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This is a third attempt to enable these buttons. The new variable being
commit 997daa1bd9aca412ab97955a35b26c460c0ec7a4 (i.e. hp-wmi: detect
"2009 BIOS or later"). Older systems that do not have the 2009 BIOS query
method respond with a dummy value, in this case 4. Using that, we can
target a fairly narrow group of systems. i.e. old enough to not have
HPWMI_FEATURE_QUERY 0xd, but new enough to have HPWMI_BIOS_QUERY 0x9.
This group may be further limited if some systems respond with something
other than 4 to non-existant feature queries.
Signed-off-by: Kyle Evans <kvans32@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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The T440s user guide says that when Fn-lock is not active, the *40s' F9 - F12
keys should be mapped to: control-panel, search, show-all-windows and Computer.
These keys generate the sofar unused 28 - 31 hotkey scancodes.
For the first 2 this nicely matches the icons on the keys, for the latter 2
the icons are somewhat creative, which is why I ended up looking them up in
the user manual.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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SMO8800/SMO8810)
This acpi driver provide supports for freefall sensors SMO8800/SMO8810 which
can be found on Dell Latitude laptops. Driver register /dev/freefall misc
device which has same interface as driver hp_accel freefall driver. So any
existing applications for HP freefall sensor /dev/freefall will work for with
this new driver for Dell Latitude laptops too.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Cc: Sonal Santan <sonal.santan@gmail.com>
Tested-By: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Acked-By: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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This patch moves data allocated using kzalloc to managed data allocated
using devm_kzalloc and cleans now unnecessary kfrees in probe and remove
functions. The label sysfs_failed is removed as it is no longer
required. Also, linux/device.h is added to make sure the devm_*()
routine declarations are unambiguously available.
The following Coccinelle semantic patch was used for making the change:
@platform@
identifier p, probefn, removefn;
@@
struct platform_driver p = {
.probe = probefn,
.remove = removefn,
};
@prb@
identifier platform.probefn, pdev;
expression e, e1, e2;
@@
probefn(struct platform_device *pdev, ...) {
<+...
- e = kzalloc(e1, e2)
+ e = devm_kzalloc(&pdev->dev, e1, e2)
...
?-kfree(e);
...+>
}
@rem depends on prb@
identifier platform.removefn;
expression e;
@@
removefn(...) {
<...
- kfree(e);
...>
}
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Let the xo15-ebook driver depend on OLPC as all other OLPC drivers
already do. Add COMPILE_TEST as an alternative for both xo1-rfkill
and xo15-ebook, to increase the build testing coverage.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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There is a risk that the variable will be used without being initialized.
This was largely found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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This patch moves data allocated using kzalloc to managed data allocated
using devm_kzalloc and cleans now unnecessary kfrees in probe and remove
functions.
The following Coccinelle semantic patch was used for making the change:
@platform@
identifier p, probefn, removefn;
@@
struct platform_driver p = {
.probe = probefn,
.remove = removefn,
};
@prb@
identifier platform.probefn, pdev;
expression e, e1, e2;
@@
probefn(struct platform_device *pdev, ...) {
<+...
- e = kzalloc(e1, e2)
+ e = devm_kzalloc(&pdev->dev, e1, e2)
...
?-kfree(e);
...+>
}
@rem depends on prb@
identifier platform.removefn;
expression e;
@@
removefn(...) {
<...
- kfree(e);
...>
}
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Signed-off-by: Ismael Luceno <ismael.luceno@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Signed-off-by: Ismael Luceno <ismael.luceno@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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The Lenovo Yoga 2 11 always reports everything as blocked, causing userspace
to not even try to use the wlan / bluetooth even though they work fine.
Note this patch also removes the "else priv->rfk[i] = NULL;" bit of the
rfkill initialization, it is not necessary as the priv struct is allocated
with kzalloc.
Reported-and-tested-by: Vincent Gerris <vgerris@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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The 'asus-nb-wmi' WAPF parameter must be set to 4, so the internal Wireless LAN device is operational.
Signed-off-by: Andreas Utterberg <andreas.utterberg@thundera.se>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Since there are now multiple HDMI attributes associated with the WMAX method,
create a sysfs group for them instead.
Signed-off-by: Mario Limonciello <mario_limonciello@dell.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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This more closely reflects what the hardware can actually support.
Signed-off-by: Mario Limonciello <mario_limonciello@dell.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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We've observed the missing pvpanic call at panic, and it turned out
that this was blocked by the broken notifier of drm_fb_helper, where
scheduling may be called during switching to the fb console.
