Turn r_ops into a flexible array member to enable large, consisting of
up to 16 ops, OSD requests. The use case is scattered writeback in
cephfs and, as far as the kernel client is concerned, 16 is just a made
up number.
r_ops had size 3 for copyup+hint+write, but copyup is really a special
case - it can only happen once. ceph_osd_request_cache is therefore
stuffed with num_ops=2 requests, anything bigger than that is allocated
with kmalloc(). req_mempool is backed by ceph_osd_request_cache, which
means either num_ops=1 or num_ops=2 for use_mempool=true - all existing
users (ceph_writepages_start(), ceph_osdc_writepages()) are fine with
that.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
ceph_osd_request_cache was introduced a long time ago. Also, osd_req
is about to get a flexible array member, which ceph_osd_request_cache
is going to be aware of.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Although msg_size is calculated correctly, the terms are grouped in
a misleading way - snaps appears to not have room for a u32 length.
Move calculation closer to its use and regroup terms.
No functional change.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This avoids defining large array of r_reply_op_{len,result} in
in struct ceph_osd_request.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
When rbytes mount option is enabled, directory size is recursive
size. Recursive size is not updated instantly. This can cause
directory size to change between successive stat(1)
Signed-off-by: Yan, Zheng <zyan@redhat.com>
This can happen if __close_session() in ceph_monc_stop() races with
a connection reset. We need to ignore such faults, otherwise it's
likely we would take !hunting, call __schedule_delayed() and end up
with delayed_work() executing on invalid memory, among other things.
The (two!) con->private tests are useless, as nothing ever clears
con->private. Nuke them.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Doing __schedule_delayed() in the hunting branch is pointless, as the
tick will have already been scheduled by then.
What we need to do instead is *reschedule* it in the !hunting branch,
after reopen_session() changes hunt_mult, which affects the delay.
This helps with spacing out connection attempts and avoiding things
like two back-to-back attempts followed by a longer period of waiting
around.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
hunting is now set in __open_session() and cleared in finish_hunting(),
instead of all around. The "session lost" message is printed not only
on connection resets, but also on keepalive timeouts.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Unless we are in the process of setting up a client (i.e. connecting to
the monitor cluster for the first time), apply a backoff: every time we
want to reopen a session, increase our timeout by a multiple (currently
2); when we complete the connection, reduce that multipler by 50%.
Mirrors ceph.git commit 794c86fd289bd62a35ed14368fa096c46736e9a2.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Split ping interval and ping timeout: ping interval is 10s; keepalive
timeout is 30s.
Make monc_ping_timeout a constant while at it - it's not actually
exported as a mount option (and the rest of tick-related settings won't
be either), so it's got no place in ceph_options.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Don't try to reconnect to the same monitor when we fail to establish
a session within a timeout or it's lost.
For that, pick_new_mon() needs to see the old value of cur_mon, so
don't clear it in __close_session() - all calls to __close_session()
but one are followed by __open_session() anyway. __open_session() is
only called when a new session needs to be established, so the "already
open?" branch, which is now in the way, is simply dropped.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
It is currently hard-coded in the mon_client that mdsmap and monmap
subs are continuous, while osdmap sub is always "onetime". To better
handle full clusters/pools in the osd_client, we need to be able to
issue continuous osdmap subs. Revamp subs code to allow us to specify
for each sub whether it should be continuous or not.
Although not strictly required for the above, switch to SUBSCRIBE2
protocol while at it, eliminating the ambiguity between a request for
"every map since X" and a request for "just the latest" when we don't
have a map yet (i.e. have epoch 0). SUBSCRIBE2 feature bit is now
required - it's been supported since pre-argonaut (2010).
Move "got mdsmap" call to the end of ceph_mdsc_handle_map() - calling
in before we validate the epoch and successfully install the new map
can mess up mon_client sub state.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Coupling hunting state with subscribe state is not a good idea. Clear
hunting when we complete the authentication handshake.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Our debugfs dir name is a concatenation of cluster fsid and client
unique ID ("global_id"). It used to be the case that we learned
global_id first, nowadays we always learn fsid first - the monmap is
sent before any auth replies are. ceph_debugfs_client_init() call in
ceph_monc_handle_map() is therefore never executed and can be removed.
Its counterpart in handle_auth_reply() doesn't really belong there
either: having to do monc->client and unlocking early to work around
lockdep is a testament to that. Move it into __ceph_open_session(),
where it can be called unconditionally.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This reverts commit e7223f1860.
It causes problems when a ppdev tries to register before the parport
driver has been registered with the device model. That will trigger the
BUG_ON(!drv->bus->p);
at drivers/base/driver.c:153. The call chain is
kernel_init ->
kernel_init_freeable ->
do_one_initcall ->
ppdev_init ->
__parport_register_driver ->
driver_register *BOOM*
Reported-by: kernel test robot <fengguang.wu@intel.com>
Reported-by: Ross Zwisler <zwisler@gmail.com>
Reported-by: Petr Mladek <pmladek@suse.com>
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Occurrences of timeval were supposed to be eliminated last round,
now remove a last forgotten one.
