slow for overlapping mount propagation trees
mnt: In propgate_umount handle visiting mounts in any order
mnt: In umount propagation reparent in a separate pass
1. Andreas Gruenbacher has four patches related to cleaning up the GFS2
inode evict process. This is about half of his patches designed to
fix a long-standing GFS2 hang related to the inode shrinker.
(Shrinker calls gfs2 evict, evict calls DLM, DLM requires memory
and blocks on the shrinker.) These 4 patches have been well tested.
His second set of patches are still being tested, so I plan to hold
them until the next merge window, after we have more weeks of testing.
The first patch eliminates the flush_delayed_work, which can block.
2. Andreas's second patch protects setting of gl_object for rgrps with
a spin_lock to prevent proven races.
3. His third patch introduces a centralized mechanism for queueing glock
work with better reference counting, to prevent more races.
4. His fourth patch retains a reference to inode glocks when an error
occurs while creating an inode. This keeps the subsequent evict from
needing to reacquire the glock, which might call into DLM and block
in low memory conditions.
5. Arvind Yadav has a patch to add const to attribute_group structures.
6. I have a patch to detect directory entry inconsistencies and withdraw
the file system if any are found. Better that than silent corruption.
7. I have a patch to remove a vestigial variable from glock structures,
saving some slab space.
8. I have another patch to remove a vestigial variable from the GFS2
in-core superblock structure.
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Merge tag 'gfs2-4.13.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull GFS2 updates from Bob Peterson:
"We've got eight GFS2 patches for this merge window:
- Andreas Gruenbacher has four patches related to cleaning up the
GFS2 inode evict process. This is about half of his patches
designed to fix a long-standing GFS2 hang related to the inode
shrinker: Shrinker calls gfs2 evict, evict calls DLM, DLM requires
memory and blocks on the shrinker.
These four patches have been well tested. His second set of patches
are still being tested, so I plan to hold them until the next merge
window, after we have more weeks of testing. The first patch
eliminates the flush_delayed_work, which can block.
- Andreas's second patch protects setting of gl_object for rgrps with
a spin_lock to prevent proven races.
- His third patch introduces a centralized mechanism for queueing
glock work with better reference counting, to prevent more races.
-His fourth patch retains a reference to inode glocks when an error
occurs while creating an inode. This keeps the subsequent evict
from needing to reacquire the glock, which might call into DLM and
block in low memory conditions.
- Arvind Yadav has a patch to add const to attribute_group
structures.
- I have a patch to detect directory entry inconsistencies and
withdraw the file system if any are found. Better that than silent
corruption.
- I have a patch to remove a vestigial variable from glock
structures, saving some slab space.
- I have another patch to remove a vestigial variable from the GFS2
in-core superblock structure"
* tag 'gfs2-4.13.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
GFS2: constify attribute_group structures.
gfs2: gfs2_create_inode: Keep glock across iput
gfs2: Clean up glock work enqueuing
gfs2: Protect gl->gl_object by spin lock
gfs2: Get rid of flush_delayed_work in gfs2_evict_inode
GFS2: Eliminate vestigial sd_log_flush_wrapped
GFS2: Remove gl_list from glock structure
GFS2: Withdraw when directory entry inconsistencies are detected
Pull btrfs updates from David Sterba:
"The core updates improve error handling (mostly related to bios), with
the usual incremental work on the GFP_NOFS (mis)use removal,
refactoring or cleanups. Except the two top patches, all have been in
for-next for an extensive amount of time.
User visible changes:
- statx support
- quota override tunable
- improved compression thresholds
- obsoleted mount option alloc_start
Core updates:
- bio-related updates:
- faster bio cloning
- no allocation failures
- preallocated flush bios
- more kvzalloc use, memalloc_nofs protections, GFP_NOFS updates
- prep work for btree_inode removal
- dir-item validation
- qgoup fixes and updates
- cleanups:
- removed unused struct members, unused code, refactoring
- argument refactoring (fs_info/root, caller -> callee sink)
- SEARCH_TREE ioctl docs"
* 'for-4.13-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (115 commits)
btrfs: Remove false alert when fiemap range is smaller than on-disk extent
btrfs: Don't clear SGID when inheriting ACLs
btrfs: fix integer overflow in calc_reclaim_items_nr
btrfs: scrub: fix target device intialization while setting up scrub context
btrfs: qgroup: Fix qgroup reserved space underflow by only freeing reserved ranges
btrfs: qgroup: Introduce extent changeset for qgroup reserve functions
btrfs: qgroup: Fix qgroup reserved space underflow caused by buffered write and quotas being enabled
btrfs: qgroup: Return actually freed bytes for qgroup release or free data
btrfs: qgroup: Cleanup btrfs_qgroup_prepare_account_extents function
btrfs: qgroup: Add quick exit for non-fs extents
Btrfs: rework delayed ref total_bytes_pinned accounting
Btrfs: return old and new total ref mods when adding delayed refs
Btrfs: always account pinned bytes when dropping a tree block ref
Btrfs: update total_bytes_pinned when pinning down extents
Btrfs: make BUG_ON() in add_pinned_bytes() an ASSERT()
Btrfs: make add_pinned_bytes() take an s64 num_bytes instead of u64
btrfs: fix validation of XATTR_ITEM dir items
btrfs: Verify dir_item in iterate_object_props
btrfs: Check name_len before in btrfs_del_root_ref
btrfs: Check name_len before reading btrfs_get_name
...
