Commit Graph

456363 Commits

Author SHA1 Message Date
Sam Ravnborg 6b8b5507ed sparc64: update IO access functions in PeeCeeI
The PeeCeeI.c code used in*() + out*() for IO access.
But these are in little endian and the native (big) endian
result was required which resulted in some bit-shifting.
Shift the code over to use the __raw_*() variants all over.

This simplifies the code as we can drop the calls
to le16_to_cpu() and le32_to_cpu().
And it should be a little faster too.

With this change we now uses the same type of IO access functions
in all of the file.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-21 21:43:18 -07:00
Sam Ravnborg d650471a39 sparcspkr: use sbus_*() primitives for IO
The memory are mapped using of_ioremap() which is
an indication this is sbus memory.
Shift all uses of inb/outb to the sbus variants.

The inb/outb methods uses ASI_PHYS_BYPASS_EC_E_L,
whereas sbus_ variants uses ASI_PHYS_BYPASS_EC_E.

The difference is if the reads/writes are done in
native or little endian.
But for byte reads/writes there is no difference
so this does not matter for inb/outb - and this
driver only uses the byte variants.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-21 21:43:18 -07:00
Khalid Aziz 07d6692133 sparc: Add support for seek and shorter read to /dev/mdesc
/dev/mdesc on Linux does not support reading arbitrary number
of bytes and seeking while /dev/mdesc on Solaris does. This
causes tools that work on Solaris to break on Linux. This patch
adds these two capabilities to /dev/mdesc.

Signed-off-by: Khalid Aziz <khalid.aziz@oracle.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-21 21:37:06 -07:00
Kees Cook e7fbaf016e sparc: use %s for unaligned panic
Since unaligned_panic() takes a literal string, make sure it can never
accidentally be used as a format string.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-21 21:37:06 -07:00
Rasmus Villemoes 54dcf0ceb8 drivers/sbus/char: Micro-optimization in display7seg.c
Flipping a bit doesn't need four lines of code; and gcc seems to
actually generate two branches.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-21 21:37:05 -07:00
Himangi Saraogi 57a4a3d7f7 display7seg: Introduce the use of the managed version of kzalloc
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 header file is added to make the devm function explicitly
available.

The following Coccinelle semantic patch was used for making a part of
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>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-21 21:37:05 -07:00
bob picco f6d4fb5cc0 sparc64 - add mem to iomem resource
This patch adds sparc RAM to /proc/iomem. It also identifies the
code, data and bss regions of the kernel.

Signed-off-by: Bob Picco <bob.picco@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-21 21:37:05 -07:00
Linus Torvalds 9a3c4145af Linux 3.16-rc6 2014-07-20 21:04:16 -07:00
Linus Torvalds b7a68369ea Staging fixes for 3.16-rc6
Here are 2 IIO driver fixes for 3.16-rc6 that resolve some reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull more IIO driver fixes from Greg KH:
 "Here are two IIO driver fixes for 3.16-rc6 that resolve some reported
  issues"

* tag 'staging-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  iio: mma8452: Use correct acceleration units.
  iio:core: Handle error when mask type is not separate
2014-07-20 20:44:53 -07:00
Linus Torvalds caa7c4e172 USB fixes for 3.16-rc6
Here are 2 USB patches that resolve some reported issues, one with an
 odd HUB, and one in the chipidea driver.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are two USB patches that resolve some reported issues, one with
  an odd HUB, and one in the chipidea driver"

* tag 'usb-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: Check if port status is equal to RxDetect
  usb: chipidea: udc: Disable auto ZLP generation on ep0
2014-07-20 20:44:18 -07:00
Linus Torvalds f47d5bb02e driver core fix for 3.16-rc6
Here is a single driver core fix that reverts an older patch that has
 been causing a number of reported problems with the platform devices.
 
 This revert has been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fix from Greg KH:
 "Here is a single driver core fix that reverts an older patch that has
  been causing a number of reported problems with the platform devices.