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Merge tag 'firewire-update2' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire leftover from Stefan Richter:
"Occurrences of timeval were supposed to be eliminated last round, now
remove a last forgotten one"
* tag 'firewire-update2' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: nosy: Replace timeval with timespec64
Pull drm fixes from Dave Airlie:
"Just a couple of dma-buf related fixes and some amdgpu fixes, along
with a regression fix for radeon off but default feature, but makes my
30" monitor happy again"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux:
drm/radeon/mst: cleanup code indentation
drm/radeon/mst: fix regression in lane/link handling.
drm/amdgpu: add invalidate_page callback for userptrs
drm/amdgpu: Revert "remove the userptr rmn->lock"
drm/amdgpu: clean up path handling for powerplay
drm/amd/powerplay: fix memory leak of tdp_table
dma-buf/fence: fix fence_is_later v2
dma-buf: Update docs for SYNC ioctl
drm: remove excess description
dma-buf, drm, ion: Propagate error code from dma_buf_start_cpu_access()
drm/atmel-hlcdc: use helper to get crtc state
drm/atomic: use helper to get crtc state
There are only three patches this time, most other changes to
files in include/asm-generic tend to go through the tree of whoever
depends on the change.
Two patches are cleanups for stuff that is no longer needed,
the main change is to adapt the generic version of BUG_ON()
for CONFIG_BUG=n to make it behave consistently with BUG().
This avoids undefined behavior along with a number of warnings
about that undefined behavior in randconfig builds when
we keep going on after hitting a BUG_ON().
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Merge tag 'asm-generic-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"There are only three patches this time, most other changes to files in
include/asm-generic tend to go through the tree of whoever depends on
the change.
Two patches are cleanups for stuff that is no longer needed, the main
change is to adapt the generic version of BUG_ON() for CONFIG_BUG=n to
make it behave consistently with BUG().
This avoids undefined behavior along with a number of warnings about
that undefined behavior in randconfig builds when we keep going on
after hitting a BUG_ON()"
* tag 'asm-generic-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
asm-generic: remove old nonatomic-io wrapper files
asm-generic: default BUG_ON(x) to if(x)BUG()
asm-generic: page.h: Remove useless get_user_page and free_user_page
some amd fixes
* 'drm-next-4.6' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon/mst: cleanup code indentation
drm/radeon/mst: fix regression in lane/link handling.
drm/amdgpu: add invalidate_page callback for userptrs
drm/amdgpu: Revert "remove the userptr rmn->lock"
drm/amdgpu: clean up path handling for powerplay
drm/amd/powerplay: fix memory leak of tdp_table
- Fix for an intel_pstate driver issue related to the handling of
MSR updates uncovered by the recent cpufreq rework (Rafael Wysocki).
- cpufreq core cleanups related to starting governors and frequency
synchronization during resume from system suspend and a locking
fix for cpufreq_quick_get() (Rafael Wysocki, Richard Cochran).
- acpi-cpufreq and powernv cpufreq driver updates (Jisheng Zhang,
Michael Neuling, Richard Cochran, Shilpasri Bhat).
- intel_idle driver update preventing some Skylake-H systems
from hanging during initialization by disabling deep C-states
mishandled by the platform in the problematic configurations (Len
Brown).
- Intel Xeon Phi Processor x200 support for intel_idle (Dasaratharaman
Chandramouli).
- cpuidle menu governor updates to make it always honor PM QoS
latency constraints (and prevent C1 from being used as the
fallback C-state on x86 when they are set below its exit latency)
and to restore the previous behavior to fall back to C1 if the next
timer event is set far enough in the future that was changed in 4.4
which led to an energy consumption regression (Rik van Riel, Rafael
Wysocki).
- New device ID for a future AMD UART controller in the ACPI driver
for AMD SoCs (Wang Hongcheng).
- Rockchip rk3399 support for the rockchip-io-domain adaptive voltage
scaling (AVS) driver (David Wu).
- ACPI PCI resources management fix for the handling of IO space
resources on architectures where the IO space is memory mapped
(IA64 and ARM64) broken by the introduction of common ACPI
resources parsing for PCI host bridges in 4.4 (Lorenzo Pieralisi).
- Fix for the ACPI backend of the generic device properties API
to make it parse non-device (data node only) children of an
ACPI device correctly (Irina Tirdea).
- Fixes for the handling of global suspend flags (introduced in 4.4)
during hibernation and resume from it (Lukas Wunner).
- Support for obtaining configuration information from Device Trees
in the PM clocks framework (Jon Hunter).
