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After commit e2ecc8a79ed4 ("mm, vmstat: print non-populated zones in
zoneinfo"), /proc/zoneinfo will show unpopulated zones.
A memoryless node, having no populated zones at all, was previously
ignored, but will now trigger the WARN() in is_zone_first_populated().
Remove this warning, as its only purpose was to warn of a situation that
has since been enabled.
Aside: The "per-node stats" are still printed under the first populated
zone, but that's not necessarily the first stanza any more. I'm not
sure which criteria is more important with regard to not breaking
parsers, but it looks a little weird to the eye.
Fixes: e2ecc8a79ed4 ("mm, vmstat: print node-based stats in zoneinfo file")
Link: http://lkml.kernel.org/r/1493854905-10918-1-git-send-email-arbab@linux.vnet.ibm.com
Signed-off-by: Reza Arbab <arbab@linux.vnet.ibm.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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All uses of the current_fs_time() function have been replaced by other
time interfaces.
And, its use cases can be fulfilled by current_time() or ktime_get_*
variants.
Link: http://lkml.kernel.org/r/1491613030-11599-13-git-send-email-deepa.kernel@gmail.com
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Laurent Dufour has noticed that hwpoinsoned pages are kept charged. In
his particular case he has hit a bad_page("page still charged to
cgroup") when onlining a hwpoison page. While this looks like something
that shouldn't happen in the first place because onlining hwpages and
returning them to the page allocator makes only little sense it shows a
real problem.
hwpoison pages do not get freed usually so we do not uncharge them (at
least not since commit 0a31bc97c80c ("mm: memcontrol: rewrite uncharge
API")). Each charge pins memcg (since e8ea14cc6ead ("mm: memcontrol:
take a css reference for each charged page")) as well and so the
mem_cgroup and the associated state will never go away. Fix this leak
by forcibly uncharging a LRU hwpoisoned page in delete_from_lru_cache().
We also have to tweak uncharge_list because it cannot rely on zero ref
count for these pages.
[akpm@linux-foundation.org: coding-style fixes]
Fixes: 0a31bc97c80c ("mm: memcontrol: rewrite uncharge API")
Link: http://lkml.kernel.org/r/20170502185507.GB19165@dhcp22.suse.cz
Signed-off-by: Michal Hocko <mhocko@suse.com>
Reported-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Tested-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Reviewed-by: Balbir Singh <bsingharora@gmail.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"Incremental fixes and a small feature addition on top of the main
libnvdimm 4.12 pull request:
- Geert noticed that tinyconfig was bloated by BLOCK selecting DAX.
The size regression is fixed by moving all dax helpers into the
dax-core and only specifying "select DAX" for FS_DAX and
dax-capable drivers. He also asked for clarification of the
NR_DEV_DAX config option which, on closer look, does not need to be
a config option at all. Mike also throws in a DEV_DAX_PMEM fixup
for good measure.
- Ben's attention to detail on -stable patch submissions caught a
case where the recent fixes to arch_copy_from_iter_pmem() missed a
condition where we strand dirty data in the cache. This is tagged
for -stable and will also be included in the rework of the pmem api
to a proposed {memcpy,copy_user}_flushcache() interface for 4.13.
- Vishal adds a feature that missed the initial pull due to pending
review feedback. It allows the kernel to clear media errors when
initializing a BTT (atomic sector update driver) instance on a pmem
namespace.
- Ross noticed that the dax_device + dax_operations conversion broke
__dax_zero_page_range(). The nvdimm unit tests fail to check this
path, but xfstests immediately trips over it. No excuse for missing
this before submitting the 4.12 pull request.
These all pass the nvdimm unit tests and an xfstests spot check. The
set has received a build success notification from the kbuild robot"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
filesystem-dax: fix broken __dax_zero_page_range() conversion
libnvdimm, btt: ensure that initializing metadata clears poison
libnvdimm: add an atomic vs process context flag to rw_bytes
x86, pmem: Fix cache flushing for iovec write < 8 bytes
device-dax: kill NR_DEV_DAX
block, dax: move "select DAX" from BLOCK to FS_DAX
device-dax: Tell kbuild DEV_DAX_PMEM depends on DEV_DAX
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This contains a one-liner change that has a significant impact:
disabling the build of OSS. It's been unmaintained for long time, and
we'd like to drop the stuff. Finally, as the first step, stop the
build. Let's see whether it works without much complaints.