  This revert has been in linux-next for a while with no reported issues"

* tag 'driver-core-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  platform_get_irq: Revert to platform_get_resource if of_irq_get fails
2014-07-20 20:43:46 -07:00
Linus Torvalds fa24615f4c char/misc fix for 3.16-rc6
Here's a single hyper-v driver fix for a reported issue.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fix from Greg KH:
 "Here's a single hyper-v driver fix for a reported issue"

* tag 'char-misc-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  Drivers: hv: hv_fcopy: fix a race condition for SMP guest
2014-07-20 20:43:14 -07:00
Linus Torvalds 5556ea4df6 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull intel drm fixes from Dave Airlie:
 "Intel fixes came in late, but since I debugged one of them I'll send
  them on,

  Two reverts, a quirk and one warn regression"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  Revert "drm/i915: reverse dp link param selection, prefer fast over wide again"
  drm/i915: Track the primary plane correctly when reassigning planes
  drm/i915: Ignore VBT backlight presence check on HP Chromebook 14
  Revert "drm/i915: Don't set the 8to6 dither flag when not scaling"
2014-07-20 20:39:28 -07:00
Linus Torvalds cfad81ce28 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML fixes from Richard Weinberger:
 "Four fixes, all discovered by Trinity"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
  um: segv: Save regs only in case of a kernel mode fault
  um: Fix hung task in fix_range_common()
  um: Ensure that a stub page cannot get unmapped
  Revert "um: Fix wait_stub_done() error handling"
2014-07-20 20:28:04 -07:00
Linus Torvalds da83fc6e0f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
 "We have two more fixes in my for-linus branch.

  I was hoping to also include a fix for a btrfs deadlock with
  compression enabled, but we're still nailing that one down"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  btrfs: test for valid bdev before kobj removal in btrfs_rm_device
  Btrfs: fix abnormal long waiting in fsync
2014-07-20 20:21:05 -07:00
Linus Torvalds 90d51d5606 NFS client fixes for Linux 3.16
Highlights include;
 - Stable fix for an NFSv3 posix ACL regression
 - Multiple fixes for regressions to the NFS generic read/write code
   - Fix page splitting bugs that come into play when a small rsize/wsize
     read/write needs to be sent again (due to error conditions or page
     redirty).
   - Fix nfs_wb_page_cancel, which is called by the "invalidatepage" method
 - Fix 2 compile warnings about unused variables.
 - Fix a performance issue affecting unstable writes.
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Merge tag 'nfs-for-3.16-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client fixes from Trond Myklebust:
 "Apologies for the relative lateness of this pull request, however the
  commits fix some issues with the NFS read/write code updates in
  3.16-rc1 that can cause serious Oopsing when using small r/wsize.  The
  delay was mainly due to extra testing to make sure that the fixes
  behave correctly.

  Highlights include;
   - Stable fix for an NFSv3 posix ACL regression
   - Multiple fixes for regressions to the NFS generic read/write code:
     - Fix page splitting bugs that come into play when a small
       rsize/wsize read/write needs to be sent again (due to error
       conditions or page redirty)
     - Fix nfs_wb_page_cancel, which is called by the "invalidatepage"
       method
   - Fix 2 compile warnings about unused variables
   - Fix a performance issue affecting unstable writes"

* tag 'nfs-for-3.16-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFS: Don't reset pg_moreio in __nfs_pageio_add_request
  NFS: Remove 2 unused variables
  nfs: handle multiple reqs in nfs_wb_page_cancel
  nfs: handle multiple reqs in nfs_page_async_flush
  nfs: change find_request to find_head_request
  nfs: nfs_page should take a ref on the head req
  nfs: mark nfs_page reqs with flag for extra ref
  nfs: only show Posix ACLs in listxattr if actually present
2014-07-20 19:55:44 -07:00
Richard Weinberger bb6a1b2e18 um: segv: Save regs only in case of a kernel mode fault
...otherwise me lose user mode regs and the resulting
stack trace is useless.

Signed-off-by: Richard Weinberger <richard@nod.at>
2014-07-20 13:39:27 +02:00
Richard Weinberger 468f65976a um: Fix hung task in fix_range_common()
If do_ops() fails we have to release current->mm->mmap_sem
otherwise the failing task will never terminate.

Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
2014-07-20 13:16:20 +02:00
Richard Weinberger 284e6d3951 um: Ensure that a stub page cannot get unmapped
Trinity discovered an execution path such that a task
can unmap his stub page.

Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
2014-07-20 13:09:15 +02:00
Richard Weinberger ae5db6d123 Revert "um: Fix wait_stub_done() error handling"
This reverts commit 0974a9cadc.
The real for for that issue is to release current->mm->mmap_sem in
fix_range_common().

Signed-off-by: Richard Weinberger <richard@nod.at>
2014-07-20 12:56:34 +02:00
Eric Sandeen 0bfaa9c5cb btrfs: test for valid bdev before kobj removal in btrfs_rm_device
commit 99994cd btrfs: dev delete should remove sysfs entry
added a btrfs_kobj_rm_device, which dereferences device->bdev...
right after we check whether device->bdev might be NULL.

I don't honestly know if it's possible to have a NULL device->bdev
here, but assuming that it is (given the test), we need to move
the kobject removal to be under that test.

(Coverity spotted this)

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Chris Mason <clm@fb.com>
2014-07-19 11:49:44 -07:00
Liu Bo 98ce2deda2 Btrfs: fix abnormal long waiting in fsync
xfstests generic/127 detected this problem.

With commit 7fc34a62ca, now fsync will only flush
data within the passed range.  This is the cause of the above problem,
-- btrfs's fsync has a stage called 'sync log' which will wait for all the
ordered extents it've recorded to finish.

In xfstests/generic/127, with mixed operations such as truncate, fallocate,
punch hole, and mapwrite, we get some pre-allocated extents, and mapwrite will
mmap, and then msync.  And I find that msync will wait for quite a long time
(about 20s in my case), thanks to ftrace, it turns out that the previous
fallocate calls 'btrfs_wait_ordered_range()' to flush dirty pages, but as the
range of dirty pages may be larger than 'btrfs_wait_ordered_range()' wants,
there can be some ordered extents created but not getting corresponding pages
flushed, then they're left in memory until we fsync which runs into the
stage 'sync log', and fsync will just wait for the system writeback thread
to flush those pages and get ordered extents finished, so the latency is
inevitable.

This adds a flush similar to btrfs_start_ordered_extent() in
btrfs_wait_logged_extents() to fix that.

Reviewed-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
2014-07-19 11:49:44 -07:00
Linus Torvalds d057190925 Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
 "The locking department delivers:

   - A rather large and intrusive bundle of fixes to address serious
     performance regressions introduced by the new rwsem / mcs
     technology.  Simpler solutions have been discussed, but they would
     have been ugly bandaids with more risk than doing the right thing.

   - Make the rwsem spin on owner technology opt-in for architectures
     and enable it only on the known to work ones.

   - A few fixes to the lockdep userspace library"

