Commit graph

75138 commits

Author SHA1 Message Date
David S. Miller
8a2cf062b2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-29 12:51:17 -05:00
Linus Torvalds
33057692c2 Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM fixes from Russell King:
 "Not much here, just a couple minor/cosmetic fixes and a patch for the
  decompressor which fixes problems with modern GCC and CPUs."

* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: 7583/1: decompressor: Enable unaligned memory access for v6 and above
  ARM: 7572/1: proc-v6.S: fix comment
  ARM: 7570/1: quiet down the non make -s output
2012-11-26 17:43:10 -08:00
Linus Torvalds
08e627b5ce Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc EEH bugfixes from Benjamin Herrenschmidt.

Two one-liner fixes for the new EEH code.

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/eeh: Do not invalidate PE properly
  powerpc/pseries: Fix oops with MSIs when missing EEH PEs
2012-11-25 17:57:01 -08:00
Linus Torvalds
c2a65d3d85 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
 "Three issues fixed accross the field:

   - Some functions that were recently outlined as part of a preemption
     fix were causing problems with function tracing.
   - The recently merged in-kernel MPI library uses very outdated
     headers that contain MIPS-specific code which won't build on with
     gcc 4.4 or newer.
   - The MIPS non-NUMA memory initialization was making only a very
     half-baked attempt at merging adjacent memory ranges.  This kept
     the code simple enough but is now causing issues with kexec."

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MPI: Fix compilation on MIPS with GCC 4.4 and newer
  MIPS: Fix crash that occurs when function tracing is enabled
  MIPS: Merge overlapping bootmem ranges
2012-11-25 17:55:04 -08:00
Gavin Shan
e716e01438 powerpc/eeh: Do not invalidate PE properly
While the EEH does recovery on the specific PE that has PCI errors,
the PCI devices belonging to the PE will be removed and the PE will
be marked as invalid since we still need the information stored in
the PE. We only invalidate the PE when it doesn't have associated
EEH devices and valid child PEs. However, the code used to check
that is wrong. The patch fixes that.

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-11-26 09:14:16 +11:00
David S. Miller
24bc518a68 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/wireless/iwlwifi/pcie/tx.c

Minor iwlwifi conflict in TX queue disabling between 'net', which
removed a bogus warning, and 'net-next' which added some status
register poking code.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-25 12:49:17 -05:00
Linus Torvalds
2654ad44b5 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 arch fixes from Peter Anvin:
 "Here is a collection of fixes for 3.7-rc7.  This is a superset of
  tglx' earlier pull request."

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86-64: Fix ordering of CFI directives and recent ASM_CLAC additions
  x86, microcode, AMD: Add support for family 16h processors
  x86-32: Export kernel_stack_pointer() for modules
  x86-32: Fix invalid stack address while in softirq
  x86, efi: Fix processor-specific memcpy() build error
  x86: remove dummy long from EFI stub
  x86, mm: Correct vmflag test for checking VM_HUGETLB
  x86, amd: Disable way access filter on Piledriver CPUs
  x86/mce: Do not change worker's running cpu in cmci_rediscover().
  x86/ce4100: Fix PCI configuration register access for devices without interrupts
  x86/ce4100: Fix reboot by forcing the reboot method to be KBD
  x86/ce4100: Fix pm_poweroff
  MAINTAINERS: Update email address for Robert Richter
  x86, microcode_amd: Change email addresses, MAINTAINERS entry
  MAINTAINERS: Change Boris' email address
  EDAC: Change Boris' email address
  x86, AMD: Change Boris' email address
2012-11-23 20:03:14 -10:00
Linus Torvalds
5e351cdc99 Device tree regression fix for v3.7
Simple build regression fix for DT device drivers on Sparc. An earlier
 change had masked out the of_iomap() helper on SPARC.
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Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull device tree regression fix from Grant Likely:
 "Simple build regression fix for DT device drivers on Sparc.  An
  earlier change had masked out the of_iomap() helper on SPARC."

* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6:
  of/address: sparc: Declare of_iomap as an extern function for sparc again
2012-11-23 12:36:06 -10:00
Andreas Larsson
0e622d3919 of/address: sparc: Declare of_iomap as an extern function for sparc again
This bug-fix makes sure that of_iomap is defined extern for sparc so that the
sparc-specific implementation of_iomap is once again used when including
include/linux/of_address.h in a sparc context. OF_GPIO that is now available for
sparc relies on this.

The bug was inadvertently introduced in a850a75, "of/address: add empty static
inlines for !CONFIG_OF", that added a static dummy inline for of_iomap when
!CONFIG_OF_ADDRESS. However, CONFIG_OF_ADDRESS is never defined for sparc, but
there is a sparc-specific implementation /arch/sparc/kernel/of_device_common.c.

This fix takes the same approach as 0bce04b that solved the equivalent problem
for of_address_to_resource.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: David Miller <davem@davemloft.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-11-23 22:01:15 +00:00
Linus Torvalds
33f1459340 Merge branch 'i2c-embedded/for-current' of git://git.pengutronix.de/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "Bugfixes for the i2c subsystem.

  Except for a few one-liners, there is mainly one revert because of an
  overlooked dependency.  Since there is no linux-next at the moment, I
  did some extra testing, and all was fine for me."

* 'i2c-embedded/for-current' of git://git.pengutronix.de/git/wsa/linux:
  i2c: mxs: Handle i2c DMA failure properly
  i2c: s3c2410: Fix code to free gpios
  i2c: omap: ensure writes to dev->buf_len are ordered
  Revert "ARM: OMAP: convert I2C driver to PM QoS for MPU latency constraints"
  i2c: at91: fix SMBus quick command
2012-11-23 11:59:26 -10:00
Linus Torvalds
f3a443af9e Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fix from David Miller:
 "Bug fix from Al Viro"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: not any error from do_sigaltstack() should fail rt_sigreturn()
2012-11-23 11:55:09 -10:00
Linus Torvalds
45aaff0679 ARM: SoC fixes for 3.7
I missed one pull request from Samsung with one fix in the previous
 batch. Here it is -- a dma driver fix for an early version of silicon
 that they still support.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull one more ARM SoC fix from Olof Johansson:
 "I missed one pull request from Samsung with one fix in the previous
  batch.  Here it is -- a dma driver fix for an early version of silicon
  that they still support."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: EXYNOS: PL330 MDMA1 fix for revision 0 of Exynos4210 SOC
2012-11-23 11:54:22 -10:00
Al Cooper
f93a1a00f2 MIPS: Fix crash that occurs when function tracing is enabled
A recent patch changed some irq routines from inlines to functions.
These routines are called by the tracer code. Now that they're functions,
if they are compiled for function tracing they will call the tracer
and crash the system due to infinite recursion. The fix disables
tracing in these functions by using "notrace" in the function
definition.

Signed-off-by: Al Cooper <alcooperx@gmail.com>
Reviewed-by: David Daney <david.daney@cavium.com>
Pathchwork: https://patchwork.linux-mips.org/patch/4564/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-11-23 18:44:38 +01:00
Ralf Baechle
0ec7ec75f6 MIPS: Merge overlapping bootmem ranges
Without this, we may end up with something like this in /proc/iomem:

01100000-014fffff : System RAM
  01100000-013bf48f : Kernel code
  013bf490-0149e01f : Kernel data
01500000-0c0fffff : System RAM

but the two System RAM ranges should be one single range.  This particular
case will result in kexec failure on Octeon systems if the kernel being
loaded by kexec is bigger than the already running kernel.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-11-23 18:44:37 +01:00
Dave Martin
5010192d5a ARM: 7583/1: decompressor: Enable unaligned memory access for v6 and above
Modern GCC can generate code which makes use of the CPU's native
unaligned memory access capabilities.  This is useful for the C
decompressor implementations used for unpacking compressed kernels.