Other than that, there are two small fixes for HD-audio"
* tag 'sound-fix-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
sound: Disable the build of OSS drivers
ALSA: hda: Fix cpu lockup when stopping the cmd dmas
ALSA: hda - Add mute led support for HP EliteBook 840 G3
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull more power-supply updates from Sebastian Reichel:
"The power-supply subsystem has a few more changes for the v4.12 merge
window:
- New battery driver for AXP20X and AXP22X PMICs
- Improve max17042_battery for usage on x86
- Misc small cleanups & fixes"
* tag 'for-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (34 commits)
power: supply: cpcap-charger: Keep trickle charger bits disabled
power: supply: cpcap-charger: Fix enable for 3.8V charge setting
power: supply: cpcap-charger: Fix charge voltage configuration
power: supply: cpcap-charger: Fix charger name
power: supply: twl4030-charger: make twl4030_bci_property_is_writeable static
power: supply: sbs-battery: Add alert callback
mailmap: add Sebastian Reichel
power: supply: avoid unused twl4030-madc.h
power: supply: sbs-battery: Correct supply status with current draw
power: supply: sbs-battery: Don't ignore the first external power change
power: supply: pda_power: move from timer to delayed_work
power: supply: max17042_battery: Add support for the SCOPE property
power: supply: max17042_battery: Add support for the CHARGE_NOW property
power: supply: max17042_battery: Add support for the CHARGE_FULL_DESIGN property
power: supply: max17042_battery: mAh readings depend on r_sns value
power: supply: max17042_battery: Add support for the VOLT_MIN property
power: supply: max17042_battery: Add support for the TECHNOLOGY attribute
power: supply: max17042_battery: Add external_power_changed callback
power: supply: max17042_battery: Add support for the STATUS property
power: supply: max17042_battery: Add default platform_data fallback data
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management updates from Zhang Rui:
- Fix a problem where orderly_shutdown() is called for multiple times
due to multiple critical overheating events raised in a short period
by platform thermal driver. (Keerthy)
- Introduce a backup thermal shutdown mechanism, which invokes
kernel_power_off()/emergency_restart() directly, after
orderly_shutdown() being issued for certain amount of time(specified
via Kconfig). This is useful in certain conditions that userspace may
be unable to power off the system in a clean manner and leaves the
system in a critical state, like in the middle of driver probing
phase. (Keerthy)
- Introduce a new interface in thermal devfreq_cooling code so that the
driver can provide more precise data regarding actual power to the
thermal governor every time the power budget is calculated. (Lukasz
Luba)
- Introduce BCM 2835 soc thermal driver and northstar thermal driver,
within a new sub-folder. (Rafał Miłecki)
- Introduce DA9062/61 thermal driver. (Steve Twiss)
- Remove non-DT booting on TI-SoC driver. Also add support to fetching
coefficients from DT. (Keerthy)
- Refactorf RCAR Gen3 thermal driver. (Niklas Söderlund)
- Small fix on MTK and intel-soc-dts thermal driver. (Dawei Chien,
Brian Bian)
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (25 commits)
thermal: core: Add a back up thermal shutdown mechanism
thermal: core: Allow orderly_poweroff to be called only once
Thermal: Intel SoC DTS: Change interrupt request behavior
trace: thermal: add another parameter 'power' to the tracing function
thermal: devfreq_cooling: add new interface for direct power read
thermal: devfreq_cooling: refactor code and add get_voltage function
thermal: mt8173: minor mtk_thermal.c cleanups
thermal: bcm2835: move to the broadcom subdirectory
thermal: broadcom: ns: specify myself as MODULE_AUTHOR
thermal: da9062/61: Thermal junction temperature monitoring driver
Documentation: devicetree: thermal: da9062/61 TJUNC temperature binding
thermal: broadcom: add Northstar thermal driver
dt-bindings: thermal: add support for Broadcom's Northstar thermal
thermal: bcm2835: add thermal driver for bcm2835 SoC
dt-bindings: Add thermal zone to bcm2835-thermal example
thermal: rcar_gen3_thermal: add suspend and resume support
thermal: rcar_gen3_thermal: store device match data in private structure
thermal: rcar_gen3_thermal: enable hardware interrupts for trip points
thermal: rcar_gen3_thermal: record and check number of TSCs found
thermal: rcar_gen3_thermal: check that TSC exists before memory allocation
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"AMD, nouveau, one i915, and one EDID fix for v4.12-rc1
Some fixes that it would be good to have in rc1. It contains the i915
quiet fix that you reported.
It also has an amdgpu fixes pull, with lots of ongoing work on Vega10
which is new in this kernel and is preliminary support so may have a
fair bit of movement.
Otherwise a few non-Vega10 AMD fixes, one EDID fix and some nouveau
regression fixers"
* tag 'drm-fixes-for-v4.12-rc1' of git://people.freedesktop.org/~airlied/linux: (144 commits)
drm/i915: Make vblank evade warnings optional
drm/nouveau/therm: remove ineffective workarounds for alarm bugs
drm/nouveau/tmr: avoid processing completed alarms when adding a new one
drm/nouveau/tmr: fix corruption of the pending list when rescheduling an alarm
drm/nouveau/tmr: handle races with hw when updating the next alarm time
drm/nouveau/tmr: ack interrupt before processing alarms
drm/nouveau/core: fix static checker warning
drm/nouveau/fb/ram/gf100-: remove 0x10f200 read
drm/nouveau/kms/nv50: skip core channel cursor update on position-only changes
drm/nouveau/kms/nv50: fix source-rect-only plane updates
drm/nouveau/kms/nv50: remove pointless argument to window atomic_check_acquire()
drm/amd/powerplay: refine pwm1_enable callback functions for CI.
drm/amd/powerplay: refine pwm1_enable callback functions for vi.
drm/amd/powerplay: refine pwm1_enable callback functions for Vega10.
drm/amdgpu: refine amdgpu pwm1_enable sysfs interface.
drm/amdgpu: add amd fan ctrl mode enums.
drm/amd/powerplay: add more smu message on Vega10.
drm/amdgpu: fix dependency issue
drm/amd: fix init order of sched job
drm/amdgpu: add some additional vega10 pci ids
...