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Don't try to check PageError since that's potentially racy and not
necessarily going to be set after writepage errors out.
Instead, check the mapping for an error after writepage returns. That
should also help us detect errors that occurred if the VM tried to
clean the page earlier due to memory pressure.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
There are a couple places where jfs calls write_one_page() where clean
recovery is not possible. In these cases, the file system should be
marked dirty. To do this, it is now necessary to store the superblock in
the metapage structure.
Link: http://lkml.kernel.org/r/db45ab67-55c7-08ff-6776-f76b3bf5cbf5@oracle.com
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Cc: Jeff Layton <jlayton@redhat.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
The callers all set it to 1.
Also, make it clear that this function will not set any sort of AS_*
error, and that the caller must do so if necessary. No existing caller
uses this on normal files, so none of them need it.
Also, add __must_check here since, in general, the callers need to handle
an error here in some fashion.
Link: http://lkml.kernel.org/r/20170525103303.6524-1-jlayton@redhat.com
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Pull timer-related user access updates from Al Viro:
"Continuation of timers-related stuff (there had been more, but my
parts of that series are already merged via timers/core). This is more
of y2038 work by Deepa Dinamani, partially disrupted by the
unification of native and compat timers-related syscalls"
* 'timers-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
posix_clocks: Use get_itimerspec64() and put_itimerspec64()
timerfd: Use get_itimerspec64() and put_itimerspec64()
nanosleep: Use get_timespec64() and put_timespec64()
posix-timers: Use get_timespec64() and put_timespec64()
posix-stubs: Conditionally include COMPAT_SYS_NI defines
time: introduce {get,put}_itimerspec64
time: add get_timespec64 and put_timespec64
Pull read/write updates from Al Viro:
"Christoph's fs/read_write.c series - consolidation and cleanups"
* 'work.read_write' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
nfsd: remove nfsd_vfs_read
nfsd: use vfs_iter_read/write
fs: implement vfs_iter_write using do_iter_write
fs: implement vfs_iter_read using do_iter_read
fs: move more code into do_iter_read/do_iter_write
fs: remove __do_readv_writev
fs: remove do_compat_readv_writev
fs: remove do_readv_writev
IPOIB is calling free_rdma_netdev even though alloc_rdma_netdev has
returned -EOPNOTSUPP.
Move free_rdma_netdev from ib_device structure to rdma_netdev structure
thus ensuring proper cleanup function is called for the rdma net device.
Fix the following trace:
ib0: Failed to modify QP to ERROR state
BUG: unable to handle kernel paging request at 0000000000001d20
IP: hfi1_vnic_free_rn+0x26/0xb0 [hfi1]
Call Trace:
ipoib_remove_one+0xbe/0x160 [ib_ipoib]
ib_unregister_device+0xd0/0x170 [ib_core]
rvt_unregister_device+0x29/0x90 [rdmavt]
hfi1_unregister_ib_device+0x1a/0x100 [hfi1]
remove_one+0x4b/0x220 [hfi1]
pci_device_remove+0x39/0xc0
device_release_driver_internal+0x141/0x200
driver_detach+0x3f/0x80
bus_remove_driver+0x55/0xd0
driver_unregister+0x2c/0x50
pci_unregister_driver+0x2a/0xa0
hfi1_mod_cleanup+0x10/0xf65 [hfi1]
SyS_delete_module+0x171/0x250
do_syscall_64+0x67/0x150
entry_SYSCALL64_slow_path+0x25/0x25
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Pull wait syscall updates from Al Viro:
"Consolidating sys_wait* and compat counterparts.