This patch disables alignment faults and enables the v6 unaligned
access model on CPUs which support these features (i.e., v6 and
later), allowing full unaligned access support for C code in the
decompressor.

The decompressor C code must not be built to assume that unaligned
access works if support for v5 or older platforms is included in
the kernel.

For correct code generation, C decompressor code must always use
the get_unaligned and put_unaligned accessors when dealing with
unaligned pointers, regardless of this patch.

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-11-23 13:02:03 +00:00
Linus Torvalds
26d29d06ea Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "This fixes recent regression where /dev/input/mice got assigned wrong
  device node which messed up setups with static /dev, and a regression
  in ads7846 GPIO debounce setup."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  ARM - OMAP: ads7846: fix pendown debounce setting
  Input: ads7846 - enable pendown GPIO debounce time setting
  Input: mousedev - move /dev/input/mice to the correct minor
  Input: MT - document new 'flags' argument of input_mt_init_slots()
2012-11-22 21:45:34 -10:00
Olof Johansson
c667f757f3 Merge branch 'v3.7-samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
From Kukjin Kim:

Here is Samsung fixes for v3.7 and it is for fixing of mdma1 address
for exynos4210 rev0 SoC.

* 'v3.7-samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: PL330 MDMA1 fix for revision 0 of Exynos4210 SOC

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-22 20:43:37 -08:00
Alexey Kardashevskiy
bb4618823a powerpc/pseries: Fix oops with MSIs when missing EEH PEs
The new EEH code introduced a small regression, if the EEH PEs
are missin (which happens currently in qemu for example), it
will deref a NULL pointer in the MSI code.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-11-23 13:26:05 +11:00
Linus Torvalds
5a903166dd ARM: SoC fixes for 3.7
A few more fixes for final 3.7. Two dealing with pinmux setup on OMAP, and
 one dealing with TV output on DaVinci. And one small MAINTAINER update.
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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 few more fixes for final 3.7.  Two dealing with pinmux setup on
  OMAP, and one dealing with TV output on DaVinci.  And one small
  MAINTAINER update."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: davinci: dm644x: fix out range signal for ED
  ARM: OMAP4: TWL: mux sys_drm_msecure as output for PMIC
  ARM: OMAP3: igep0020: Set WIFI/BT GPIO pins in correct mux mode
  ARM: OMAP: Add maintainer entry for IGEP machines
2012-11-22 09:22:13 -10:00
Linus Torvalds
b80d60e1c3 PARISC fixes on 20121122
This is two bug fixes: one fixes a loophole where rt_sigprocmask() with the
 wrong values panics the box (Denial of Service) and the other fixes an
 aliasing problem with get_shared_area() which could cause data corruption.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'parisc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6

Pull PARISC fixes from James Bottomley:
 "This is two bug fixes: one fixes a loophole where rt_sigprocmask()
  with the wrong values panics the box (Denial of Service) and the other
  fixes an aliasing problem with get_shared_area() which could cause
  data corruption.

  Signed-off-by: James Bottomley <JBottomley@Parallels.com>"

* tag 'parisc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6:
  [PARISC] fix user-triggerable panic on parisc
  [PARISC] fix virtual aliasing issue in get_shared_area()
2012-11-22 09:16:29 -10:00
Al Viro
441a179daf [PARISC] fix user-triggerable panic on parisc
int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, compat_sigset_t __user *oset,
                                    unsigned int sigsetsize)
{
        sigset_t old_set, new_set;
        int ret;

        if (set && get_sigset32(set, &new_set, sigsetsize))

...
static int
get_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz)
{
        compat_sigset_t s;
        int r;

        if (sz != sizeof *set) panic("put_sigset32()");

In other words, rt_sigprocmask(69, (void *)69, 69) done by 32bit process
will promptly panic the box.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: <stable@vger.kernel.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-22 09:33:12 +00:00
Olof Johansson
65546ab097 Few more regression fixes related to u-boot only muxing
essential pins.
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Merge tag 'omap-for-v3.7-rc5/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:
Few more regression fixes related to u-boot only muxing
essential pins.