- ACPI _DSM helper code and devfreq framework cleanups (Colin Ian
King, Geert Uytterhoeven).
/
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Merge tag 'pm+acpi-4.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management and ACPI updates from Rafael Wysocki:
"The second batch of power management and ACPI updates for v4.6.
Included are fixups on top of the previous PM/ACPI pull request and
other material that didn't make into it but still should go into 4.6.
Among other things, there's a fix for an intel_pstate driver issue
uncovered by recent cpufreq changes, a workaround for a boot hang on
Skylake-H related to the handling of deep C-states by the platform and
a PCI/ACPI fix for the handling of IO port resources on non-x86
architectures plus some new device IDs and similar.
Specifics:
- Fix for an intel_pstate driver issue related to the handling of MSR
updates uncovered by the recent cpufreq rework (Rafael Wysocki).
- cpufreq core cleanups related to starting governors and frequency
synchronization during resume from system suspend and a locking fix
for cpufreq_quick_get() (Rafael Wysocki, Richard Cochran).
- acpi-cpufreq and powernv cpufreq driver updates (Jisheng Zhang,
Michael Neuling, Richard Cochran, Shilpasri Bhat).
- intel_idle driver update preventing some Skylake-H systems from
hanging during initialization by disabling deep C-states mishandled
by the platform in the problematic configurations (Len Brown).
- Intel Xeon Phi Processor x200 support for intel_idle
(Dasaratharaman Chandramouli).
- cpuidle menu governor updates to make it always honor PM QoS
latency constraints (and prevent C1 from being used as the fallback
C-state on x86 when they are set below its exit latency) and to
restore the previous behavior to fall back to C1 if the next timer
event is set far enough in the future that was changed in 4.4 which
led to an energy consumption regression (Rik van Riel, Rafael
Wysocki).
- New device ID for a future AMD UART controller in the ACPI driver
for AMD SoCs (Wang Hongcheng).
- Rockchip rk3399 support for the rockchip-io-domain adaptive voltage
scaling (AVS) driver (David Wu).
- ACPI PCI resources management fix for the handling of IO space
resources on architectures where the IO space is memory mapped
(IA64 and ARM64) broken by the introduction of common ACPI
resources parsing for PCI host bridges in 4.4 (Lorenzo Pieralisi).
- Fix for the ACPI backend of the generic device properties API to
make it parse non-device (data node only) children of an ACPI
device correctly (Irina Tirdea).
- Fixes for the handling of global suspend flags (introduced in 4.4)
during hibernation and resume from it (Lukas Wunner).
- Support for obtaining configuration information from Device Trees
in the PM clocks framework (Jon Hunter).
- ACPI _DSM helper code and devfreq framework cleanups (Colin Ian
King, Geert Uytterhoeven)"
* tag 'pm+acpi-4.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (23 commits)
PM / AVS: rockchip-io: add io selectors and supplies for rk3399
intel_idle: Support for Intel Xeon Phi Processor x200 Product Family
intel_idle: prevent SKL-H boot failure when C8+C9+C10 enabled
ACPI / PM: Runtime resume devices when waking from hibernate
PM / sleep: Clear pm_suspend_global_flags upon hibernate
cpufreq: governor: Always schedule work on the CPU running update
cpufreq: Always update current frequency before startig governor
cpufreq: Introduce cpufreq_update_current_freq()
cpufreq: Introduce cpufreq_start_governor()
cpufreq: powernv: Add sysfs attributes to show throttle stats
cpufreq: acpi-cpufreq: make Intel/AMD MSR access, io port access static
PCI: ACPI: IA64: fix IO port generic range check
ACPI / util: cast data to u64 before shifting to fix sign extension
cpufreq: powernv: Define per_cpu chip pointer to optimize hot-path
cpuidle: menu: Fall back to polling if next timer event is near
cpufreq: acpi-cpufreq: Clean up hot plug notifier callback
intel_pstate: Do not call wrmsrl_on_cpu() with disabled interrupts
cpufreq: Make cpufreq_quick_get() safe to call
ACPI / property: fix data node parsing in acpi_get_next_subnode()
ACPI / APD: Add device HID for future AMD UART controller
...
Drivers:
- abx80x: handle both XT and RC oscillators, XT failure bit and autocalibration
- m41t80: avoid out of range year values
- rv8803: workaround an i2c HW issue
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Merge tag 'rtc-4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull more RTC updates from Alexandre Belloni:
"A second pull request for v4.6 with a few fixesi before -rc1. The new
features for abx80x actually make the RTC behave correctly.