Gets rid of set_fs()/double-copy mess, simplifies the whole thing
(lifting the copyouts to the syscalls means less headache in the part
that does actual work - fewer failure exits, to start with), gets rid
of the overhead of field-by-field __put_user()"
* 'work.sys_wait' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
osf_wait4: switch to kernel_wait4()
waitid(): switch copyout of siginfo to unsafe_put_user()
wait_task_zombie: consolidate info logics
kill wait_noreap_copyout()
lift getrusage() from wait_noreap_copyout()
waitid(2): leave copyout of siginfo to syscall itself
kernel_wait4()/kernel_waitid(): delay copying status to userland
wait4(2)/waitid(2): separate copying rusage to userland
move compat wait4 and waitid next to native variants
Pull misc user access cleanups from Al Viro:
"The first pile is assorted getting rid of cargo-culted access_ok(),
cargo-culted set_fs() and field-by-field copyouts.
The same description applies to a lot of stuff in other branches -
this is just the stuff that didn't fit into a more specific topical
branch"
* 'work.misc-set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
Switch flock copyin/copyout primitives to copy_{from,to}_user()
fs/fcntl: return -ESRCH in f_setown when pid/pgid can't be found
fs/fcntl: f_setown, avoid undefined behaviour
fs/fcntl: f_setown, allow returning error
lpfc debugfs: get rid of pointless access_ok()
adb: get rid of pointless access_ok()
isdn: get rid of pointless access_ok()
compat statfs: switch to copy_to_user()
fs/locks: don't mess with the address limit in compat_fcntl64
nfsd_readlink(): switch to vfs_get_link()
drbd: ->sendpage() never needed set_fs()
fs/locks: pass kernel struct flock to fcntl_getlk/setlk
fs: locks: Fix some troubles at kernel-doc comments
A zone ID is a 32 bits unsigned int which can overflow when doing the
bit shifts in dmz_start_sect(). With a 256 MB zone size drive, the
overflow happens for a zone ID >= 8192.
Fix this by casting the zone ID to a sector_t before doing the bit
shift. While at it, similarly fix dmz_start_block().
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Every developer always thinks that _their_ code is so special and
magical that it should be enabled by default.
And most of them are completely and utterly wrong. That's definitely
the case when you write a specialty driver for a very unsual "security
processor". It does *not* get to mark itself as "default m".
If you solve world hunger, and make a driver that cures people of
cancer, by all means enable it by default. But afaik, the Cavium
CNN55XX does neither.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
DMA_ERROR_CODE already went away in linux-next, but parisc unfortunately
added a new instance of it without any review as far as I can tell.
Move the two iommu drivers to report errors through ->mapping_error.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Helge Deller <deller@gmx.de>
Pull networking updates from David Miller:
"Reasonably busy this cycle, but perhaps not as busy as in the 4.12
merge window:
1) Several optimizations for UDP processing under high load from
Paolo Abeni.
2) Support pacing internally in TCP when using the sch_fq packet
scheduler for this is not practical. From Eric Dumazet.
3) Support mutliple filter chains per qdisc, from Jiri Pirko.
4) Move to 1ms TCP timestamp clock, from Eric Dumazet.
5) Add batch dequeueing to vhost_net, from Jason Wang.
6) Flesh out more completely SCTP checksum offload support, from
Davide Caratti.
7) More plumbing of extended netlink ACKs, from David Ahern, Pablo
Neira Ayuso, and Matthias Schiffer.
8) Add devlink support to nfp driver, from Simon Horman.
9) Add RTM_F_FIB_MATCH flag to RTM_GETROUTE queries, from Roopa
Prabhu.
10) Add stack depth tracking to BPF verifier and use this information
in the various eBPF JITs. From Alexei Starovoitov.
11) Support XDP on qed device VFs, from Yuval Mintz.
12) Introduce BPF PROG ID for better introspection of installed BPF
programs. From Martin KaFai Lau.
13) Add bpf_set_hash helper for TC bpf programs, from Daniel Borkmann.
14) For loads, allow narrower accesses in bpf verifier checking, from
Yonghong Song.
15) Support MIPS in the BPF selftests and samples infrastructure, the
MIPS eBPF JIT will be merged in via the MIPS GIT tree. From David
Daney.
16) Support kernel based TLS, from Dave Watson and others.
17) Remove completely DST garbage collection, from Wei Wang.
18) Allow installing TCP MD5 rules using prefixes, from Ivan
Delalande.
