Commit Graph

450105 Commits

Author SHA1 Message Date
Rahul Sharma
0b1643b39d clk/exynos5250: fix bit number for tv sysmmu clock
Change bit from 2 to 9 for tv (mixer) sysmmu clock.

Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Reviewed-by: Sachin Kamat <sachin.kamat@samsung.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
2014-06-30 14:46:36 +02:00
Charles Keepax
a92dda4bfa clk: s3c64xx: Hookup SPI clocks correctly
In the move to this clock driver the hookups for the SPI clocks were
dropped, which causes my system Cragganmore (s3c6410 based) to be unable
to locate any spibus clocks. This patch adds them back in.

When taking the clock from the epll clock (SCLK) the rates on the SPI
bus are incorrect, this needs further debugging but the hookup here
should be correct and the problem should be else where.

The USBCLK case has been dropped because this requires the USB PHY to be
enabled.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
2014-06-30 14:46:26 +02:00
Tomasz Figa
a37c82a3b3 clk: samsung: exynos4: Remove SRC_MASK_ISP gates
ISP special clocks have dedicated gating registers and so MUX SRC_MASK
register should not be used. This patch fixes the problem of
Exynos4x12-based boards freezing on system suspend, because those
mux outputs need not to be masked while suspending.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Cc: Mike Turquette <mturquette@linaro.org>
2014-06-30 14:46:03 +02:00
Vasily Khoruzhick
34ece9e610 clk: samsung: add more aliases for s3c24xx
Without these aliases clock lookup fails in s3c2410fb,
s3cmci, s3c2410-nand, s3c24xx-i2s, and i2c-s3c2410 drivers.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
2014-06-30 14:45:56 +02:00
Vasily Khoruzhick
cec1cdea6f clk: samsung: fix several typos to fix boot on s3c2410
There's a several typos in a driver: 2410 instead of S3C2410
and wrong argument to ARRAY_SIZE(). They prevent s3c2410
from properly booting.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
2014-06-30 14:44:16 +02:00
Mike Turquette
b640a6037c Rebase of Emilio's clk-sunxi-for-3.16 on top of clk-next
Fixed a few compilation warnings exposed by a patch introduced during the 3.16
 merge window.
 
 Original tag message:
 
 Allwinner sunXi SoCs clock changes
 
 This pull contains some new code to add support for A31 clocks by Maxime
 and Boris. It also reworks the driver a bit to avoid having a huge
 single file when we have a full folder for ourselves, and separating
 different functional units makes sense.
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Merge tag 'sunxi-clk-for-3.16-2' of https://github.com/mripard/linux into clk-next

Rebase of Emilio's clk-sunxi-for-3.16 on top of clk-next

Fixed a few compilation warnings exposed by a patch introduced during the 3.16
merge window.

Original tag message:

Allwinner sunXi SoCs clock changes

This pull contains some new code to add support for A31 clocks by Maxime
and Boris. It also reworks the driver a bit to avoid having a huge
single file when we have a full folder for ourselves, and separating
different functional units makes sense.
2014-06-11 07:11:59 -07:00
Boris BREZILLON
5c89a8b657 clk: sunxi: document PRCM clock compatible strings
Document new compatible strings for clock provided by the PRCM
(Power/Reset/Clock Management) unit.

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11 10:25:03 +02:00
Boris BREZILLON
c8a76cac19 clk: sunxi: add PRCM (Power/Reset/Clock Management) clks support
The PRCM (Power/Reset/Clock Management) unit provides several clock
devices:
- AR100 clk: used to clock the Power Management co-processor
- AHB0 clk: used to clock the AHB0 bus
- APB0 clk and gates: used to clk peripherals connected to the APB0 bus

Add support for these clks in a separate driver so that they can be probed
as platform devices instead of registered during early init.
This is needed to be able to probe PRCM MFD subdevices.