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
"Things were a lot more calm than previously expected. It's primarily
fixes in various areas, with most of the new functionality centering
around TCMU backend driver work that Xiubo Li has been driving.
Here's the summary on the feature side:
- Make T10-PI verify configurable for emulated (FILEIO + RD) backends
(Dmitry Monakhov)
- Allow target-core/TCMU pass-through to use in-kernel SPC-PR logic
(Bryant Ly + MNC)
- Add TCMU support for growing ring buffer size (Xiubo Li + MNC)
- Add TCMU support for global block data pool (Xiubo Li + MNC)
and on the bug-fix side:
- Fix COMPARE_AND_WRITE non GOOD status handling for READ phase
failures (Gary Guo + nab)
- Fix iscsi-target hang with explicitly changing per NodeACL
CmdSN number depth with concurrent login driven session
reinstatement. (Gary Guo + nab)
- Fix ibmvscsis fabric driver ABORT task handling (Bryant Ly)
- Fix target-core/FILEIO zero length handling (Bart Van Assche)
Also, there was an OOPs introduced with the WRITE_VERIFY changes that
I ended up reverting at the last minute, because as not unusual Bart
and I could not agree on the fix in time for -rc1. Since it's specific
to a conformance test, it's been reverted for now.
There is a separate patch in the queue to address the underlying
control CDB write overflow regression in >= v4.3 separate from the
WRITE_VERIFY revert here, that will be pushed post -rc1"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (30 commits)
Revert "target: Fix VERIFY and WRITE VERIFY command parsing"
IB/srpt: Avoid that aborting a command triggers a kernel warning
IB/srpt: Fix abort handling
target/fileio: Fix zero-length READ and WRITE handling
ibmvscsis: Do not send aborted task response
tcmu: fix module removal due to stuck thread
target: Don't force session reset if queue_depth does not change
iscsi-target: Set session_fall_back_to_erl0 when forcing reinstatement
target: Fix compare_and_write_callback handling for non GOOD status
tcmu: Recalculate the tcmu_cmd size to save cmd area memories
tcmu: Add global data block pool support
tcmu: Add dynamic growing data area feature support
target: fixup error message in target_tg_pt_gp_tg_pt_gp_id_store()
target: fixup error message in target_tg_pt_gp_alua_access_type_store()
target/user: PGR Support
target: Add WRITE_VERIFY_16
Documentation/target: add an example script to configure an iSCSI target
target: Use kmalloc_array() in transport_kmap_data_sg()
target: Use kmalloc_array() in compare_and_write_callback()
target: Improve size determinations in two functions
...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
"Making sure that something like a referral point won't end up as pwd
or root.
The main part is the last commit (fixing mntns_install()); that one
fixes a hard-to-hit race. The fchdir() commit is making fchdir(2) a
bit more robust - it should be impossible to get opened files (even
O_PATH ones) for referral points in the first place, so the existing
checks are OK, but checking the same thing as in chdir(2) is just as
cheap.
The path_init() commit removes a redundant check that shouldn't have
been there in the first place"
* 'work.sane_pwd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
make sure that mntns_install() doesn't end up with referral for root
path_init(): don't bother with checking MAY_EXEC for LOOKUP_ROOT
make sure that fchdir() won't accept referral points, etc.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates/fixes from Ingo Molnar:
"Mostly tooling updates, but also two kernel fixes: a call chain
handling robustness fix and an x86 PMU driver event definition fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/callchain: Force USER_DS when invoking perf_callchain_user()
tools build: Fixup sched_getcpu feature test
perf tests kmod-path: Don't fail if compressed modules aren't supported
perf annotate: Fix AArch64 comment char
perf tools: Fix spelling mistakes
perf/x86: Fix Broadwell-EP DRAM RAPL events
perf config: Refactor a duplicated code for obtaining config file name
perf symbols: Allow user probes on versioned symbols
perf symbols: Accept symbols starting at address 0
tools lib string: Adopt prefixcmp() from perf and subcmd
perf units: Move parse_tag_value() to units.[ch]
perf ui gtk: Move gtk .so name to the only place where it is used
perf tools: Move HAS_BOOL define to where perl headers are used
perf memswap: Split the byteswap memory range wrappers from util.[ch]
perf tools: Move event prototypes from util.h to event.h
perf buildid: Move prototypes from util.h to build-id.h
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Ingo Molnar:
"A single ARM Juno clocksource driver fix"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/arm_arch_timer: Fix arch_timer_mem_find_best_frame()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull stackprotector fixlet from Ingo Molnar:
"A single fix/enhancement to increase stackprotector canary randomness
on 64-bit kernels with very little cost"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
stackprotector: Increase the per-task stack canary's random range from 32 bits to 64 bits on 64-bit platforms
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Misc fixes:
- two boot crash fixes
- unwinder fixes
- kexec related kernel direct mappings enhancements/fixes
- more Clang support quirks
- minor cleanups
- Documentation fixes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/intel_rdt: Fix a typo in Documentation
x86/build: Don't add -maccumulate-outgoing-args w/o compiler support
x86/boot/32: Fix UP boot on Quark and possibly other platforms
x86/mm/32: Set the '__vmalloc_start_set' flag in initmem_init()
x86/kexec/64: Use gbpages for identity mappings if available
x86/mm: Add support for gbpages to kernel_ident_mapping_init()
x86/boot: Declare error() as noreturn
x86/mm/kaslr: Use the _ASM_MUL macro for multiplication to work around Clang incompatibility
x86/mm: Fix boot crash caused by incorrect loop count calculation in sync_global_pgds()
x86/asm: Don't use RBP as a temporary register in csum_partial_copy_generic()
x86/microcode/AMD: Remove redundant NULL check on mc
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"This contains two fixes for booting under Xen introduced during this
merge window and two fixes for older problems, where one is just much
more probable due to another merge window change"
* tag 'for-linus-4.12b-rc0c-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: adjust early dom0 p2m handling to xen hypervisor behavior
x86/amd: don't set X86_BUG_SYSRET_SS_ATTRS when running under Xen
xen/x86: Do not call xen_init_time_ops() until shared_info is initialized
x86/xen: fix xsave capability setting
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull more powerpc updates from Michael Ellerman:
"The change to the Linux page table geometry was delayed for more
testing with 16G pages, and there's the new CPU features stuff which
just needed one more polish before going in. Plus a few changes from
Scott which came in a bit late. And then various fixes, mostly minor.