19) Add XDP support to Intel i40e driver, from Björn Töpel
20) Add support for TC flower offload in nfp driver, from Simon
Horman, Pieter Jansen van Vuuren, Benjamin LaHaise, Jakub
Kicinski, and Bert van Leeuwen.
21) IPSEC offloading support in mlx5, from Ilan Tayari.
22) Add HW PTP support to macb driver, from Rafal Ozieblo.
23) Networking refcount_t conversions, From Elena Reshetova.
24) Add sock_ops support to BPF, from Lawrence Brako. This is useful
for tuning the TCP sockopt settings of a group of applications,
currently via CGROUPs"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1899 commits)
net: phy: dp83867: add workaround for incorrect RX_CTRL pin strap
dt-bindings: phy: dp83867: provide a workaround for incorrect RX_CTRL pin strap
cxgb4: Support for get_ts_info ethtool method
cxgb4: Add PTP Hardware Clock (PHC) support
cxgb4: time stamping interface for PTP
nfp: default to chained metadata prepend format
nfp: remove legacy MAC address lookup
nfp: improve order of interfaces in breakout mode
net: macb: remove extraneous return when MACB_EXT_DESC is defined
bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case
bpf: fix return in load_bpf_file
mpls: fix rtm policy in mpls_getroute
net, ax25: convert ax25_cb.refcount from atomic_t to refcount_t
net, ax25: convert ax25_route.refcount from atomic_t to refcount_t
net, ax25: convert ax25_uid_assoc.refcount from atomic_t to refcount_t
net, sctp: convert sctp_ep_common.refcnt from atomic_t to refcount_t
net, sctp: convert sctp_transport.refcnt from atomic_t to refcount_t
net, sctp: convert sctp_chunk.refcnt from atomic_t to refcount_t
net, sctp: convert sctp_datamsg.refcnt from atomic_t to refcount_t
net, sctp: convert sctp_auth_bytes.refcnt from atomic_t to refcount_t
...
The patch below updated xfs_dq_get_next_id() to use the XFS iext
lookup helpers to locate the next quota id rather than to seek for
data in the quota file. The updated code fails to correctly handle
the case where the quota inode might have contiguous chunks part of
the same extent. In this case, the start block offset is calculated
based on the next expected id but the extent lookup returns the same
start offset as for the previous chunk. This causes the returned id
to go backwards and livelocks the quota iteration. This problem is
reproduced intermittently by generic/232.
To handle this case, check whether the startoff from the extent
lookup is behind the startoff calculated from the next quota id. If
so, bump up got.br_startoff to the specific file offset that is
expected to hold the next dquot chunk.
Fixes: bda250dbaf ("xfs: rewrite xfs_dq_get_next_id using xfs_iext_lookup_extent")
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
- typo fix in Kconfig (Jean Delvare)
- randstruct infrastructure
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Merge tag 'gcc-plugins-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull GCC plugin updates from Kees Cook:
"The big part is the randstruct plugin infrastructure.
This is the first of two expected pull requests for randstruct since
there are dependencies in other trees that would be easier to merge
once those have landed. Notably, the IPC allocation refactoring in
-mm, and many trivial merge conflicts across several trees when
applying the __randomize_layout annotation.
As a result, it seemed like I should send this now since it is
relatively self-contained, and once the rest of the trees have landed,
send the annotation patches. I'm expecting the final phase of
randstruct (automatic struct selection) will land for v4.14, but if
its other tree dependencies actually make it for v4.13, I can send
that merge request too.
Summary:
- typo fix in Kconfig (Jean Delvare)
- randstruct infrastructure"
* tag 'gcc-plugins-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
ARM: Prepare for randomized task_struct
randstruct: Whitelist NIU struct page overloading
randstruct: Whitelist big_key path struct overloading
randstruct: Whitelist UNIXCB cast
randstruct: Whitelist struct security_hook_heads cast
gcc-plugins: Add the randstruct plugin
Fix English in description of GCC_PLUGIN_STRUCTLEAK
compiler: Add __designated_init annotation
gcc-plugins: Detail c-common.h location for GCC 4.6
- use memdup_user() instead of open-coded copies (Geliang Tang)
- fix record memory leak during initialization (Douglas Anderson)
- avoid confused compressed record warning (Ankit Kumar)
- prepopulate record timestamp and remove redundant logic from backends
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Merge tag 'pstore-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore updates from Kees Cook:
"Various fixes and tweaks for the pstore subsystem.