It's fairly difficult to fix the drm_fb problem and a quick fix isn't
foreseen, a simpler solution for the missing pvpanic call would be
just to call this earlier.
In order to assure that, this patch sets a higher priority to pvpanic
notifier_block. Once when the issue of drm_fb is resolved, we can
remove this priority again.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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These models have only 4 levels of keyboard backlight brightness and forget
how to work the backlight after resuming from S3 sleep. I've added a quirk
to set the appropriate number of backlight levels, and one to re-enable the
keyboard backlight on resume.
(Whitespace cleaned up by Matthew Garrett)
Signed-off-by: Scott Thrasher <scott.thrasher@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Toshiba Satellite M840 laptop has a complete different keymap although
it's bound with the same ACPI ID "TOS1900". This patch provides an
alternative keymap specific to this machine by identifying via DMI
matching. The keymap table doesn't fill all entries that were used
before since some keys aren't found on this machine at all.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=69761
Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=812209
Reported-and-tested-by: Federico Vecchiarelli <fedev@gmx.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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Only pin 0-7 support input, so the valid offset range should be 0 ~ 7.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
Pull 9p fixes from Eric Van Hensbergen:
"Two bug fixes, one in xattr error path and the other in parsing
major/minor numbers from devices"
* tag 'for-linus-3.16-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
9P: fix return value in v9fs_fid_xattr_set
fs/9p: adjust sscanf parameters accordingly to the variable types
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This function is supposed to return true if the new load imbalance is
worse than the old one. It didn't. I can only hope brown paper bags
are in style.
Now things converge much better on both the 4 node and 8 node systems.
I am not sure why this did not seem to impact specjbb performance on the
4 node system, which is the system I have full-time access to.
This bug was introduced recently, with commit e63da03639cc ("sched/numa:
Allow task switch if load imbalance improves")
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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shrink_inactive_list() used to wait 0.1s to avoid congestion when all
the pages that were isolated from the inactive list were dirty but not
under active writeback. That makes no real sense, and apparently causes
major interactivity issues under some loads since 3.11.
The ostensible reason for it was to wait for kswapd to start writing
pages, but that seems questionable as well, since the congestion wait
code seems to trigger for kswapd itself as well. Also, the logic behind
delaying anything when we haven't actually started writeback is not
clear - it only delays actually starting that writeback.
We'll still trigger the congestion waiting if
(a) the process is kswapd, and we hit pages flagged for immediate
reclaim
(b) the process is not kswapd, and the zone backing dev writeback is
actually congested.
This probably needs to be revisited, but as it is this fixes a reported
regression.
Reported-by: Felipe Contreras <felipe.contreras@gmail.com>
Pinpointed-by: Hillf Danton <dhillf@gmail.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Clean ups and miscellaneous bug fixes, in particular for the new
collapse_range and zero_range fallocate functions. In addition,
improve the scalability of adding and remove inodes from the orphan
list"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (25 commits)
ext4: handle symlink properly with inline_data
ext4: fix wrong assert in ext4_mb_normalize_request()
ext4: fix zeroing of page during writeback
ext4: remove unused local variable "stored" from ext4_readdir(...)
ext4: fix ZERO_RANGE test failure in data journalling
ext4: reduce contention on s_orphan_lock
ext4: use sbi in ext4_orphan_{add|del}()
ext4: use EXT_MAX_BLOCKS in ext4_es_can_be_merged()
ext4: add missing BUFFER_TRACE before ext4_journal_get_write_access
ext4: remove unnecessary double parentheses
ext4: do not destroy ext4_groupinfo_caches if ext4_mb_init() fails
ext4: make local functions static
ext4: fix block bitmap validation when bigalloc, ^flex_bg
ext4: fix block bitmap initialization under sparse_super2
ext4: find the group descriptors on a 1k-block bigalloc,meta_bg filesystem
ext4: avoid unneeded lookup when xattr name is invalid
ext4: fix data integrity sync in ordered mode
ext4: remove obsoleted check
ext4: add a new spinlock i_raw_lock to protect the ext4's raw inode
ext4: fix locking for O_APPEND writes
...
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git://git.linuxfoundation.org/llvmlinux/kernel
Pull LLVM patches from Behan Webster:
"Next set of patches to support compiling the kernel with clang.
They've been soaking in linux-next since the last merge window.
More still in the works for the next merge window..."