* tag 'omap-for-v3.7-rc5/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP4: TWL: mux sys_drm_msecure as output for PMIC
  ARM: OMAP3: igep0020: Set WIFI/BT GPIO pins in correct mux mode
  ARM: OMAP: Add maintainer entry for IGEP machines
2012-11-21 13:56:36 -08:00
Igor Grinberg
0a0d628573 ARM - OMAP: ads7846: fix pendown debounce setting
Commit 97ee9f01 (ARM: OMAP: fix the ads7846 init code) have enabled the
pendown GPIO debounce time setting by the below sequence:

  gpio_request_one()
  gpio_set_debounce()
  gpio_free()

It also revealed a bug in the OMAP GPIO handling code which prevented
the GPIO debounce clock to be disabled and CORE transition to low power
states.

Commit c9c55d9 (gpio/omap: fix off-mode bug: clear debounce settings on
free/reset) fixes the OMAP GPIO handling code by making sure that the
GPIO debounce clock gets disabled if no GPIO is requested from current
bank.

While fixing the OMAP GPIO handling code (in the right way), the above
commit makes the gpio_request->set_debounce->free sequence invalid as
after freeing the GPIO, the debounce settings are lost.

Fix the debounce settings by moving the debounce initialization to the
actual GPIO requesting code - the ads7846 driver.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-11-21 13:10:02 -08:00
Jan Beulich
ee4eb87be2 x86-64: Fix ordering of CFI directives and recent ASM_CLAC additions
While these got added in the right place everywhere else, entry_64.S
is the odd one where they ended up before the initial CFI directive(s).
In order to cover the full code ranges, the CFI directive must be
first, though.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Link: http://lkml.kernel.org/r/5093BA1F02000078000A600E@nat28.tlf.novell.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2012-11-20 22:23:57 -08:00
Boris Ostrovsky
36c46ca4f3 x86, microcode, AMD: Add support for family 16h processors
Add valid patch size for family 16h processors.

[ hpa: promoting to urgent/stable since it is hw enabling and trivial ]

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@amd.com>
Acked-by: Andreas Herrmann <herrmann.der.user@googlemail.com>
Link: http://lkml.kernel.org/r/1353004910-2204-1-git-send-email-boris.ostrovsky@amd.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: <stable@vger.kernel.org>
2012-11-20 22:23:28 -08:00
H. Peter Anvin
cb57a2b4cf x86-32: Export kernel_stack_pointer() for modules
Modules, in particular oprofile (and possibly other similar tools)
need kernel_stack_pointer(), so export it using EXPORT_SYMBOL_GPL().

Cc: Yang Wei <wei.yang@windriver.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Jun Zhang <jun.zhang@intel.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20120912135059.GZ8285@erda.amd.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2012-11-20 22:23:23 -08:00
Robert Richter
1022623842 x86-32: Fix invalid stack address while in softirq
In 32 bit the stack address provided by kernel_stack_pointer() may
point to an invalid range causing NULL pointer access or page faults
while in NMI (see trace below). This happens if called in softirq
context and if the stack is empty. The address at &regs->sp is then
out of range.

Fixing this by checking if regs and &regs->sp are in the same stack
context. Otherwise return the previous stack pointer stored in struct
thread_info. If that address is invalid too, return address of regs.