Summary highlights:
- rework the Linux page table geometry to lower memory usage on
64-bit Book3S (IBM chips) using the Hash MMU.
- support for a new device tree binding for discovering CPU features
on future firmwares.
- Freescale updates from Scott:
"Includes a fix for a powerpc/next mm regression on 64e, a fix for
a kernel hang on 64e when using a debugger inside a relocated
kernel, a qman fix, and misc qe improvements."
Thanks to: Christophe Leroy, Gavin Shan, Horia Geantă, LiuHailong,
Nicholas Piggin, Roy Pledge, Scott Wood, Valentin Longchamp"
* tag 'powerpc-4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s: Support new device tree binding for discovering CPU features
powerpc: Don't print cpu_spec->cpu_name if it's NULL
of/fdt: introduce of_scan_flat_dt_subnodes and of_get_flat_dt_phandle
powerpc/64s: Fix unnecessary machine check handler relocation branch
powerpc/mm/book3s/64: Rework page table geometry for lower memory usage
powerpc: Fix distclean with Makefile.postlink
powerpc/64e: Don't place the stack beyond TASK_SIZE
powerpc/powernv: Block PCI config access on BCM5718 during EEH recovery
powerpc/8xx: Adding support of IRQ in MPC8xx GPIO
soc/fsl/qbman: Disable IRQs for deferred QBMan work
soc/fsl/qe: add EXPORT_SYMBOL for the 2 qe_tdm functions
soc/fsl/qe: only apply QE_General4 workaround on affected SoCs
soc/fsl/qe: round brg_freq to 1kHz granularity
soc/fsl/qe: get rid of immrbar_virt_to_phys()
net: ethernet: ucc_geth: fix MEM_PART_MURAM mode
powerpc/64e: Fix hang when debugging programs with relocated kernel
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Pull MIPS updates from James Hogan:
"math-emu:
- Add missing clearing of BLTZALL and BGEZALL emulation counters
- Fix BC1EQZ and BC1NEZ condition handling
- Fix BLEZL and BGTZL identification
BPF:
- Add JIT support for SKF_AD_HATYPE
- Use unsigned access for unsigned SKB fields
- Quit clobbering callee saved registers in JIT code
- Fix multiple problems in JIT skb access helpers
Loongson 3:
- Select MIPS_L1_CACHE_SHIFT_6
Octeon:
- Remove vestiges of CONFIG_CAVIUM_OCTEON_2ND_KERNEL
- Remove unused L2C types and macros.
- Remove unused SLI types and macros.
- Fix compile error when USB is not enabled.
- Octeon: Remove unused PCIERCX types and macros.
- Octeon: Clean up platform code.
SNI:
- Remove recursive include of cpu-feature-overrides.h
Sibyte:
- Export symbol periph_rev to sb1250-mac network driver.
- Fix Kconfig warning.
Generic platform:
- Enable Root FS on NFS in generic_defconfig
SMP-MT:
- Use CPU interrupt controller IPI IRQ domain support
UASM:
- Add support for LHU for uasm.
- Remove needless ISA abstraction
mm:
- Add 48-bit VA space and 4-level page tables for 4K pages.
PCI:
- Add controllers before the specified head
irqchip driver for MIPS CPU:
- Replace magic 0x100 with IE_SW0
- Prepare for non-legacy IRQ domains
- Introduce IPI IRQ domain support
MAINTAINERS:
- Update email-id of Rahul Bedarkar
NET:
- sb1250-mac: Add missing MODULE_LICENSE()
CPUFREQ:
- Loongson2: drop set_cpus_allowed_ptr()
Misc:
- Disable Werror when W= is set
- Opt into HAVE_COPY_THREAD_TLS
- Enable GENERIC_CPU_AUTOPROBE
- Use common outgoing-CPU-notification code
- Remove dead define of ST_OFF
- Remove CONFIG_ARCH_HAS_ILOG2_U{32,64}
- Stengthen IPI IRQ domain sanity check
- Remove confusing else statement in __do_page_fault()
- Don't unnecessarily include kmalloc.h into <asm/cache.h>.