Drivers:
- abx80x: handle both XT and RC oscillators, XT failure bit and
autocalibration
- m41t80: avoid out of range year values
- rv8803: workaround an i2c HW issue"
* tag 'rtc-4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: abx80x: handle the oscillator failure bit
rtc: abx80x: handle autocalibration
rtc: rv8803: workaround i2c HW issue
rtc: mcp795: add devicetree support
rtc: asm9260: remove incorrect __init/__exit annotations
rtc: m41t80: avoid out of range year values
rtc: s3c: Don't print an error on probe deferral
rtc: rv3029: stop mentioning rv3029c2
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Merge tag 'hwmon-for-linus-v4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull more hwmon updates from Guenter Roeck:
"Update hwmon mailing list and web page"
* tag 'hwmon-for-linus-v4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
MAINTAINERS: Update mailing list and web page for hwmon subsystem
Pull block fixes from Jens Axboe:
"Final round of fixes for this merge window - some of this has come up
after the initial pull request, and some of it was put in a post-merge
branch before the merge window.
This contains:
- Fix for a bad check for an error on dma mapping in the mtip32xx
driver, from Alexey Khoroshilov.
- A set of fixes for lightnvm, from Javier, Matias, and Wenwei.
- An NVMe completion record corruption fix from Marta, ensuring that
we read things in the right order.
- Two writeback fixes from Tejun, marked for stable@ as well.
- A blk-mq sw queue iterator fix from Thomas, fixing an oops for
sparse CPU maps. They hit this in the hot plug/unplug rework"
* 'for-linus' of git://git.kernel.dk/linux-block:
nvme: avoid cqe corruption when update at the same time as read
writeback, cgroup: fix use of the wrong bdi_writeback which mismatches the inode
writeback, cgroup: fix premature wb_put() in locked_inode_to_wb_and_lock_list()
blk-mq: Use proper cpumask iterator
mtip32xx: fix checks for dma mapping errors
lightnvm: do not load L2P table if not supported
lightnvm: do not reserve lun on l2p loading
nvme: lightnvm: return ppa completion status
lightnvm: add a bitmap of luns
lightnvm: specify target's logical address area
null_blk: add lightnvm null_blk device to the nullb_list
NAND:
* Add sunxi_nand randomizer support
* begin refactoring NAND ecclayout structs
* fix pxa3xx_nand dmaengine usage
* brcmnand: fix support for v7.1 controller
* add Qualcomm NAND controller driver
SPI NOR:
* add new ls1021a, ls2080a support to Freescale QuadSPI
* add new flash ID entries
* support bottom-block protection for Winbond flash
* support Status Register Write Protect
* remove broken QPI support for Micron SPI flash
JFFS2:
* improve post-mount CRC scan efficiency
General:
* refactor bcm63xxpart parser, to later extend for NAND
* add writebuf size parameter to mtdram
Other minor code quality improvements
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Merge tag 'for-linus-20160324' of git://git.infradead.org/linux-mtd
Pull MTD updates from Brian Norris:
"NAND:
- Add sunxi_nand randomizer support
- begin refactoring NAND ecclayout structs
- fix pxa3xx_nand dmaengine usage
- brcmnand: fix support for v7.1 controller
- add Qualcomm NAND controller driver
SPI NOR:
- add new ls1021a, ls2080a support to Freescale QuadSPI
- add new flash ID entries
- support bottom-block protection for Winbond flash
- support Status Register Write Protect
- remove broken QPI support for Micron SPI flash
JFFS2:
- improve post-mount CRC scan efficiency
General:
- refactor bcm63xxpart parser, to later extend for NAND
- add writebuf size parameter to mtdram
Other minor code quality improvements"
* tag 'for-linus-20160324' of git://git.infradead.org/linux-mtd: (72 commits)
mtd: nand: remove kerneldoc for removed function parameter
mtd: nand: Qualcomm NAND controller driver
dt/bindings: qcom_nandc: Add DT bindings
mtd: nand: don't select chip in nand_chip's block_bad op
mtd: spi-nor: support lock/unlock for a few Winbond chips
mtd: spi-nor: add TB (Top/Bottom) protect support
mtd: spi-nor: add SPI_NOR_HAS_LOCK flag
mtd: spi-nor: use BIT() for flash_info flags
mtd: spi-nor: disallow further writes to SR if WP# is low
mtd: spi-nor: make lock/unlock bounds checks more obvious and robust
mtd: spi-nor: silently drop lock/unlock for already locked/unlocked region
mtd: spi-nor: wait for SR_WIP to clear on initial unlock
mtd: nand: simplify nand_bch_init() usage
mtd: mtdswap: remove useless if (!mtd->ecclayout) test
mtd: create an mtd_oobavail() helper and make use of it
mtd: kill the ecclayout->oobavail field
mtd: nand: check status before reporting timeout
mtd: bcm63xxpart: give width specifier an 'int', not 'size_t'
mtd: mtdram: Add parameter for setting writebuf size
mtd: nand: pxa3xx_nand: kill unused field 'drcmr_cmd'
...
for UBI and UBIFS.