 BUG: unable to handle kernel NULL pointer dereference at 0000000a
 IP: [<c1004237>] print_context_stack+0x6e/0x8d
 *pde = 00000000
 Oops: 0000 [#1] SMP
 Modules linked in:
 Pid: 4434, comm: perl Not tainted 3.6.0-rc3-oprofile-i386-standard-g4411a05 #4 Hewlett-Packard HP xw9400 Workstation/0A1Ch
 EIP: 0060:[<c1004237>] EFLAGS: 00010093 CPU: 0
 EIP is at print_context_stack+0x6e/0x8d
 EAX: ffffe000 EBX: 0000000a ECX: f4435f94 EDX: 0000000a
 ESI: f4435f94 EDI: f4435f94 EBP: f5409ec0 ESP: f5409ea0
  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
 CR0: 8005003b CR2: 0000000a CR3: 34ac9000 CR4: 000007d0
 DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
 DR6: ffff0ff0 DR7: 00000400
 Process perl (pid: 4434, ti=f5408000 task=f5637850 task.ti=f4434000)
 Stack:
  000003e8 ffffe000 00001ffc f4e39b00 00000000 0000000a f4435f94 c155198c
  f5409ef0 c1003723 c155198c f5409f04 00000000 f5409edc 00000000 00000000
  f5409ee8 f4435f94 f5409fc4 00000001 f5409f1c c12dce1c 00000000 c155198c
 Call Trace:
  [<c1003723>] dump_trace+0x7b/0xa1
  [<c12dce1c>] x86_backtrace+0x40/0x88
  [<c12db712>] ? oprofile_add_sample+0x56/0x84
  [<c12db731>] oprofile_add_sample+0x75/0x84
  [<c12ddb5b>] op_amd_check_ctrs+0x46/0x260
  [<c12dd40d>] profile_exceptions_notify+0x23/0x4c
  [<c1395034>] nmi_handle+0x31/0x4a
  [<c1029dc5>] ? ftrace_define_fields_irq_handler_entry+0x45/0x45
  [<c13950ed>] do_nmi+0xa0/0x2ff
  [<c1029dc5>] ? ftrace_define_fields_irq_handler_entry+0x45/0x45
  [<c13949e5>] nmi_stack_correct+0x28/0x2d
  [<c1029dc5>] ? ftrace_define_fields_irq_handler_entry+0x45/0x45
  [<c1003603>] ? do_softirq+0x4b/0x7f
  <IRQ>
  [<c102a06f>] irq_exit+0x35/0x5b
  [<c1018f56>] smp_apic_timer_interrupt+0x6c/0x7a
  [<c1394746>] apic_timer_interrupt+0x2a/0x30
 Code: 89 fe eb 08 31 c9 8b 45 0c ff 55 ec 83 c3 04 83 7d 10 00 74 0c 3b 5d 10 73 26 3b 5d e4 73 0c eb 1f 3b 5d f0 76 1a 3b 5d e8 73 15 <8b> 13 89 d0 89 55 e0 e8 ad 42 03 00 85 c0 8b 55 e0 75 a6 eb cc
 EIP: [<c1004237>] print_context_stack+0x6e/0x8d SS:ESP 0068:f5409ea0
 CR2: 000000000000000a
 ---[ end trace 62afee3481b00012 ]---
 Kernel panic - not syncing: Fatal exception in interrupt

V2:
* add comments to kernel_stack_pointer()
* always return a valid stack address by falling back to the address
  of regs

Reported-by: Yang Wei <wei.yang@windriver.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Link: http://lkml.kernel.org/r/20120912135059.GZ8285@erda.amd.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Jun Zhang <jun.zhang@intel.com>
2012-11-20 22:23:20 -08:00
Linus Torvalds
99b6e1e723 Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull missed powerpc fixes from Benjamin Herrenschmidt:
 "Here are small 52xx fixes that Anatolij asked me to pull a while back
  and that I completely missed.  The stuff is local to that platform
  code, and was in next for a while, so it should still go into 3.7."

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/mpc5200: move lpbfifo node and fix its interrupt property
  powerpc: 52xx: nop out unsupported critical IRQs
  powerpc/pcm030: add pcm030-audio-fabric to dts
2012-11-20 18:53:26 -10:00
Benjamin Herrenschmidt
d6dc24613c Merge remote-tracking branch 'agust/merge' into merge
Anatolij 52xx updates:

Patch for pcm030 device tree fixing the probe() in pcm030-audio-fabric
driver. Changes to this driver have been merged in 3.7-rc1 via ASoC
tree, but this required device tree patch was submitted separately to
the linux-ppc list and is still missing in mainline. Without this patch
the probe() in pcm030-audio-fabric driver wrongly returns -ENODEV.