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11 10:25:02 +02:00
Maxime Ripard
efb3184c08 clk: sun6i: Protect SDRAM gating bit
Prevent the SDRAM controller from being gated by force-enabling it in the
machine code.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11 10:25:02 +02:00
Maxime Ripard
2df73f40dc clk: sun6i: Protect CPU clock
Right now, AHB is an indirect child clock of the CPU clock. If that
happens to change, since the CPU clock has no other consumers declared
in Linux, it would be shut down, which is not really a good idea.

Prevent this by forcing it enabled.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11 10:25:01 +02:00
Maxime Ripard
134a6690a3 clk: sunxi: Rework clock protection code
Since we start to have a lot of clocks to protect, some of them in a
few SoCs only, it becomes difficult to handle the clock protection
without having to add per machine exceptions.

Add per-SoC data to tell which clock to leave enabled.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11 10:25:01 +02:00
Maxime Ripard
59cb10e32a clk: sunxi: Move the GMAC clock to a file of its own
Since we have a folder of our own, we can actually make use of it by
splitting the huge clock file into several sub drivers.

The gmac clock is pretty easy to deal with, since it's pretty much
isolated and doesn't have any dependency on the other clocks.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11 09:58:44 +02:00
Maxime Ripard
ff01df28e5 clk: sunxi: Move the 24M oscillator to a file of its own
Since we have a folder of our own, we can actually make use of it by
splitting the huge clock file into several sub drivers.

The main oscillator is pretty easy to deal with, since it's pretty much
isolated.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11 09:58:44 +02:00
Maxime Ripard
2c6fba1038 clk: sunxi: Remove calls to clk_put
Callers of clk_put must disable the clock first. This also means that
as long as the clock is enabled the driver should hold a reference to
that clock. Hence, the call to clk_put here are bogus and should be
removed.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11 09:58:44 +02:00
Emilio López
6d1d14d5ce clk: sunxi: document new A31 USB clock compatible
Support for the USB gates and resets on A31 has been recently added
using a new compatible, so let's document it here.

Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11 09:58:43 +02:00
Maxime Ripard
e0e7943c55 clk: sunxi: Implement A31 USB clock
The A31 USB clock slightly differ from its older counterparts, mostly
because it has a different gate for each PHY, while the older one had
a single gate for all the phy.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11 09:58:43 +02:00
Mike Turquette
3f6eec9969 Merge branch 'for-v3.16/ti-clk-drv' of github.com:t-kristo/linux-pm into clk-next 2014-06-10 16:53:25 -07:00
Linus Torvalds
963649d735 9p fixes for the 3.16 merge window
Two bug fixes, one in xattr error path and the other in parsing
 major/minor numbers from devices.
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Merge tag 'for-linus-3.16-merge-window' of 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
2014-06-08 14:35:19 -07:00
Rik van Riel
1662867a9b numa,sched: fix load_to_imbalanced logic inversion
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 e63da03639 ("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>
2014-06-08 14:35:05 -07:00
Linus Torvalds
b738d76465 Don't trigger congestion wait on dirty-but-not-writeout pages
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>
2014-06-08 14:17:00 -07:00
Linus Torvalds
f8409abdc5 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.
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Merge tag 'ext4_for_linus' of 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
  ...
2014-06-08 13:03:35 -07:00
Linus Torvalds
b20dcab9d4 LLVMLinux patches for v3.16
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Merge tag 'llvmlinux-for-v3.16' of 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
2014-06-08 12:27:44 -07:00
Linus Torvalds
ed81e780a7 Merge branch 'x86-vdso-for-linus' of 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
2014-06-08 12:26:43 -07:00
Linus Torvalds
3f17ea6dea Merge branch 'next' (accumulated 3.16 merge window patches) into master
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
  ...
2014-06-08 11:31:16 -07:00
Linus Torvalds
1860e37987 Linux 3.15 2014-06-08 11:19:54 -07:00
Linus Torvalds
bb077d6006 Revert "x86/smpboot: Initialize secondary CPU only if master CPU will wait for it"
This reverts commit 3e1a878b7c.