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/rwsem: Add CONFIG_RWSEM_SPIN_ON_OWNER
  locking/mutex: Disable optimistic spinning on some architectures
  locking/rwsem: Reduce the size of struct rw_semaphore
  locking/rwsem: Rename 'activity' to 'count'
  locking/spinlocks/mcs: Micro-optimize osq_unlock()
  locking/spinlocks/mcs: Introduce and use init macro and function for osq locks
  locking/spinlocks/mcs: Convert osq lock to atomic_t to reduce overhead
  locking/spinlocks/mcs: Rename optimistic_spin_queue() to optimistic_spin_node()
  locking/rwsem: Allow conservative optimistic spinning when readers have lock
  tools/liblockdep: Account for bitfield changes in lockdeps lock_acquire
  tools/liblockdep: Remove debug print left over from development
  tools/liblockdep: Fix comparison of a boolean value with a value of 2
2014-07-19 06:27:55 -10:00
Linus Torvalds d1743b810d Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Thomas Gleixner:
 "Prevent a possible divide by zero in the debugging code"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched: Fix possible divide by zero in avg_atom() calculation
2014-07-19 06:26:43 -10:00
Linus Torvalds cb20fd0779 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
 "Three patches addressing shortcomings in the ARM gic interrupt chip
  driver"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip: gic: Fix core ID calculation when topology is read from DT
  irqchip: gic: Add binding probe for ARM GIC400
  irqchip: gic: Add support for cortex a7 compatible string
2014-07-19 06:26:01 -10:00
Linus Torvalds b495c23cd4 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
 "A single fix for a long standing issue in the alarm timer subsystem,
  which was noticed recently when people finally started to use alarm
  timers for serious work"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  alarmtimer: Fix bug where relative alarm timers were treated as absolute
2014-07-19 06:25:03 -10:00
Linus Torvalds da5b99b454 Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU fixes from Thomas Gleixner:
 "Two RCU patches:
   - Address a serious performance regression on open/close caused by
     commit ac1bea8578 ("Make cond_resched() report RCU quiescent
     states")
   - Export RCU debug functions.  Not a regression, but enablement to
     address a serious recursion bug in the sl*b allocators in 3.17"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rcu: Reduce overhead of cond_resched() checks for RCU
  rcu: Export debug_init_rcu_head() and and debug_init_rcu_head()
2014-07-19 06:23:27 -10:00
Linus Torvalds d614cb0bc3 ARM: SoC fixes for 3.16-rc
A smaller set of fixes this week, and all regression fixes:
  - a handful of issues fixed on at91 with common clock conversion
  - a set of fixes for Marvell mvebu (SMP, coherency, PM)
  - a clock fix for i.MX6Q.
  - ... and a SMP/hotplug fix for Exynos
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A smaller set of fixes this week, and all regression fixes:
   - a handful of issues fixed on at91 with common clock conversion
   - a set of fixes for Marvell mvebu (SMP, coherency, PM)
   - a clock fix for i.MX6Q.
   - ... and a SMP/hotplug fix for Exynos"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: EXYNOS: Fix core ID used by platsmp and hotplug code
  ARM: at91/dt: add missing clocks property to pwm node in sam9x5.dtsi
  ARM: at91/dt: fix usb0 clocks definition in sam9n12 dtsi
  ARM: at91: at91sam9x5: correct typo error for ohci clock
  ARM: clk-imx6q: parent lvds_sel input from upstream clock gates
  ARM: mvebu: Fix coherency bus notifiers by using separate notifiers
  ARM: mvebu: Fix the operand list in the inline asm of armada_370_xp_pmsu_idle_enter
  ARM: mvebu: fix SMP boot for Armada 38x and Armada 375 Z1 in big endian
2014-07-18 20:49:47 -10:00
Dave Airlie e898c791e1 Merge tag 'drm-intel-fixes-2014-07-18' of git://anongit.freedesktop.org/drm-intel
But in any case nothing really shocking in
here, 2 reverts, 1 quirk and a regression fix a WARN.

* tag 'drm-intel-fixes-2014-07-18' of git://anongit.freedesktop.org/drm-intel:
  Revert "drm/i915: reverse dp link param selection, prefer fast over wide again"
  drm/i915: Track the primary plane correctly when reassigning planes
  drm/i915: Ignore VBT backlight presence check on HP Chromebook 14
  Revert "drm/i915: Don't set the 8to6 dither flag when not scaling"
2014-07-19 16:48:38 +10:00
Linus Torvalds 1b9f0efd61 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
 "A couple of key fixes and a few less critical ones.  The main ones
  are:

   - add a .bss section to the PE/COFF headers when building with EFI
     stub

   - invoke the correct paravirt magic when building the espfix page
     tables

  Unfortunately both of these areas also have at least one additional
  fix each still in thie pipeline, but which are not yet ready to push"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: Remove unused variable "polling"
  x86/espfix/xen: Fix allocation of pages for paravirt page tables
  x86/efi: Include a .bss section within the PE/COFF headers
  efi: fdt: Do not report an error during boot if UEFI is not available
  efi/arm64: efistub: remove local copy of linux_banner
2014-07-18 20:46:55 -10:00
Linus Torvalds b579fcca32 InfiniBand/RDMA fixes for 3.16
- cxgb4 hardware driver regression fixes
  - mlx5 hardware driver regression fixes
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull infiniband/rdma fixes from Roland Dreier:
 - cxgb4 hardware driver regression fixes
 - mlx5 hardware driver regression fixes