* tag 'llvmlinux-for-v3.16' of git://git.linuxfoundation.org/llvmlinux/kernel:
arm, unwind, LLVMLinux: Enable clang to be used for unwinding the stack
ARM: LLVMLinux: Change "extern inline" to "static inline" in glue-cache.h
all: LLVMLinux: Change DWARF flag to support gcc and clang
net: netfilter: LLVMLinux: vlais-netfilter
crypto: LLVMLinux: aligned-attribute.patch
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 vdso build fix from Peter Anvin:
"This fixes building the vdso code on older Linux systems, and probably
some non-Linux systems"
* 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, vdso: Use <tools/le_byteshift.h> for littleendian access
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Now that 3.15 is released, this merges the 'next' branch into 'master',
bringing us to the normal situation where my 'master' branch is the
merge window.
* accumulated work in next: (6809 commits)
ufs: sb mutex merge + mutex_destroy
powerpc: update comments for generic idle conversion
cris: update comments for generic idle conversion
idle: remove cpu_idle() forward declarations
nbd: zero from and len fields in NBD_CMD_DISCONNECT.
mm: convert some level-less printks to pr_*
MAINTAINERS: adi-buildroot-devel is moderated
MAINTAINERS: add linux-api for review of API/ABI changes
mm/kmemleak-test.c: use pr_fmt for logging
fs/dlm/debug_fs.c: replace seq_printf by seq_puts
fs/dlm/lockspace.c: convert simple_str to kstr
fs/dlm/config.c: convert simple_str to kstr
mm: mark remap_file_pages() syscall as deprecated
mm: memcontrol: remove unnecessary memcg argument from soft limit functions
mm: memcontrol: clean up memcg zoneinfo lookup
mm/memblock.c: call kmemleak directly from memblock_(alloc|free)
mm/mempool.c: update the kmemleak stack trace for mempool allocations
lib/radix-tree.c: update the kmemleak stack trace for radix tree allocations
mm: introduce kmemleak_update_trace()
mm/kmemleak.c: use %u to print ->checksum
...
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for it"
This reverts commit 3e1a878b7ccdb31da6d9d2b855c72ad87afeba3f.
It came in very late, and already has one reported failure: Sitsofe
reports that the current tree fails to boot on his EeePC, and bisected
it down to this. Rather than waste time trying to figure out what's
wrong, just revert it.
Reported-by: Sitsofe Wheeler <sitsofe@gmail.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Toshi Kani <toshi.kani@hp.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.linaro.org/people/mike.turquette/linux into next
Pull clock framework updates from Mike Turquette:
"The clock framework changes for 3.16 are pretty typical: mostly clock
driver additions and fixes. There are additions to the clock core
code for some of the basic types (e.g. the common divider type has
some fixes and featured added to it).
One minor annoyance is a last-minute dependency that wasn't handled
quite right. Commit ba0fae3b06a6 ("clk: berlin: add core clock driver
for BG2/BG2CD") in this pull request depends on
include/dt-bindings/clock/berlin2.h, which is already in your tree via
the arm-soc pull request. Building for the berlin platform will break
when the clk tree is built on it's own, but merged into your master
branch everything should be fine"
* tag 'clk-for-linus-3.16' of git://git.linaro.org/people/mike.turquette/linux: (75 commits)
mmc: sunxi: Add driver for SD/MMC hosts found on Allwinner sunxi SoCs
clk: export __clk_round_rate for providers
clk: versatile: free icst on error return
clk: qcom: Return error pointers for unimplemented clocks
clk: qcom: Support msm8974pro global clock control hardware
clk: qcom: Properly support display clocks on msm8974
clk: qcom: Support display RCG clocks
clk: qcom: Return highest rate when round_rate() exceeds plan
clk: qcom: Fix mmcc-8974's PLL configurations
clk: qcom: Fix clk_rcg2_is_enabled() check
clk: berlin: add core clock driver for BG2Q
clk: berlin: add core clock driver for BG2/BG2CD
clk: berlin: add driver for BG2x complex divider cells
clk: berlin: add driver for BG2x simple PLLs
clk: berlin: add driver for BG2x audio/video PLL
clk: st: Terminate of match table
clk/exynos4: Fix compilation warning
ARM: shmobile: r8a7779: Add clock index macros for DT sources
clk: divider: Fix overflow in clk_divider_bestdiv
clk: u300: Terminate of match table
...