- Delete unused definition of SMP_CACHE_SHIFT.
- Delete redundant definition of SMP_CACHE_BYTES"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (39 commits)
MIPS: Sibyte: Fix Kconfig warning.
MIPS: Sibyte: Export symbol periph_rev to sb1250-mac network driver.
NET: sb1250-mac: Add missing MODULE_LICENSE()
MAINTAINERS: Update email-id of Rahul Bedarkar
MIPS: Remove confusing else statement in __do_page_fault()
MIPS: Stengthen IPI IRQ domain sanity check
MIPS: smp-mt: Use CPU interrupt controller IPI IRQ domain support
irqchip: mips-cpu: Introduce IPI IRQ domain support
irqchip: mips-cpu: Prepare for non-legacy IRQ domains
irqchip: mips-cpu: Replace magic 0x100 with IE_SW0
MIPS: Remove CONFIG_ARCH_HAS_ILOG2_U{32,64}
MIPS: generic: Enable Root FS on NFS in generic_defconfig
MIPS: mach-rm: Remove recursive include of cpu-feature-overrides.h
MIPS: Opt into HAVE_COPY_THREAD_TLS
CPUFREQ: Loongson2: drop set_cpus_allowed_ptr()
MIPS: uasm: Remove needless ISA abstraction
MIPS: Remove dead define of ST_OFF
MIPS: Use common outgoing-CPU-notification code
MIPS: math-emu: Fix BC1EQZ and BC1NEZ condition handling
MIPS: r2-on-r6-emu: Clear BLTZALL and BGEZALL debugfs counters
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2
Pull nios2 updates from Ley Foon Tan:
"nios2 fixes/enhancements and adding nios2 R2 support"
* tag 'nios2-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2:
nios2: remove custom early console implementation
nios2: use generic strncpy_from_user() and strnlen_user()
nios2: Add CDX support
nios2: Add BMX support
nios2: Add NIOS2_ARCH_REVISION to select between R1 and R2
nios2: implement flush_dcache_mmap_lock/unlock
nios2: enable earlycon support
nios2: constify irq_domain_ops
nios2: remove wrapper header for cmpxchg.h
nios2: add .gitignore entries for auto-generated files
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OSS drivers are left as badly unmaintained, and now we're facing a
problem to clean up the hackish set_fs() usage in their codes. Since
most of drivers have been covered by ALSA, and the others are dead old
and inactive, let's leave them RIP.
This patch is the first step: disable the build of OSS drivers.
We'll eventually drop the whole codes and clean up later.
Note that sound/oss/dmasound is still kept, since it's a completely
different implementation of OSS, and it doesn't suffer from set_fs()
hack. Moreover, the build of ALSA is disabled on M68K by some reason,
thus disabling it shall result in a regression. This one will be
disabled / removed once when we add the support in ALSA side.
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add a new Kconfig option to enable/disable the extra warnings
from the vblank evade code. For now we'll keep the warning
about an actually missed vblank always enabled as that can have
an actual user visible impact. But if we miss the deadline
othrwise there's no real need to bother the user with that.
We'll want these warnings enabled during development however
so that we can catch regressions.
Based on the reports it looks like this is still very easy
to hit on SKL, so we have more work ahead of us to optimize
the crtiical section further.
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reported-by: Jens Axboe <axboe@kernel.dk>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Fixes: e1edbd44e23b ("drm/i915: Complain if we take too long under vblank evasion.")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Quite a few patches, but not much code changed:
- Fixes regression from atomic when only the source rect of a plane
changes (ie. xrandr --right-of)
- Fixes another issue where atomic changed behaviour underneath us,
potentially causing laggy cursor position updates
- Fixes for a bunch of races in thermal code, which lead to random
lockups for a lot of users
* 'linux-4.12' of git://github.com/skeggsb/linux:
drm/nouveau/therm: remove ineffective workarounds for alarm bugs
drm/nouveau/tmr: avoid processing completed alarms when adding a new one
drm/nouveau/tmr: fix corruption of the pending list when rescheduling an alarm
drm/nouveau/tmr: handle races with hw when updating the next alarm time
drm/nouveau/tmr: ack interrupt before processing alarms
drm/nouveau/core: fix static checker warning
drm/nouveau/fb/ram/gf100-: remove 0x10f200 read
drm/nouveau/kms/nv50: skip core channel cursor update on position-only changes
drm/nouveau/kms/nv50: fix source-rect-only plane updates
drm/nouveau/kms/nv50: remove pointless argument to window atomic_check_acquire()
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into drm-next
Fixes for 4.12. This is a bit bigger than usual since it's 3 weeks
worth of fixes and most of these changes are for vega10 which is
new for 4.12 and still in a fair amount of flux. It looks like
you missed my last pull request, so those patches are included here
as well. Highlights:
- Lots of vega10 fixes
- Fix interruptable wait mixup
- Fan control method fixes
- Misc display fixes for radeon and amdgpu
- Misc bug fixes
* 'drm-next-4.12' of git://people.freedesktop.org/~agd5f/linux: (132 commits)
drm/amd/powerplay: refine pwm1_enable callback functions for CI.