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  IB/mlx5: Enable "block multicast loopback" for kernel consumers
  RDMA/cxgb4: Call iwpm_init() only once
  mlx5_core: Fix possible race between mr tree insert/delete
  RDMA/cxgb4: Initialize the device status page
  RDMA/cxgb4: Clean up connection on ARP error
  RDMA/cxgb4: Fix skb_leak in reject_cr()
2014-07-18 20:39:34 -10:00
Linus Torvalds cfd1b99b4a More fallout from module tests and code inspection.
Fixes to temperature limit write operations in adt7470 driver.
 Also, dashes are not allowed in hwmon 'name' attributes.
 Fix drivers where necessary.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:
 "More fallout from module tests and code inspection.

  Fixes to temperature limit write operations in adt7470 driver.  Also,
  dashes are not allowed in hwmon 'name' attributes.  Fix drivers where
  necessary"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (adt7470) Fix writes to temperature limit registers
  hwmon: (da9055) Don't use dash in the name attribute
  hwmon: (da9052) Don't use dash in the name attribute
2014-07-18 20:37:24 -10:00
Linus Torvalds 0bae49b24c IOMMU Fixes for Linux v3.16-rc5
A couple of fixes for the Freescale PAMU driver queued up:
 
       * Fix PAMU window size check.
       * Fix the device domain attach condition.
       * Fix the error condition during iommu group
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Merge tag 'iommu-fixes-v3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu fixes from Joerg Roedel:
 "A couple of fixes for the Freescale PAMU driver queued up:

   - fix PAMU window size check.
   - fix the device domain attach condition.
   - fix the error condition during iommu group"

* tag 'iommu-fixes-v3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/fsl: Fix the error condition during iommu group
  iommu/fsl: Fix the device domain attach condition.
  iommu/fsl: Fix PAMU window size check.
2014-07-18 20:36:13 -10:00
Linus Torvalds 084c9cac39 ACPI and power management fixes for 3.16-rc6
- Fix for a recently introduced NULL pointer dereference in the core
    system suspend code occuring when platforms without ACPI attempt to
    use the "freeze" sleep state from Zhang Rui.
 
  - Fix for a recently introduced build warning in cpufreq headers from
    Brian W Hart.
 
  - Fix for a 3.13 cpufreq regression related to sysem resume that
    triggers on some systems with multiple CPU clusters from Viresh Kumar.
 
  - Fix for a 3.4 regression in request_firmware() resulting in
    WARN_ON()s on some systems during system resume from Takashi Iwai.
 
  - Revert of the ACPI video commit that changed the default value of
    the video.brightness_switch_enabled command line argument to 0 as
    it has been reported to break existing setups.
 
  - ACPI device enumeration documentation update to take recent code
    changes into account and make the documentation match the code again
    from Darren Hart.
 
  - Fixes for the sa1110, imx6q, kirkwood, and cpu0 cpufreq drivers
    from Linus Walleij, Nicolas Del Piano, Quentin Armitage, Viresh Kumar.
 
  - New ACPI video blacklist entry for HP ProBook 4540s from Hans de Goede.
 
 /
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Merge tag 'pm+acpi-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael Wysocki:
 "These are a few recent regression fixes, a revert of the ACPI video
  commit I promised, a system resume fix related to request_firmware(),
  an ACPI video quirk for one more Win8-oriented BIOS, an ACPI device
  enumeration documentation update and a few fixes for ARM cpufreq
  drivers.

  Specifics:

   - Fix for a recently introduced NULL pointer dereference in the core
     system suspend code occuring when platforms without ACPI attempt to
     use the "freeze" sleep state from Zhang Rui.

   - Fix for a recently introduced build warning in cpufreq headers from
     Brian W Hart.

   - Fix for a 3.13 cpufreq regression related to sysem resume that
     triggers on some systems with multiple CPU clusters from Viresh
     Kumar.