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>
2014-06-08 10:09:49 -07:00
Linus Torvalds
1a5700bc2d 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. ba0fae3 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.
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Merge tag 'clk-for-linus-3.16' of 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 ba0fae3b06 ("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
  ...
2014-06-07 20:27:30 -07:00
Linus Torvalds
a68a7509d3 A handful of VFIO bug fixes for v3.16
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Merge tag 'vfio-v3.16-rc1' of git://github.com/awilliam/linux-vfio into next

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
2014-06-07 20:12:15 -07:00
Linus Torvalds
639b4ac691 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6 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
  ...
2014-06-07 19:44:40 -07:00
Linus Torvalds
9d2cd01b15 Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd into next
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
2014-06-07 17:07:20 -07:00
Linus Torvalds
c593e89787 Merge branch 'for-linus' of 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
2014-06-07 15:12:18 -07:00
Linus Torvalds
052e5c7e28 Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
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
2014-06-07 15:01:39 -07:00
Linus Torvalds
813895f8dc Merge branch 'x86/urgent' of 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
2014-06-07 14:50:38 -07:00
Mark Charlebois
e6b8075770 arm, unwind, LLVMLinux: Enable clang to be used for unwinding the stack
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>
2014-06-07 11:44:39 -07:00
Behan Webster
76ae038287 ARM: LLVMLinux: Change "extern inline" to "static inline" in glue-cache.h
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>
2014-06-07 11:44:39 -07:00
Behan Webster
2288328ce9 all: LLVMLinux: Change DWARF flag to support gcc and clang
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>
2014-06-07 11:44:39 -07:00
Mark Charlebois
066c6807f7 net: netfilter: LLVMLinux: vlais-netfilter
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>
2014-06-07 11:44:39 -07:00
Mark Charlebois
66d8ea5728 crypto: LLVMLinux: aligned-attribute.patch
__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>
2014-06-07 11:44:39 -07:00
Matt Fleming
745c51673e x86/boot: EFI_MIXED should not prohibit loading above 4G
commit 7d453eee36 ("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 7d453eee36
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>
2014-06-07 09:31:00 -07:00
Linus Torvalds
57d326169e Merge branch 'akpm' (patches from Andrew Morton) into next
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
  ...
2014-06-06 16:35:10 -07:00
Fabian Frederick
0244756edc ufs: sb mutex merge + mutex_destroy
Commit 788257d610 ("ufs: remove the BKL") replaced BKL with mutex
protection using functions lock_ufs, unlock_ufs and struct mutex 'mutex'
in sb_info.

Commit b6963327e0 ("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>
2014-06-06 16:08:18 -07:00
Geert Uytterhoeven
0d2b7ea928 powerpc: update comments for generic idle conversion
As of commit 799fef0612 ("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>
2014-06-06 16:08:18 -07:00
Geert Uytterhoeven
835eeeed73 cris: update comments for generic idle conversion
As of commit 8dc7c5ecd8 ("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>
2014-06-06 16:08:18 -07:00
Geert Uytterhoeven
ae022622ae idle: remove cpu_idle() forward declarations
After all architectures were converted to the generic idle framework,
commit d190e8195b ("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>
2014-06-06 16:08:18 -07:00
Hani Benhabiles
04cfac4e40 nbd: zero from and len fields in NBD_CMD_DISCONNECT.
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>
2014-06-06 16:08:18 -07:00
Mitchel Humpherys
b1de0d139c mm: convert some level-less printks to pr_*
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>
2014-06-06 16:08:18 -07:00
Richard Weinberger
b3fe92b03d MAINTAINERS: adi-buildroot-devel is moderated
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>
2014-06-06 16:08:18 -07:00
Josh Triplett
ea8f8fc863 MAINTAINERS: add linux-api for review of API/ABI changes
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>
2014-06-06 16:08:18 -07:00
Fabian Frederick
f59428ab73 mm/kmemleak-test.c: use pr_fmt for logging
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>
2014-06-06 16:08:18 -07:00
Fabian Frederick
c1d4518c4e fs/dlm/debug_fs.c: replace seq_printf by seq_puts
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>
2014-06-06 16:08:18 -07:00