A patch from Wolfram fixing wrong invalid critical irq warnings for
all mpc5200 boards.

Another patch for all mpc5200 device trees fixing wrong L1 cell in
the LPB FIFO interrupt property and moving the LPB FIFO node to the
common mpc5200b.dtsi file so that this common node will be present
in all mpc5200 device trees.
2012-11-21 13:24:49 +11:00
H. Peter Anvin
c1ddb48204 Merge commit 'efi-for-3.7-v2' into x86/urgent 2012-11-20 16:49:15 -08:00
Matt Fleming
0f905a43ce x86, efi: Fix processor-specific memcpy() build error
Building for Athlon/Duron/K7 results in the following build error,

arch/x86/boot/compressed/eboot.o: In function `__constant_memcpy3d':
eboot.c:(.text+0x385): undefined reference to `_mmx_memcpy'
arch/x86/boot/compressed/eboot.o: In function `efi_main':
eboot.c:(.text+0x1a22): undefined reference to `_mmx_memcpy'

because the boot stub code doesn't link with the kernel proper, and
therefore doesn't have access to the 3DNow version of memcpy. So,
follow the example of misc.c and #undef memcpy so that we use the
version provided by misc.c.

See https://bugzilla.kernel.org/show_bug.cgi?id=50391

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Reported-by: Ryan Underwood <nemesis@icequake.net>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: stable@vger.kernel.org
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2012-11-20 20:52:07 +00:00
Cesar Eduardo Barros
caaa8c6339 x86: remove dummy long from EFI stub
Commit 2e064b1 (x86, efi: Fix issue of overlapping .reloc section for
EFI_STUB) removed a dummy reloc added by commit 291f363 (x86, efi: EFI
boot stub support), but forgot to remove the dummy long used by that
reloc.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Lee G Rosenbaum <lee.g.rosenbaum@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2012-11-20 20:17:48 +00:00
Bartlomiej Zolnierkiewicz
91280e755a ARM: EXYNOS: PL330 MDMA1 fix for revision 0 of Exynos4210 SOC
Commit 8214513 ("ARM: EXYNOS: fix address for EXYNOS4 MDMA1")
changed EXYNOS specific setup of PL330 DMA engine to use 'non-secure'
mdma1 address instead of 'secure' one (from 0x12840000 to 0x12850000)
to fix issue with some Exynos4212 SOCs.  Unfortunately it brakes
PL330 setup for revision 0 of Exynos4210 SOC (mdma1 device cannot
be found at 'non-secure' address):

[    0.566245] dma-pl330 dma-pl330.2: PERIPH_ID 0x0, PCELL_ID 0x0 !
[    0.566278] dma-pl330: probe of dma-pl330.2 failed with error -22

Fix it by using 'secure' mdma1 address on Exynos4210 revision 0 SOC.

Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-11-20 20:39:39 +09:00
Lad, Prabhakar
e37212aa5d ARM: davinci: dm644x: fix out range signal for ED
Fix the video clock setting when custom timings are used with
pclock <= 27MHz. Existing video clock selection uses PLL2 mode
which results in a 54MHz clock whereas using the MXI mode results
in a 27MHz clock (which is the one actually desired).

This bug affects the Enhanced Definition (ED) support on DM644x.
Without this patch, out-range signals errors are were observed on
the TV when viewing ED. An out-of-range signal is often caused when
the field rate is above the rate that the television will handle.

Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Cc: Sekhar Nori <nsekhar@ti.com>
[nsekhar@ti.com: reword commit message based on on-list discussion]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2012-11-19 13:07:39 +05:30
Al Viro
fae2ae2a90 sparc64: not any error from do_sigaltstack() should fail rt_sigreturn()
If a signal handler is executed on altstack and another signal comes,
we will end up with rt_sigreturn() on return from the second handler
getting -EPERM from do_sigaltstack().  It's perfectly OK, since we
are not asking to change the settings; in fact, they couldn't have been
changed during the second handler execution exactly because we'd been
on altstack all along.  64bit sigreturn on sparc treats any error from
do_sigaltstack() as "SIGSEGV now"; we need to switch to the same semantics
we are using on other architectures.