   - Fix for a 3.4 regression in request_firmware() resulting in
     WARN_ON()s on some systems during system resume from Takashi Iwai.

   - Revert of the ACPI video commit that changed the default value of
     the video.brightness_switch_enabled command line argument to 0 as
     it has been reported to break existing setups.

   - ACPI device enumeration documentation update to take recent code
     changes into account and make the documentation match the code
     again from Darren Hart.

   - Fixes for the sa1110, imx6q, kirkwood, and cpu0 cpufreq drivers
     from Linus Walleij, Nicolas Del Piano, Quentin Armitage, Viresh
     Kumar.

   - New ACPI video blacklist entry for HP ProBook 4540s from Hans de
     Goede"

* tag 'pm+acpi-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: make table sentinel macros unsigned to match use
  cpufreq: move policy kobj to policy->cpu at resume
  cpufreq: cpu0: OPPs can be populated at runtime
  cpufreq: kirkwood: Reinstate cpufreq driver for ARCH_KIRKWOOD
  cpufreq: imx6q: Select PM_OPP
  cpufreq: sa1110: set memory type for h3600
  ACPI / video: Add use_native_backlight quirk for HP ProBook 4540s
  PM / sleep: fix freeze_ops NULL pointer dereferences
  PM / sleep: Fix request_firmware() error at resume
  Revert "ACPI / video: change acpi-video brightness_switch_enabled default to 0"
  ACPI / documentation: Remove reference to acpi_platform_device_ids from enumeration.txt
2014-07-18 20:28:27 -10:00
Linus Torvalds 3e8e2756b6 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "One nouveau deadlock fix, one qxl irq handling fix, and a set of
  radeon pageflipping changes that fix regressions in pageflipping since
  -rc1 along with a leak and backlight fix.

  The pageflipping fixes are a bit bigger than I'd like, but there has
  been a few people focused on testing them"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon: Make classic pageflip completion path less racy.
  drm/radeon: Add missing vblank_put in pageflip ioctl error path.
  drm/radeon: Remove redundant fence unref in pageflip path.
  drm/radeon: Complete page flip even if waiting on the BO fence fails
  drm/radeon: Move pinning the BO back to radeon_crtc_page_flip()
  drm/radeon: Prevent too early kms-pageflips triggered by vblank.
  drm/radeon: set default bl level to something reasonable
  drm/radeon: avoid leaking edid data
  drm/qxl: return IRQ_NONE if it was not our irq
  drm/nouveau/therm: fix a potential deadlock in the therm monitoring code
2014-07-18 20:27:23 -10:00
Linus Torvalds b8d2d12804 Fix a BUG splat found by trinity.
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Merge tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random

Pull /dev/random fix from Ted Ts'o:
 "Fix a BUG splat found by trinity"

* tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
  random: check for increase of entropy_count because of signed conversion
2014-07-18 20:26:46 -10:00
Linus Torvalds 4e10627529 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This push fixes a boot hang in virt guests when the virtio RNG is
  enabled"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  hwrng: virtio - ensure reads happen after successful probe
  hwrng: fetch randomness only after device init
2014-07-18 20:25:54 -10:00
Hannes Frederic Sowa 79a8468747 random: check for increase of entropy_count because of signed conversion
The expression entropy_count -= ibytes << (ENTROPY_SHIFT + 3) could
actually increase entropy_count if during assignment of the unsigned
expression on the RHS (mind the -=) we reduce the value modulo
2^width(int) and assign it to entropy_count. Trinity found this.

[ Commit modified by tytso to add an additional safety check for a
  negative entropy_count -- which should never happen, and to also add
  an additional paranoia check to prevent overly large count values to
  be passed into urandom_read().  ]

Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
2014-07-19 01:42:13 -04:00
Tomasz Figa 9637f30e6b ARM: EXYNOS: Fix core ID used by platsmp and hotplug code
When CPU topology is specified in device tree, cpu_logical_map() does
not return core ID anymore, but rather full MPIDR value. This breaks
existing calculation of PMU register offsets on Exynos SoCs.