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Pull VFIO updates from Alex Williamson:
"A handful of VFIO bug fixes for v3.16"
* tag 'vfio-v3.16-rc1' of git://github.com/awilliam/linux-vfio:
drivers/vfio/pci: Fix wrong MSI interrupt count
drivers/vfio: Rework offsetofend()
vfio/iommu_type1: Avoid overflow
vfio/pci: Fix unchecked return value
vfio/pci: Fix sizing of DPA and THP express capabilities
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into next
Pull crypto updates from Herbert Xu:
"Here is the crypto update for 3.16:
- Added test vectors for SHA/AES-CCM/DES-CBC/3DES-CBC.
- Fixed a number of error-path memory leaks in tcrypt.
- Fixed error-path memory leak in caam.
- Removed unnecessary global mutex from mxs-dcp.
- Added ahash walk interface that can actually be asynchronous.
- Cleaned up caam error reporting.
- Allow crypto_user get operation to be used by non-root users.
- Add support for SSS module on Exynos.
- Misc fixes"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6: (60 commits)
crypto: testmgr - add aead cbc des, des3_ede tests
crypto: testmgr - Fix DMA-API warning
crypto: cesa - tfm->__crt_alg->cra_type directly
crypto: sahara - tfm->__crt_alg->cra_name directly
crypto: padlock - tfm->__crt_alg->cra_name directly
crypto: n2 - tfm->__crt_alg->cra_name directly
crypto: dcp - tfm->__crt_alg->cra_name directly
crypto: cesa - tfm->__crt_alg->cra_name directly
crypto: ccp - tfm->__crt_alg->cra_name directly
crypto: geode - Don't use tfm->__crt_alg->cra_name directly
crypto: geode - Weed out printk() from probe()
crypto: geode - Consistently use AES_KEYSIZE_128
crypto: geode - Kill AES_IV_LENGTH
crypto: geode - Kill AES_MIN_BLOCK_SIZE
crypto: mxs-dcp - Remove global mutex
crypto: hash - Add real ahash walk interface
hwrng: n2-drv - Introduce the use of the managed version of kzalloc
crypto: caam - reinitialize keys_fit_inline for decrypt and givencrypt
crypto: s5p-sss - fix multiplatform build
hwrng: timeriomem - remove unnecessary OOM messages
...
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Pull exofs raid6 support from Boaz Harrosh:
"These simple patches will enable raid6 using the kernel's raid6_pq
engine for support under exofs and pnfs-objects.
There is nothing needed to do at exofs and pnfs-obj. Just fire your
mkfs.exofs with --raid=6 (that was already supported before) and off
you go as usual. The ORE will pick up the new map and will start
writing two devices of redundancy bits. The patches are so simple
because most of the ORE was already for the general raid case, only a
few bug fixes were needed and the actual wiring into the raid6_pq
engine"
* 'for-linus' of git://git.open-osd.org/linux-open-osd:
ore: Support for raid 6
ore: Remove redundant dev_order(), more cleanups
ore: (trivial) reformat some code
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fix from Chris Mason:
"I had this in my 3.16 merge window queue, but it is small and obvious
enough for 3.15. I cherry-picked and retested against current rc8"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: send, fix corrupted path strings for long paths
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Pull SCSI target fixes from Nicholas Bellinger:
"Here are the remaining fixes for v3.15.
This series includes:
- iser-target fix for ImmediateData exception reference count bug
(Sagi + nab)
- iscsi-target fix for MC/S login + potential iser-target MRDSL
buffer overrun (Santosh + Roland)
- iser-target fix for v3.15-rc multi network portal shutdown
regression (nab)
- target fix for allowing READ_CAPCITY during ALUA Standby access
state (Chris + nab)
- target fix for NULL pointer dereference of alua_access_state for
un-configured devices (Chris + nab)"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: Fix alua_access_state attribute OOPs for un-configured devices
target: Allow READ_CAPACITY opcode in ALUA Standby access state
iser-target: Fix multi network portal shutdown regression
iscsi-target: Fix wrong buffer / buffer overrun in iscsi_change_param_value()
iser-target: Add missing target_put_sess_cmd for ImmedateData failure
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
"A significantly larger than I'd like set of patches for just below the
wire. All of these, however, fix real problems.
The one thing that is genuinely scary in here is the change of SMP
initialization, but that *does* fix a confirmed hang when booting
virtual machines.
There is also a patch to actually do the right thing about not
offlining a CPU when there are not enough interrupt vectors available
in the system; the accounting was done incorrectly. The worst case
for that patch is that we fail to offline CPUs when we should (the new
code is strictly more conservative than the old), so is not
particularly risky.