Highlights:
- use memdup_user() instead of open-coded copies (Geliang Tang)
- fix record memory leak during initialization (Douglas Anderson)
- avoid confused compressed record warning (Ankit Kumar)
- prepopulate record timestamp and remove redundant logic from
backends"
* tag 'pstore-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
powerpc/nvram: use memdup_user
pstore: use memdup_user
pstore: Fix format string to use %u for record id
pstore: Populate pstore record->time field
pstore: Create common record initializer
efi-pstore: Refactor erase routine
pstore: Avoid potential infinite loop
pstore: Fix leaked pstore_record in pstore_get_backend_records()
pstore: Don't warn if data is uncompressed and type is not PSTORE_TYPE_DMESG
Pull security layer updates from James Morris:
- a major update for AppArmor. From JJ:
* several bug fixes and cleanups
* the patch to add symlink support to securityfs that was floated
on the list earlier and the apparmorfs changes that make use of
securityfs symlinks
* it introduces the domain labeling base code that Ubuntu has been
carrying for several years, with several cleanups applied. And it
converts the current mediation over to using the domain labeling
base, which brings domain stacking support with it. This finally
will bring the base upstream code in line with Ubuntu and provide
a base to upstream the new feature work that Ubuntu carries.
* This does _not_ contain any of the newer apparmor mediation
features/controls (mount, signals, network, keys, ...) that
Ubuntu is currently carrying, all of which will be RFC'd on top
of this.
- Notable also is the Infiniband work in SELinux, and the new file:map
permission. From Paul:
"While we're down to 21 patches for v4.13 (it was 31 for v4.12),
the diffstat jumps up tremendously with over 2k of line changes.
Almost all of these changes are the SELinux/IB work done by
Daniel Jurgens; some other noteworthy changes include a NFS v4.2
labeling fix, a new file:map permission, and reporting of policy
capabilities on policy load"
There's also now genfscon labeling support for tracefs, which was
lost in v4.1 with the separation from debugfs.
- Smack incorporates a safer socket check in file_receive, and adds a
cap_capable call in privilege check.
- TPM as usual has a bunch of fixes and enhancements.
- Multiple calls to security_add_hooks() can now be made for the same
LSM, to allow LSMs to have hook declarations across multiple files.
- IMA now supports different "ima_appraise=" modes (eg. log, fix) from
the boot command line.
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (126 commits)
apparmor: put back designators in struct initialisers
seccomp: Switch from atomic_t to recount_t
seccomp: Adjust selftests to avoid double-join
seccomp: Clean up core dump logic
IMA: update IMA policy documentation to include pcr= option
ima: Log the same audit cause whenever a file has no signature
ima: Simplify policy_func_show.
integrity: Small code improvements
ima: fix get_binary_runtime_size()
ima: use ima_parse_buf() to parse template data
ima: use ima_parse_buf() to parse measurements headers
ima: introduce ima_parse_buf()
ima: Add cgroups2 to the defaults list
ima: use memdup_user_nul
ima: fix up #endif comments
IMA: Correct Kconfig dependencies for hash selection
ima: define is_ima_appraise_enabled()
ima: define Kconfig IMA_APPRAISE_BOOTPARAM option
ima: define a set of appraisal rules requiring file signatures
ima: extend the "ima_policy" boot command line to support multiple policies
...
Pull audit updates from Paul Moore:
"Things are relatively quiet on the audit front for v4.13, just five
patches for a total diffstat of 102 lines.
There are two patches from Richard to consistently record the POSIX
capabilities and add the ambient capability information as well.
I also chipped in two patches to fix a race condition with the auditd
tracking code and ensure we don't skip sending any records to the
audit multicast group.
Finally a single style fix that I accepted because I must have been in
a good mood that day.
Everything passes our test suite, and should be relatively harmless,
please merge for v4.13"
* 'stable-4.13' of git://git.infradead.org/users/pcmoore/audit:
audit: make sure we never skip the multicast broadcast
audit: fix a race condition with the auditd tracking code
audit: style fix
audit: add ambient capabilities to CAPSET and BPRM_FCAPS records
audit: unswing cap_* fields in PATH records
Pull printk updates from Petr Mladek:
- Store printk() messages into the main log buffer directly even in NMI
when the lock is available. It is the best effort to print even large
chunk of text. It is handy, for example, when all ftrace messages are
printed during the system panic in NMI.
- Add missing annotations to calm down compiler warnings
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
printk: add __printf attributes to internal functions
printk: Use the main logbuf in NMI when logbuf_lock is available
when hw_fini, pp will disable dpm.so remove sysfs before
disable dpm.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