This patch fixes the problem by adjusting the code to use only core ID
bits of the value returned by cpu_logical_map() to allow CPU topology to
be specified in device tree on Exynos SoCs.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-18 17:12:57 -07:00
Olof Johansson e5c6cac6e3 The i.MX fixes for 3.16, 2nd take:
It fixes a hard machine hang regression for boards where only pcie is
 active but no sata, as the latest imx6-pcie driver is no longer enabling
 the upstream clock directly but only lvds clk out.
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Merge tag 'imx-fixes-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

Merge "ARM: imx: fixes for 3.16, 2nd take" from Shawn Guo:

The i.MX fixes for 3.16, 2nd take:

It fixes a hard machine hang regression for boards where only pcie is
active but no sata, as the latest imx6-pcie driver is no longer enabling
the upstream clock directly but only lvds clk out.

* tag 'imx-fixes-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: clk-imx6q: parent lvds_sel input from upstream clock gates

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-18 14:40:17 -07:00
Olof Johansson 054388947c Second AT91 fixes series for 3.16
- fix clock definitions after the move to CCF for:
   - at91sam9n12 (ohci)
   - at91sam9x5 (ohci, pwm)
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Merge tag 'at91-fixes' of git://github.com/at91linux/linux-at91 into fixes

Merge "at91: fixes for 3.16 #2" from Nicolas Ferre:

Second AT91 fixes series for 3.16
- fix clock definitions after the move to CCF for:
  * at91sam9n12 (ohci)
  * at91sam9x5 (ohci, pwm)

* tag 'at91-fixes' of git://github.com/at91linux/linux-at91:
  ARM: at91/dt: add missing clocks property to pwm node in sam9x5.dtsi
  ARM: at91/dt: fix usb0 clocks definition in sam9n12 dtsi
  ARM: at91: at91sam9x5: correct typo error for ohci clock

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-18 14:39:18 -07:00
Olof Johansson 81cca645b6 mvebu fixes for v3.16 (round 3)
- Fix SMP boot on 38x/375 in big endian
  - Fix operand list for pmsu on 370/XP
  - Fix coherency bus notifiers
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Merge tag 'mvebu-fixes-3.16-3' of git://git.infradead.org/linux-mvebu into fixes

Merge "mvebu fixes for v3.16 (round 3)" from Jason Cooper:

 - Fix SMP boot on 38x/375 in big endian
 - Fix operand list for pmsu on 370/XP
 - Fix coherency bus notifiers

* tag 'mvebu-fixes-3.16-3' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: Fix coherency bus notifiers by using separate notifiers
  ARM: mvebu: Fix the operand list in the inline asm of armada_370_xp_pmsu_idle_enter
  ARM: mvebu: fix SMP boot for Armada 38x and Armada 375 Z1 in big endian

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-18 14:38:28 -07:00
Linus Torvalds f839719122 This patch set contains two minor docs/spelling fixes, some fixes for
flock, a change to use GFP_NOFS to avoid recursion on a rarely used
 code path and a fix for a race relating to the glock lru.
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Merge tag 'gfs2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes

Pull gfs2 fixes from Steven Whitehouse:
 "This patch set contains two minor docs/spelling fixes, some fixes for
  flock, a change to use GFP_NOFS to avoid recursion on a rarely used
  code path and a fix for a race relating to the glock lru"

* tag 'gfs2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes:
  GFS2: fs/gfs2/rgrp.c: kernel-doc warning fixes
  GFS2: memcontrol: Spelling s/invlidate/invalidate/
  GFS2: Allow caching of glocks for flock
  GFS2: Allow flocks to use normal glock dq rather than dq_wait
  GFS2: replace count*size kzalloc by kcalloc
  GFS2: Use GFP_NOFS when allocating glocks
  GFS2: Fix race in glock lru glock disposal
  GFS2: Only wait for demote when last holder is dequeued
2014-07-18 06:26:04 -10:00
Linus Torvalds 55ae1bd0d2 Fix the dm-thinp and dm-cache targets to disallow changing the data
device's block size.
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Merge tag 'dm-3.16-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:
 "Fix the dm-thinp and dm-cache targets to disallow changing the data
  device's block size"