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Merge tag 'upstream-4.6-rc1' of git://git.infradead.org/linux-ubifs
Pull UBI/UBIFS updates from Richard Weinberger:
"This contains cleanups and a maintainer update for UBI and UBIFS"
* tag 'upstream-4.6-rc1' of git://git.infradead.org/linux-ubifs:
ubifs: Remove unused header
MAINTAINERS: Update UBIFS entry
mtd: ubi: Add logging functions ubi_msg, ubi_warn and ubi_err
ubifs: Add logging functions for ubifs_msg, ubifs_err and ubifs_warn
pnfs layout type from Christoph Hellwig. The new layout type is a
variant of the block layout which uses SCSI features to offer improved
fencing and device identification.
Note this pull request also includes the client side of SCSI layout,
with Trond's permission.
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Merge tag 'nfsd-4.6-1' of git://linux-nfs.org/~bfields/linux
Pull more nfsd updates from Bruce Fields:
"Apologies for the previous request, which omitted the top 8 commits
from my for-next branch (including the SCSI layout commits). Thanks
to Trond for spotting my error!"
This actually includes the new layout types, so here's that part of
the pull message repeated:
"Support for a new pnfs layout type from Christoph Hellwig. The new
layout type is a variant of the block layout which uses SCSI features
to offer improved fencing and device identification.
Note this pull request also includes the client side of SCSI layout,
with Trond's permission"
* tag 'nfsd-4.6-1' of git://linux-nfs.org/~bfields/linux:
nfsd: use short read as well as i_size to set eof
nfsd: better layoutupdate bounds-checking
nfsd: block and scsi layout drivers need to depend on CONFIG_BLOCK
nfsd: add SCSI layout support
nfsd: move some blocklayout code
nfsd: add a new config option for the block layout driver
nfs/blocklayout: add SCSI layout support
nfs4.h: add SCSI layout definitions
Pull kbuild misc updates from Michal Marek:
"The non-critical part of kbuild for v4.6-rc1:
- coccinelle cleanup and a new patch
- make tags rule for kprobe helpers
- make rpm fix to avoid spurious grub2 entries
- make rpm support for %postun script (Fedora only at the moment)"
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild/mkspec: clean boot loader configuration on rpm removal
kbuild/mkspec: fix grub2 installkernel issue
Coccinelle: Add api/setup_timer.cocci
coccinelle: bugon: reduce rule applicability
Coccinelle: pm_runtime: reduce rule applicability
Coccinelle: array_size: reduce rule applicability
Coccinelle: reduce rule applicability
scripts/tags.sh: add regex to map kprobe helpers
scripts/coccinelle: modernize &
Pull kconfig updates from Michal Marek:
"Just two kconfig commits this time:
- kconfig Makefile fix for make 3.80
- Fix calculating symbols so that KCONFIG_ALLCONFIG=... does not
disable CONFIG_MODULES silently"
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
unbreak allmodconfig KCONFIG_ALLCONFIG=...
scripts/kconfig: allow building with make 3.80 again
Pull kbuild updates from Michal Marek:
- make dtbs_install fix
- Error handling fix fixdep and link-vmlinux.sh
- __UNIQUE_ID fix for clang
- Fix for if_changed_* to suppress the "is up to date." message
- The kernel is built with -Werror=incompatible-pointer-types
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: Add option to turn incompatible pointer check into error
kbuild: suppress annoying "... is up to date." message
kbuild: fixdep: Check fstat(2) return value
scripts/link-vmlinux.sh: force error on kallsyms failure
Kbuild: provide a __UNIQUE_ID for clang
dtbsinstall: don't move target directory out of the way
Pull parisc updates from Helge Deller:
"This patchset adds stack usage debug info for parisc and metag (on
both the stack grows upwards), switches to the new generic realative
extable search and sort routines, drops the long time ago removed
syscalls alloc_hugepages and free_hugepages and wires up the new
preadv2 and pwritev2 syscalls"
* 'parisc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Wire up preadv2 and pwritev2 syscalls
parisc: Use generic extable search and sort routines
parisc: Panic immediately when panic_on_oops
parisc,metag: Implement CONFIG_DEBUG_STACK_USAGE option
parisc: Drop alloc_hugepages and free_hugepages syscalls
Here are some final updates for ARM SoC specific dts files:
* The i.MX changes were sent relatively late, and had a dependency
on the clk tree, so I delayed that a bit. Support for the new
i.MX6qp SoC and a couple of new boards is added in this branch.
* Uniphier renames a few files to match the final product names
that were decided by the company, kudos to the kernel developer(s)
for getting support upstream before the product release.
Also two boards are added. The patches were posted early enough
and nice overall, but we forgot to apply them and decided to
give it some more time in linux-next
* at91 has two small bug fixes.