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-18 22:27:03 -05:00
Linus Torvalds
8d938105e4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc VFS fixes from Al Viro:
 "Remove a bogus BUG_ON() that can trigger spuriously + alpha bits of
  do_mount() constification I'd missed during the merge window."

This pull request came in a week ago, I missed it for some reason.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  kill bogus BUG_ON() in do_close_on_exec()
  missing const in alpha callers of do_mount()
2012-11-18 09:13:48 -10:00
Andreas Schwab
34fa78b59c m68k: fix sigset_t accessor functions
The sigaddset/sigdelset/sigismember functions that are implemented with
bitfield insn cannot allow the sigset argument to be placed in a data
register since the sigset is wider than 32 bits.  Remove the "d"
constraint from the asm statements.

The effect of the bug is that sending RT signals does not work, the signal
number is truncated modulo 32.

Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@vger.kernel.org
2012-11-18 10:32:16 +01:00
Daniel Borkmann
5082dfb716 PPC: net: bpf_jit_comp: add VLAN instructions for BPF JIT
This patch is a follow-up for patch "net: filter: add vlan tag access"
to support the new VLAN_TAG/VLAN_TAG_PRESENT accessors in BPF JIT.

Signed-off-by: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch>
Cc: Matt Evans <matt@ozlabs.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-17 22:12:47 -05:00
Daniel Borkmann
02871903a1 PPC: net: bpf_jit_comp: add XOR instruction for BPF JIT
This patch is a follow-up for patch "filter: add XOR instruction for use
with X/K" that implements BPF PowerPC JIT parts for the BPF XOR operation.

Signed-off-by: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch>
Cc: Matt Evans <matt@ozlabs.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-17 22:12:47 -05:00
David S. Miller
67f4efdce7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor line offset auto-merges.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-17 22:00:43 -05:00
Linus Torvalds
51844b0f04 Merge git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fix from Marcelo Tosatti:
 "A correction for oops on module init with older Intel hosts."

* git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: Fix invalid secondary exec controls in vmx_cpuid_update()
2012-11-16 16:49:10 -08:00
Linus Torvalds
0cad3ff404 Merge branch 'akpm' (Fixes from Andrew)
Merge misc fixes from Andrew Morton.

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (12 patches)
  revert "mm: fix-up zone present pages"
  tmpfs: change final i_blocks BUG to WARNING
  tmpfs: fix shmem_getpage_gfp() VM_BUG_ON
  mm: highmem: don't treat PKMAP_ADDR(LAST_PKMAP) as a highmem address
  mm: revert "mm: vmscan: scale number of pages reclaimed by reclaim/compaction based on failures"
  rapidio: fix kernel-doc warnings
  swapfile: fix name leak in swapoff
  memcg: fix hotplugged memory zone oops
  mips, arc: fix build failure
  memcg: oom: fix totalpages calculation for memory.swappiness==0
  mm: fix build warning for uninitialized value
  mm: add anon_vma_lock to validate_mm()
2012-11-16 15:26:38 -08:00
Andrew Morton
5576646f3c revert "mm: fix-up zone present pages"
Revert commit 7f1290f2f2 ("mm: fix-up zone present pages")

That patch tried to fix a issue when calculating zone->present_pages,
but it caused a regression on 32bit systems with HIGHMEM.  With that
change, reset_zone_present_pages() resets all zone->present_pages to
zero, and fixup_zone_present_pages() is called to recalculate
zone->present_pages when the boot allocator frees core memory pages into
buddy allocator.  Because highmem pages are not freed by bootmem
allocator, all highmem zones' present_pages becomes zero.