drm/amd/powerplay: refine pwm1_enable callback functions for vi.
drm/amd/powerplay: refine pwm1_enable callback functions for Vega10.
drm/amdgpu: refine amdgpu pwm1_enable sysfs interface.
drm/amdgpu: add amd fan ctrl mode enums.
drm/amd/powerplay: add more smu message on Vega10.
drm/amdgpu: fix dependency issue
drm/amd: fix init order of sched job
drm/amdgpu: add some additional vega10 pci ids
drm/amdgpu/soc15: use atomfirmware for setting bios scratch for reset
drm/amdgpu/atomfirmware: add function to update engine hang status
drm/radeon: only warn once in radeon_ttm_bo_destroy if va list not empty
drm/amdgpu: fix mutex list null pointer reference
drm/amd/powerplay: fix bug sclk/mclk level can't be set on vega10.
drm/amd/powerplay: Setup sw CTF to allow graceful exit when temperature exceeds maximum.
drm/amd/powerplay: delete dead code in powerplay.
drm/amdgpu: Use less generic enum definitions
drm/amdgpu/gfx9: derive tile pipes from golden settings
drm/amdgpu/gfx: drop max_gs_waves_per_vgt
drm/amd/powerplay: disable engine spread spectrum feature on Vega10.
...
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git://anongit.freedesktop.org/git/drm-misc into drm-next
Core Changes:
- Add quirk for LGD 764 panel to default 10bpc (Mario)
Cc: Mario Kleiner <mario.kleiner.de@gmail.com>
* tag 'drm-misc-next-fixes-2017-05-05' of git://anongit.freedesktop.org/git/drm-misc:
drm/edid: Add 10 bpc quirk for LGD 764 panel in HP zBook 17 G2
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gcc-7 warns about 'const SIMPLE_DEV_PM_OPS', as that macro already contains
a 'const' keyword:
drivers/input/keyboard/cros_ec_keyb.c:663:14: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier]
static const SIMPLE_DEV_PM_OPS(cros_ec_keyb_pm_ops, NULL, cros_ec_keyb_resume);
This removes the extra one.
Fixes: 6af6dc2d2aa6 ("input: Add ChromeOS EC keyboard driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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These were ineffective due to touching the list without the alarm lock,
but should no longer be required.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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The idea here was to avoid having to "manually" program the HW if there's
a new earliest alarm. This was lazy and bad, as it leads to loads of fun
races between inter-related callers (ie. therm).
Turns out, it's not so difficult after all. Go figure ;)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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At least therm/fantog "attempts" to work around this issue, which could
lead to corruption of the pending alarm list.
Fix it properly by not updating the timestamp without the lock held, or
trying to add an already pending alarm to the pending alarm list....
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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If the time to the next alarm is short enough, we could race with HW and
end up with an ~4 second delay until it triggers.
Fix this by checking again after we update HW.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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Fixes a race where we can miss an alarm that triggers while we're already
processing previous alarms.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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object->engine cannot be NULL, it's either valid, or an error pointer.
This particular condition shouldn't actually be possible, but just in
case, we'll keep it.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This reg has moved on Pascal, and causes a bus fault.
We never use the value anyway, so just remove the read.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The DRM core used to only call prepare_fb/cleanup_fb() when a plane's
framebuffer changed, which achieved the desired effect.
It's apparently now up to the driver to decide on its own.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org [4.11+]
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This "optimisation" (which was originally meant to skip updating cursor
settings in the core channel on position-only updates) turned out to be
pointless in the final design of the code before it was merged.
Remove it completely, as it breaks other cases.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org [4.10+]
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Pull more documentation updates from Jonathan Corbet:
"Connect the newly RST-formatted documentation to the rest; this had to
wait until the input pull was done. There's also a few small fixes
that wandered in"
* tag 'docs-4.12-2' of git://git.lwn.net/linux:
doc: replace FTP URL to kernel.org with HTTPS one
docs: update references to the device io book
Documentation: earlycon: fix Marvell Armada 3700 UART name
docs-rst: add input docs at main index and use kernel-figure
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull more arm64 updates from Catalin Marinas:
- Silence module allocation failures when CONFIG_ARM*_MODULE_PLTS is
enabled. This requires a check for __GFP_NOWARN in alloc_vmap_area()
- Improve/sanitise user tagged pointers handling in the kernel
- Inline asm fixes/cleanups
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Silence first allocation with CONFIG_ARM64_MODULE_PLTS=y
ARM: Silence first allocation with CONFIG_ARM_MODULE_PLTS=y
mm: Silence vmap() allocation failures based on caller gfp_flags
arm64: uaccess: suppress spurious clang warning
arm64: atomic_lse: match asm register sizes
arm64: armv8_deprecated: ensure extension of addr
arm64: uaccess: ensure extension of access_ok() addr
arm64: ensure extension of smp_store_release value
arm64: xchg: hazard against entire exchange variable
arm64: documentation: document tagged pointer stack constraints
arm64: entry: improve data abort handling of tagged pointers
arm64: hw_breakpoint: fix watchpoint matching for tagged pointers
arm64: traps: fix userspace cache maintenance emulation on a tagged pointer
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Pull fbdev updates from Bartlomiej Zolnierkiewicz:
"There is nothing really major here, just a couple of small bugfixes,
improvements and cleanups.