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Merge tag 'armsoc-dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull more ARM DT changes from Arnd Bergmann:
"Here are some final updates for ARM SoC specific dts files:
- The i.MX changes were sent relatively late, and had a dependency on
the clk tree, so I delayed that a bit. Support for the new i.MX6qp
SoC and a couple of new boards is added in this branch.
- Uniphier renames a few files to match the final product names that
were decided by the company, kudos to the kernel developer(s) for
getting support upstream before the product release. Also two
boards are added. The patches were posted early enough and nice
overall, but we forgot to apply them and decided to give it some
more time in linux-next
- at91 has two small bug fixes"
* tag 'armsoc-dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
ARM: dts: at91: sama5d4 Xplained: don't disable hsmci regulator
ARM: dts: at91: sama5d3 Xplained: don't disable hsmci regulator
ARM: dts: uniphier: add pinmux node for I2C ch4
ARM: dts: uniphier: add @{address} to EEPROM node
ARM: dts: uniphier: add PH1-Pro4 Sanji board support
ARM: dts: uniphier: add PH1-Pro4 Ace board support
ARM: dts: uniphier: enable I2C channel 2 of ProXstream2 Gentil board
ARM: dts: uniphier: add EEPROM node for ProXstream2 Gentil board
ARM: dts: uniphier: add reference clock nodes
ARM: dts: uniphier: rework UniPhier System Bus nodes
ARM: dts: uniphier: factor out ranges property of support card
arm64: dts: uniphier: rename PH1-LD10 to PH1-LD20
ARM: dts: imx53-qsb: Fix gpio button polarity
ARM: dts: vfxxx: Add DAC node for Vybrid SoC
ARM: dts: imx6q: add missing links between ipu2 and mipi dsi
ARM: dts: imx: Add support for Advantech/GE B850v3
ARM: dts: imx: Add support for Advantech/GE B650v3
ARM: dts: imx: Add support for Advantech/GE B450v3
ARM: dts: imx: Add support for Advantech/GE Bx50v3
ARM: dts: imx: Add Advantech BA-16 Qseven module
...
Handle the Oscillator Failure ('OF') bit from Oscillator Status register
(0x1D). This bit is cleared on set_time function and is read each time the
date/time is read, but only in case of XT Oscillator selection.
In RC mode, this bit is always set.
Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
The autocalibration is separated in two bits to set in Oscillator
Control register (0x1c) :
- OSEL bit to select the oscillator type (XT or RC).
- ACAL bit to select the autocalibration type.
These functionnalities are exported in sysfs entries : "oscillator"
and "autocalibration". Respectively, the values are "xtal" for XT
oscillator and "rc" for RC oscillator and 0 to disable the
autocalibration cycle, 512 for a 512 seconds autocalibration cycle
and 1024 for a cycle of 1024 seconds.
Examples :
Set to XT Oscillator
echo xtal > /sys/class/rtc/rtc0/device/oscillator
Activate an autocalibration every 512 seconds
echo 512 > /sys/class/rtc/rtc0/device/autocalibration
Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
The rv8803 has a 60µs window where it will not answer on the i2c bus.
It also means there will be no ack for the communication. Make sure
communication is tried multiple times when this happens (the i2c subsystem
mandates -ENXIO is that case but the number of retries is host specific).
The critical parts are the probe function and the alarm callback so make
sure we handle the failure there.
Cc: stable@vger.kernel.org # v4.4
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
* pm-cpufreq:
cpufreq: governor: Always schedule work on the CPU running update
cpufreq: Always update current frequency before startig governor
cpufreq: Introduce cpufreq_update_current_freq()
cpufreq: Introduce cpufreq_start_governor()
cpufreq: powernv: Add sysfs attributes to show throttle stats
cpufreq: acpi-cpufreq: make Intel/AMD MSR access, io port access static
cpufreq: powernv: Define per_cpu chip pointer to optimize hot-path
cpufreq: acpi-cpufreq: Clean up hot plug notifier callback
intel_pstate: Do not call wrmsrl_on_cpu() with disabled interrupts
cpufreq: Make cpufreq_quick_get() safe to call
* pm-cpuidle:
intel_idle: Support for Intel Xeon Phi Processor x200 Product Family
intel_idle: prevent SKL-H boot failure when C8+C9+C10 enabled
cpuidle: menu: Fall back to polling if next timer event is near
cpuidle: menu: use high confidence factors only when considering polling
The old web page for the hwmon subsystem is no longer operational,
and the mailing list has become unreliable. Move both to kernel.org.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Some visible changes:
A new flag was added to distinguish traces done in NMI context.
Preempt tracer now shows functions where preemption is disabled but
interrupts are still enabled.
Other notes:
Updates were done to function tracing to allow better performance
with perf.
Infrastructure code has been added to allow for a new histogram
feature for recording live trace event histograms that can be
configured by simple user commands. The feature itself was just
finished, but needs a round in linux-next before being pulled.