Most of the rest is minor stuff; the EFI patches are all about
exporting correct information to boot loaders and kexec"
* 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: EFI_MIXED should not prohibit loading above 4G
x86/smpboot: Initialize secondary CPU only if master CPU will wait for it
x86/smpboot: Log error on secondary CPU wakeup failure at ERR level
x86: Fix list/memory corruption on CPU hotplug
x86: irq: Get correct available vectors for cpu disable
x86/efi: Do not export efi runtime map in case old map
x86/efi: earlyprintk=efi,keep fix
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Patch to prevent warning of a buggy compiler when using clang and
the ARM_UNWIND option.
Clang defines (at least on the current trunk) GNUC, GNUC_MINOR, and
GNUC_PATCHLEVEL to 4, 2, and 1 respectively.
This version of GCC gets flagged as buggy, but it isn't actually an
issue with clang so the patch will do what it did before unless clang
is defined and then it will not report the GCC version as an issue.
Signed-off-by: Mark Charlebois <charlebm@gmail.com>
Signed-off-by: Behan Webster <behanw@converseincode.com>
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With compilers which follow the C99 standard (like modern versions of gcc and
clang), "extern inline" does the wrong thing (emits code for an externally
linkable version of the inline function). "static inline" is the correct choice
instead.
Author: Behan Webster <behanw@converseincode.com>
Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
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Both gcc (well, actually gnu as) and clang support the "-Wa,-gdwarf-2" option
(though clang does not support "-Wa,--gdwarf-2"). Since these flags are equivalent
in meaning, this patch uses the one which is better supported across compilers.
Signed-off-by: Behan Webster <behanw@converseincode.com>
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Replaced non-standard C use of Variable Length Arrays In Structs (VLAIS) in
xt_repldata.h with a C99 compliant flexible array member and then calculated
offsets to the other struct members. These other members aren't referenced by
name in this code, however this patch maintains the same memory layout and
padding as was previously accomplished using VLAIS.
Had the original structure been ordered differently, with the entries VLA at
the end, then it could have been a flexible member, and this patch would have
been a lot simpler. However since the data stored in this structure is
ultimately exported to userspace, the order of this structure can't be changed.
This patch makes no attempt to change the existing behavior, merely the way in
which the current layout is accomplished using standard C99 constructs. As such
the code can now be compiled with either gcc or clang.
This version of the patch removes the trailing alignment that the VLAIS
structure would allocate in order to simplify the patch.
Author: Mark Charlebois <charlebm@gmail.com>
Signed-off-by: Mark Charlebois <charlebm@gmail.com>
Signed-off-by: Behan Webster <behanw@converseincode.com>
Signed-off-by: Vinícius Tinti <viniciustinti@gmail.com>
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__attribute__((aligned)) applies the default alignment for the largest scalar
type for the target ABI. gcc allows it to be applied inline to a defined type.
Clang only allows it to be applied to a type definition (PR11071).
Making it into 2 lines makes it more readable and works with both compilers.
Author: Mark Charlebois <charlebm@gmail.com>
Signed-off-by: Mark Charlebois <charlebm@gmail.com>
Signed-off-by: Behan Webster <behanw@converseincode.com>
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commit 7d453eee36ae ("x86/efi: Wire up CONFIG_EFI_MIXED") introduced a
regression for the functionality to load kernels above 4G. The relevant
(incorrect) reasoning behind this change can be seen in the commit
message,
"The xloadflags field in the bzImage header is also updated to reflect
that the kernel supports both entry points by setting both of
XLF_EFI_HANDOVER_32 and XLF_EFI_HANDOVER_64 when CONFIG_EFI_MIXED=y.
XLF_CAN_BE_LOADED_ABOVE_4G is disabled so that the kernel text is
guaranteed to be addressable with 32-bits."
This is obviously bogus since 32-bit EFI loaders will never place the
kernel above the 4G mark. So this restriction is entirely unnecessary.
But things are worse than that - since we want to encourage people to
always compile with CONFIG_EFI_MIXED=y so that their kernels work out of
the box for both 32-bit and 64-bit firmware, commit 7d453eee36ae
effectively disables XLF_CAN_BE_LOADED_ABOVE_4G completely.
Remove the overzealous and superfluous restriction and restore the
XLF_CAN_BE_LOADED_ABOVE_4G functionality.
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Link: http://lkml.kernel.org/r/1402140380-15377-1-git-send-email-matt@console-pimps.org
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Merge more updates from Andrew Morton:
- Most of the rest of MM.