- fix handling of probing errors in omapfb (Arvind Yadav)
- remove incorrect __exit markups in few drivers (Dmitry Torokhov)
- fix boot time logo support for drivers using deferred probe
(Takeshi Kihara)
- fix DMA allocation size for ARM CLCD driver (Liam Beguin)
- add support for specifying size via xenstore in xen-frontfb
(Juergen Gross)
- support for AUS mode in imxfb driver (Martin Kaiser)
- fix buffer on stack usage in udlfb driver (Maksim Salau)
- probe failure path fixup in sm501fb driver (Alexey Khoroshilov)
- fix config dependency loop for stifb driver (Arnd Bergmann)
- misc cleanups (Joe Perches, Christophe Leroy, Karim Eshapa, Pushkar
Jambhlekar)"
* tag 'fbdev-v4.12' of git://github.com/bzolnier/linux:
fbdev: sti: don't select CONFIG_VT
drivers/video/fbdev/omap/lcd_mipid.c: Use time comparison kernel macros
sm501fb: don't return zero on failure path in sm501fb_start()
video: fbdev: udlfb: Fix buffer on stack
video: console: Remove reference to CONFIG_8xx
dt-bindings: display: imx: entry for AUS mode
video: fbdev: imxfb: support AUS mode
drivers/video/fbdev: Fixing coding guidelines in acornfb.c
xen, fbfront: add support for specifying size via xenstore
video: ARM CLCD: fix dma allocation size
drivers/video: Convert remaining uses of pr_warning to pr_warn
video/logo: tidyup fb_logo_late_init initcall timing
video: fbdev: i810: remove incorrect __exit markups
video: fbdev: pmag-aa-fb: remove incorrect __exit markups
video: fbdev: pmagb-b-fb: remove incorrect __exit markups
video: fbdev: pmag-ba-fb: remove incorrect __exit markups
omapfb: dss: Handle return errors in dss_init_ports()
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Pull block fixes from Jens Axboe:
"A smaller collection of fixes that should go into -rc1. This contains:
- A fix from Christoph, fixing a regression with the WRITE_SAME and
partial completions. Caused a BUG() on ppc.
- Fixup for __blk_mq_stop_hw_queues(), it should be static. From
Colin.
- Removal of dmesg error messages on elevator switching, when invoked
from sysfs. From me.
- Fix for blk-stat, using this_cpu_ptr() in a section only protected
by rcu_read_lock(). This breaks when PREEMPT_RCU is enabled. From
me.
- Two fixes for BFQ from Paolo, one fixing a crash and one updating
the documentation.
- An error handling lightnvm memory leak, from Rakesh.
- The previous blk-mq hot unplug lock reversal depends on the CPU
hotplug rework that isn't in mainline yet. This caused a lockdep
splat when people unplugged CPUs with blk-mq devices. From Wanpeng.
- A regression fix for DIF/DIX on blk-mq. From Wen"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: handle partial completions for special payload requests
blk-mq: NVMe 512B/4K+T10 DIF/DIX format returns I/O error on dd with split op
blk-stat: don't use this_cpu_ptr() in a preemptable section
elevator: remove redundant warnings on IO scheduler switch
block, bfq: stress that low_latency must be off to get max throughput
block, bfq: use pointer entity->sched_data only if set
nvme: lightnvm: fix memory leak
blk-mq: make __blk_mq_stop_hw_queues static
lightnvm: remove unused rq parameter of nvme_nvm_rqtocmd() to kill warning
block/mq: fix potential deadlock during cpu hotplug
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FTP services were shutdown some weeks ago, so the FTP URL
does not work anymore. Fix this by replacing it with
corresponding HTTPS URL.
Signed-off-by: Michael Heimpold <michael.heimpold@i2se.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Pull MTD updates from Brian Norris:
"NAND, from Boris:
- some minor fixes/improvements on existing drivers (fsmc, gpio, ifc,
davinci, brcmnand, omap)
- a huge cleanup/rework of the denali driver accompanied with core
fixes/improvements to simplify the driver code
- a complete rewrite of the atmel driver to support new DT bindings
make future evolution easier
- the addition of per-vendor detection/initialization steps to avoid
extending the nand_ids table with more extended-id entries
SPI NOR, from Cyrille:
- fixes in the hisi, intel and Mediatek SPI controller drivers
- fixes to some SPI flash memories not supporting the Chip Erase
command.
- add support to some new memory parts (Winbond, Macronix, Micron,
ESMT).