This only includes some infrastructure changes that will be needed.
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Merge tag 'trace-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
"Nothing major this round. Mostly small clean ups and fixes.
Some visible changes:
- A new flag was added to distinguish traces done in NMI context.
- Preempt tracer now shows functions where preemption is disabled but
interrupts are still enabled.
Other notes:
- Updates were done to function tracing to allow better performance
with perf.
- Infrastructure code has been added to allow for a new histogram
feature for recording live trace event histograms that can be
configured by simple user commands. The feature itself was just
finished, but needs a round in linux-next before being pulled.
This only includes some infrastructure changes that will be needed"
* tag 'trace-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (22 commits)
tracing: Record and show NMI state
tracing: Fix trace_printk() to print when not using bprintk()
tracing: Remove redundant reset per-CPU buff in irqsoff tracer
x86: ftrace: Fix the misleading comment for arch/x86/kernel/ftrace.c
tracing: Fix crash from reading trace_pipe with sendfile
tracing: Have preempt(irqs)off trace preempt disabled functions
tracing: Fix return while holding a lock in register_tracer()
ftrace: Use kasprintf() in ftrace_profile_tracefs()
ftrace: Update dynamic ftrace calls only if necessary
ftrace: Make ftrace_hash_rec_enable return update bool
tracing: Fix typoes in code comment and printk in trace_nop.c
tracing, writeback: Replace cgroup path to cgroup ino
tracing: Use flags instead of bool in trigger structure
tracing: Add an unreg_all() callback to trigger commands
tracing: Add needs_rec flag to event triggers
tracing: Add a per-event-trigger 'paused' field
tracing: Add get_syscall_name()
tracing: Add event record param to trigger_ops.func()
tracing: Make event trigger functions available
tracing: Make ftrace_event_field checking functions available
...
Pull thermal updates from Zhang Rui:
- Fix a regression where bogus trip points on some Lenovo laptops start
to screw up thermal control after commit 81ad4276b5 ("Thermal:
initialize thermal zone device correctly").
On these Lenovo laptops, a bogus passive trip point is reported,
which is 0 degree Celsius. Without commit 81ad4276b5, thermal zone
fails to set cooling devices to proper cooling state, which is a bug.
But with commit 81ad4276b5 applied, the processors are always
throttled on these Lenovo laptops because the current temperature is
always higher than the passive trip point.
Fix things to ignore such bogus trip points. (Zhang Rui)
- Introduce Mediatek thermal driver. (Sascha Hauer)
- Introduce devm_ versions of OF thermal sensor register API. (Laxman
Dewangan)
- Changes in Kconfigs to allow compile test on UM arch. (Krzysztof
Kozlowski)
- Introduce Skylake support in intel_pch_thermal driver. (Srinivas
Pandruvada)
- Several small fixes on Rockchip, TI-SoC, Tegra, RCar, and Exynos
thermal drivers.
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (26 commits)
Thermal: Ignore invalid trip points
thermal: trace: migrating thermal traces to use TRACE_DEFINE_ENUM() macros
thermal: intel_pch_thermal: Enable Skylake PCH thermal
thermal: doc: Add details of devm_thermal_zone_of_sensor_{register,unregister}
thermal: of-thermal: Add devm version of thermal_zone_of_sensor_register
thermal: doc: Add details of thermal_zone_of_sensor_{register,unregister}
thermal: exynos: Defer probe if vtmu is present but not registered
thermal: exynos: Use devm_regulator_get_optional() for vtmu
thermal: exynos: List vtmu-supply as optional property in DT binding
thermal: exynos: Print a message about exceeded number of supported trip-points
thermal: exynos: Document number of supported trip-points
thermal: exynos: Document compatible for Exynos5433 TMU
thermal: mtk: allow compile testing on UM
thermal: tegra_soctherm: fix sign bit of temperature
thermal: Fix build error of missing devm_ioremap_resource on UM
thermal: ti-soc-thermal: clean up the error handling a bit
thermal: rcar: Use ARCH_RENESAS
thermal: rcar_thermal: don't open code of_device_get_match_data()
thermal: db8500_cpufreq_cooling: Compile with COMPILE_TEST
thermal: rockchip: fix the tsadc sequence output on rk3228/rk3399
...
pnfs layout type from Christoph Hellwig. The new layout type is a
variant of the block layout which uses SCSI features to offer improved
fencing and device identification.
(Also: note this pull request also includes the client side of SCSI
layout, with Trond's permission.)
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Merge tag 'nfsd-4.6' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"Various bugfixes, a RDMA update from Chuck Lever, and support for a
new pnfs layout type from Christoph Hellwig. The new layout type is a
variant of the block layout which uses SCSI features to offer improved
fencing and device identification.