* tag 'dm-3.16-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm cache metadata: do not allow the data block size to change
  dm thin metadata: do not allow the data block size to change
2014-07-18 06:25:05 -10:00
Linus Torvalds 033ead8230 Two UBI fastmap-related fixes for v3.16:
1. Fix UBI fastmap support which we broke in 3.16-rc1 by reversing the
    volumes RB-tree sorting criteria.
 2. Make sure that we scrub all PEBs where we see bit-flips - we were missing
    some of them when the fastmap feature was enabled.
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Merge tag 'upstream-3.16-rc6' of git://git.infradead.org/linux-ubifs

Pull UBI fixes from Artem Bityutskiy:
 "Two UBI fastmap-related fixes for v3.16:

   - fix UBI fastmap support which we broke in 3.16-rc1 by reversing the
     volumes RB-tree sorting criteria.
   - make sure that we scrub all PEBs where we see bit-flips - we were
     missing some of them when the fastmap feature was enabled"

* tag 'upstream-3.16-rc6' of git://git.infradead.org/linux-ubifs:
  UBI: fastmap: do not miss bit-flips
  UBI: fix the volumes tree sorting criteria
2014-07-18 06:23:34 -10:00
Linus Torvalds 847f56eb0e xfs: fixes for 3.15-rc5
Fixes for low memory perforamnce regressions and a quota inode handling
 regression.
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Merge tag 'xfs-for-linus-3.16-rc5' of git://oss.sgi.com/xfs/xfs

Pull xfs fixes from Dave Chinner:
 "Fixes for low memory perforamnce regressions and a quota inode
  handling regression.

  These are regression fixes for issues recently introduced - the change
  in the stack switch location is fairly important, so I've held off
  sending this update until I was sure that it still addresses the stack
  usage problem the original solved.  So while the commits in the xfs
  tree are recent, it has been under tested for several weeks now"

* tag 'xfs-for-linus-3.16-rc5' of git://oss.sgi.com/xfs/xfs:
  xfs: null unused quota inodes when quota is on
  xfs: refine the allocation stack switch
  Revert "xfs: block allocation work needs to be kswapd aware"
2014-07-18 06:21:43 -10:00
Boris BREZILLON e0d69e119f ARM: at91/dt: add missing clocks property to pwm node in sam9x5.dtsi
The pwm driver requires a clocks property referencing the pwm peripheral
clk.

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-07-18 15:56:35 +02:00
Boris BREZILLON 043dfc1b62 ARM: at91/dt: fix usb0 clocks definition in sam9n12 dtsi
udphs_clk (USB Device Controller clock) is referenced instead of
uhphs_clk (USB Host Controller clock).

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-07-18 15:56:35 +02:00
Bo Shen dba1fd0bff ARM: at91: at91sam9x5: correct typo error for ohci clock
Correct the typo error for the second "uhphs_clk".

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-07-18 15:56:34 +02:00
Tomasz Figa 29e697b118 irqchip: gic: Fix core ID calculation when topology is read from DT
Certain GIC implementation, namely those found on earlier, single
cluster, Exynos SoCs, have registers mapped without per-CPU banking,
which means that the driver needs to use different offset for each CPU.

Currently the driver calculates the offset by multiplying value returned
by cpu_logical_map() by CPU offset parsed from DT. This is correct when
CPU topology is not specified in DT and aforementioned function returns
core ID alone. However when DT contains CPU topology, the function
changes to return cluster ID as well, which is non-zero on mentioned
SoCs and so breaks the calculation in GIC driver.

This patch fixes this by masking out cluster ID in CPU offset
calculation so that only core ID is considered. Multi-cluster Exynos
SoCs already have banked GIC implementations, so this simple fix should
be enough.

Reported-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reported-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Fixes: db0d4db22a ("ARM: gic: allow GIC to support non-banked setups")
Cc: <stable@vger.kernel.org> # v3.3+
Link: https://lkml.kernel.org/r/1405610624-18722-1-git-send-email-t.figa@samsung.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-07-18 13:13:41 +00:00