- add new driver for the STM32 QSPI controller
And a few fixes for Gemini and Versatile platforms on physmap-of"
* tag 'for-linus-20170510' of git://git.infradead.org/linux-mtd: (100 commits)
MAINTAINERS: Update NAND subsystem git repositories
mtd: nand: gpio: update binding
mtd: nand: add ooblayout for old hamming layout
mtd: oxnas_nand: Allocating more than necessary in probe()
dt-bindings: mtd: Document the STM32 QSPI bindings
mtd: mtk-nor: set controller's address width according to nor flash
mtd: spi-nor: add driver for STM32 quad spi flash controller
mtd: nand: brcmnand: Check flash #WP pin status before nand erase/program
mtd: nand: davinci: add comment on NAND subpage write status on keystone
mtd: nand: omap2: Fix partition creation via cmdline mtdparts
mtd: nand: NULL terminate a of_device_id table
mtd: nand: Fix a couple error codes
mtd: nand: allow drivers to request minimum alignment for passed buffer
mtd: nand: allocate aligned buffers if NAND_OWN_BUFFERS is unset
mtd: nand: denali: allow to override revision number
mtd: nand: denali_dt: use pdev instead of ofdev for platform_device
mtd: nand: denali_dt: remove dma-mask DT property
mtd: nand: denali: support 64bit capable DMA engine
mtd: nand: denali_dt: enable HW_ECC_FIXUP for Altera SOCFPGA variant
mtd: nand: denali: support HW_ECC_FIXUP capability
...
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SCSI devices can return short writes on Write Same just like for normal
writes, so we need to handle this case for our special payload requests
as well.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Tested-by: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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When booted as pv-guest the p2m list presented by the Xen is already
mapped to virtual addresses. In dom0 case the hypervisor might make use
of 2M- or 1G-pages for this mapping. Unfortunately while being properly
aligned in virtual and machine address space, those pages might not be
aligned properly in guest physical address space.
So when trying to obtain the guest physical address of such a page
pud_pfn() and pmd_pfn() must be avoided as those will mask away guest
physical address bits not being zero in this special case.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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When running as Xen pv guest X86_BUG_SYSRET_SS_ATTRS must not be set
on AMD cpus.
This bug/feature bit is kind of special as it will be used very early
when switching threads. Setting the bit and clearing it a little bit
later leaves a critical window where things can go wrong. This time
window has enlarged a little bit by using setup_clear_cpu_cap() instead
of the hypervisor's set_cpu_features callback. It seems this larger
window now makes it rather easy to hit the problem.
The proper solution is to never set the bit in case of Xen.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Juergen Gross <jgross@suse.com>
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When CONFIG_ARM64_MODULE_PLTS is enabled, the first allocation using the
module space fails, because the module is too big, and then the module
allocation is attempted from vmalloc space. Silence the first allocation
failure in that case by setting __GFP_NOWARN.
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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When CONFIG_ARM_MODULE_PLTS is enabled, the first allocation using the
module space fails, because the module is too big, and then the module
allocation is attempted from vmalloc space. Silence the first allocation
failure in that case by setting __GFP_NOWARN.
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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If the caller has set __GFP_NOWARN don't print the following message:
vmap allocation for size 15736832 failed: use vmalloc=<size> to increase
size.
This can happen with the ARM/Linux or ARM64/Linux module loader built
with CONFIG_ARM{,64}_MODULE_PLTS=y which does a first attempt at loading
a large module from module space, then falls back to vmalloc space.
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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As of commits d8f347ba35cf ("nios2: enable earlycon support"),
0dcc0542a006 ("serial: altera_jtaguart: add earlycon support") and
4d9d7d896d77 ("serial: altera_uart: add earlycon support"), the nios2
architecture and the altera_uart/altera_jtaguart drivers support
earlycon. Thus, the custom early console implementation for nios2 is no
longer necessary to get early boot messages. Remove it and rely fully on
earlycon support.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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This reverts commit 0e2eb7d12eaa8e391bf5615d4271bb87a649caaa
Author: Bart Van Assche <bart.vanassche@sandisk.com>
Date: Thu Mar 30 10:12:39 2017 -0700
target: Fix VERIFY and WRITE VERIFY command parsing
This patch broke existing behaviour for WRITE_VERIFY because
it dropped the original SCF_SCSI_DATA_CDB assignment for
bytchk = 0 so target_cmd_size_check() no longer rejected
this case, allowing an overflow case to trigger an OOPs
in iscsi-target.
Since the short term and long term fixes are still being
discussed, revert it for now since it's late in the merge
window and try again in v4.13-rc1.
Conflicts:
drivers/target/target_core_sbc.c
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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The conversion of __dax_zero_page_range() to 'struct dax_operations'
caused it to frequently fail. The mistake was treating the @size
parameter as a dax mapping length rather than just a length of the
clear_pmem() operation. The dax mapping length is assumed to be hard
coded as PAGE_SIZE.
Without this fix any page unaligned zeroing request will trigger a
-EINVAL return from bdev_dax_pgoff().
Cc: Jan Kara <jack@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Reported-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Tested-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Fixes: cccbce671582 ("filesystem-dax: convert to dax_direct_access()")
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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If we had badblocks/poison in the metadata area of a BTT, recreating the
BTT would not clear the poison in all cases, notably the flog area. This
is because rw_bytes will only clear errors if the request being sent
down is 512B aligned and sized.
Make sure that when writing the map and info blocks, the rw_bytes being
sent are of the correct size/alignment. For the flog, instead of doing
the smaller log_entry writes only, first do a 'wipe' of the entire area
by writing zeroes in large enough chunks so that errors get cleared.
Cc: Andy Rudoff <andy.rudoff@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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