This includes "mark remap_file_pages syscall as deprecated" but the
actual "replace remap_file_pages syscall with emulation" is held
back. I guess we'll need to work out when to pull the trigger on
that one.
- various minor cleanups to obscure filesystems
- the drivers/rtc queue
- hfsplus updates
- ufs, hpfs, fatfs, affs, reiserfs
- Documentation/
- signals
- procfs
- cpu hotplug
- lib/idr.c
- rapidio
- sysctl
- ipc updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (171 commits)
ufs: sb mutex merge + mutex_destroy
powerpc: update comments for generic idle conversion
cris: update comments for generic idle conversion
idle: remove cpu_idle() forward declarations
nbd: zero from and len fields in NBD_CMD_DISCONNECT.
mm: convert some level-less printks to pr_*
MAINTAINERS: adi-buildroot-devel is moderated
MAINTAINERS: add linux-api for review of API/ABI changes
mm/kmemleak-test.c: use pr_fmt for logging
fs/dlm/debug_fs.c: replace seq_printf by seq_puts
fs/dlm/lockspace.c: convert simple_str to kstr
fs/dlm/config.c: convert simple_str to kstr
mm: mark remap_file_pages() syscall as deprecated
mm: memcontrol: remove unnecessary memcg argument from soft limit functions
mm: memcontrol: clean up memcg zoneinfo lookup
mm/memblock.c: call kmemleak directly from memblock_(alloc|free)
mm/mempool.c: update the kmemleak stack trace for mempool allocations
lib/radix-tree.c: update the kmemleak stack trace for radix tree allocations
mm: introduce kmemleak_update_trace()
mm/kmemleak.c: use %u to print ->checksum
...
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Commit 788257d6101d ("ufs: remove the BKL") replaced BKL with mutex
protection using functions lock_ufs, unlock_ufs and struct mutex 'mutex'
in sb_info.
Commit b6963327e052 ("ufs: drop lock/unlock super") removed lock/unlock
super and added struct mutex 's_lock' in sb_info.
Those 2 mutexes are generally locked/unlocked at the same time except in
allocation (balloc, ialloc).
This patch merges the 2 mutexes and propagates first commit solution.
It also adds mutex destruction before kfree during ufs_fill_super
failure and ufs_put_super.
[akpm@linux-foundation.org: avoid ifdefs, return -EROFS not -EINVAL]
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Evgeniy Dushistov <dushistov@mail.ru>
Cc: "Chen, Jet" <jet.chen@intel.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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As of commit 799fef06123f ("powerpc: Use generic idle loop"), this
applies to arch_cpu_idle() instead of cpu_idle().
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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As of commit 8dc7c5ecd8d0 ("cris: Use generic idle loop"), cris no
longer provides cpu_idle().
- On cris-v10, etrax_gpio_wake_up_check() is called from default_idle()
instead of cpu_idle(),
- On cris-v32, etrax_gpio_wake_up_check() is not called from
default_idle(), so remove this (copy-and-paste?) part.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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After all architectures were converted to the generic idle framework,
commit d190e8195b90 ("idle: Remove GENERIC_IDLE_LOOP config switch")
removed the last caller of cpu_idle(). The forward declarations in
header files were forgotten.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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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Len field is already set to zero, but not the from field which is sent
as 0xfffffffffffffe00. This makes no sense, and may cause confuse
server implementations doing sanity checks (qemu-nbd is an example.)
Signed-off-by: Hani Benhabiles <hani@linux.com>
Cc: Paul Clements <paul.clements@us.sios.com>
Cc: Paul Clements <Paul.Clements@steeleye.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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printk is meant to be used with an associated log level. There are some
instances of printk scattered around the mm code where the log level is
missing. Add a log level and adhere to suggestions by
scripts/checkpatch.pl by moving to the pr_* macros.
Also add the typical pr_fmt definition so that print statements can be
easily traced back to the modules where they occur, correlated one with
another, etc. This will require the removal of some (now redundant)
prefixes on a few print statements.
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This makes it more likely that patch submitters will CC API/ABI changes to
the linux-api list, and tools like get_maintainer.pl will do so
automatically.
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Michael Kerrisk <mtk.man-pages@gmail.com>
Cc: Joe Perches <joe@perches.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Fabian Frederick <fabf@skynet.be>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Replace seq_printf where possible. This patch also fixes the following
checkpatch warning "unnecessary whitespace before a quoted newline"
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Christine Caulfield <ccaulfie@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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