(Also: note this pull request also includes the client side of SCSI
layout, with Trond's permission.)"
* tag 'nfsd-4.6' of git://linux-nfs.org/~bfields/linux:
sunrpc/cache: drop reference when sunrpc_cache_pipe_upcall() detects a race
nfsd: recover: fix memory leak
nfsd: fix deadlock secinfo+readdir compound
nfsd4: resfh unused in nfsd4_secinfo
svcrdma: Use new CQ API for RPC-over-RDMA server send CQs
svcrdma: Use new CQ API for RPC-over-RDMA server receive CQs
svcrdma: Remove close_out exit path
svcrdma: Hook up the logic to return ERR_CHUNK
svcrdma: Use correct XID in error replies
svcrdma: Make RDMA_ERROR messages work
rpcrdma: Add RPCRDMA_HDRLEN_ERR
svcrdma: svc_rdma_post_recv() should close connection on error
svcrdma: Close connection when a send error occurs
nfsd: Lower NFSv4.1 callback message size limit
svcrdma: Do not send Write chunk XDR pad with inline content
svcrdma: Do not write xdr_buf::tail in a Write chunk
svcrdma: Find client-provided write and reply chunks once per reply
nfsd: Update NFS server comments related to RDMA support
nfsd: Fix a memory leak when meeting unsupported state_protect_how4
nfsd4: fix bad bounds checking
Here are some fixes that poped up due to the big staging tree merge, as
well as the removal of a staging driver that now is covered by a "real"
driver. All of these have been in linux-next for a few days with no
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some fixes that poped up due to the big staging tree merge,
as well as the removal of a staging driver that now is covered by a
"real" driver.
All of these have been in linux-next for a few days with no reported
issues"
* tag 'staging-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: delete STE RMI4 hackish driver
staging: android: ion_test: fix check of platform_device_register_simple() error code
staging: wilc1000: fix a couple of memory leaks
staging: fsl-mc: fix incorrect type passed to dev_err macros
staging: fsl-mc: fix incorrect type passed to dev_dbg macros
staging: wilc1000: fixed kernel panic when firmware is not started
staging: comedi: ni_mio_common: fix the ni_write[blw]() functions
staging: most: hdm-dim2: Remove possible dereference error
staging: lustre: checking for NULL instead of IS_ERR
staging: lustre: really make lustre dependent on LNet
staging: refresh TODO for rtl8712
staging: refresh TODO for rtl8723au
Pull timer fix from Thomas Gleixner:
"A single fix to the pistachio clocksource driver using the proper
signedness in the error print format"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/pistachio: Correct output format of PTR_ERR()
Pull irq fixes from Thomas Gleixner:
"A small set of fixes for the usual ARM/SOC irqchip drivers
- A set of fixes for mbigen to handle multiple devices in a hardware
module proper
- A cleanup for the mbigen config option which was pointlessly user
configurable.
- A cleanup for tegra replacing open coded functionality by the
proper core function
The config cleanup touches arch/arm64/Kconfig.platforms to select the
irq chip for the related platform"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/mbigen: Make CONFIG_HISILICON_IRQ_MBIGEN a hidden option
ARM64: Kconfig: Select mbigen interrupt controller on Hisilicon platform
irqchip/mbigen: Handle multiple device nodes in a mbigen module
irqchip/mbigen: Adjust DT bindings to handle multiple devices in a module
irqchip/tegra: Switch to use irq_domain_free_irqs_common
Pull perf fixes from Ingo Molnar:
"This tree contains various perf fixes on the kernel side, plus three
hw/event-enablement late additions:
- Intel Memory Bandwidth Monitoring events and handling
- the AMD Accumulated Power Mechanism reporting facility
- more IOMMU events
... and a final round of perf tooling updates/fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
perf llvm: Use strerror_r instead of the thread unsafe strerror one
perf llvm: Use realpath to canonicalize paths
perf tools: Unexport some methods unused outside strbuf.c
perf probe: No need to use formatting strbuf method
perf help: Use asprintf instead of adhoc equivalents
perf tools: Remove unused perf_pathdup, xstrdup functions
perf tools: Do not include stringify.h from the kernel sources
tools include: Copy linux/stringify.h from the kernel
tools lib traceevent: Remove redundant CPU output
perf tools: Remove needless 'extern' from function prototypes
perf tools: Simplify die() mechanism
perf tools: Remove unused DIE_IF macro
perf script: Remove lots of unused arguments
perf thread: Rename perf_event__preprocess_sample_addr to thread__resolve
perf machine: Rename perf_event__preprocess_sample to machine__resolve
perf tools: Add cpumode to struct perf_sample
perf tests: Forward the perf_sample in the dwarf unwind test
perf tools: Remove misplaced __maybe_unused
perf list: Fix documentation of :ppp
perf bench numa: Fix assertion for nodes bitfield
...