Various options for improving the situation are being discussed but for
now, let's return to the 3.6 code.

Cc: Jianguo Wu <wujianguo@huawei.com>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Petr Tesarik <ptesarik@suse.cz>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: David Rientjes <rientjes@google.com>
Tested-by: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-11-16 14:33:04 -08:00
David Rientjes
18f694271b mips, arc: fix build failure
Using a cross-compiler to fix another issue, the following build error
occurred for mips defconfig:

  arch/mips/fw/arc/misc.c: In function 'ArcHalt':
  arch/mips/fw/arc/misc.c:25:2: error: implicit declaration of function 'local_irq_disable'

Fix it up by including irqflags.h.

Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-11-16 14:33:04 -08:00
Takashi Iwai
29282fde80 KVM: x86: Fix invalid secondary exec controls in vmx_cpuid_update()
The commit [ad756a16: KVM: VMX: Implement PCID/INVPCID for guests with
EPT] introduced the unconditional access to SECONDARY_VM_EXEC_CONTROL,
and this triggers kernel warnings like below on old CPUs:

    vmwrite error: reg 401e value a0568000 (err 12)
    Pid: 13649, comm: qemu-kvm Not tainted 3.7.0-rc4-test2+ #154
    Call Trace:
     [<ffffffffa0558d86>] vmwrite_error+0x27/0x29 [kvm_intel]
     [<ffffffffa054e8cb>] vmcs_writel+0x1b/0x20 [kvm_intel]
     [<ffffffffa054f114>] vmx_cpuid_update+0x74/0x170 [kvm_intel]
     [<ffffffffa03629b6>] kvm_vcpu_ioctl_set_cpuid2+0x76/0x90 [kvm]
     [<ffffffffa0341c67>] kvm_arch_vcpu_ioctl+0xc37/0xed0 [kvm]
     [<ffffffff81143f7c>] ? __vunmap+0x9c/0x110
     [<ffffffffa0551489>] ? vmx_vcpu_load+0x39/0x1a0 [kvm_intel]
     [<ffffffffa0340ee2>] ? kvm_arch_vcpu_load+0x52/0x1a0 [kvm]
     [<ffffffffa032dcd4>] ? vcpu_load+0x74/0xd0 [kvm]
     [<ffffffffa032deb0>] kvm_vcpu_ioctl+0x110/0x5e0 [kvm]
     [<ffffffffa032e93d>] ? kvm_dev_ioctl+0x4d/0x4a0 [kvm]
     [<ffffffff8117dc6f>] do_vfs_ioctl+0x8f/0x530
     [<ffffffff81139d76>] ? remove_vma+0x56/0x60
     [<ffffffff8113b708>] ? do_munmap+0x328/0x400
     [<ffffffff81187c8c>] ? fget_light+0x4c/0x100
     [<ffffffff8117e1a1>] sys_ioctl+0x91/0xb0
     [<ffffffff815a942d>] system_call_fastpath+0x1a/0x1f

This patch adds a check for the availability of secondary exec
control to avoid these warnings.

Cc: <stable@vger.kernel.org> [v3.6+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2012-11-16 20:25:18 -02:00
Linus Torvalds
f4bcd79c88 ARM: SoC fixes for 3.7
We've been sitting on this longer than we meant to due to travel and
 other activities, but the number of patches is luckily not that high.
 
 Biggest changes are from a batch of OMAP bugfixes, but there are a
 few for the broader set of SoCs too (bcm2835, pxa, highbank, tegra,
 at91 and i.MX).
 
 The OMAP patches contain some fixes for MUSB/PHY on omap4 which
 ends up being a bit on the large side but needed for legacy (non-DT)
 platforms. Beyond that there are a handful of hwmod/pm changes.
 
 So, fairly noncontroversial stuff all in all, and as usual around this
 time the fixes are well targeted at specific problems.
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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:
 "We've been sitting on this longer than we meant to due to travel and
  other activities, but the number of patches is luckily not that high.

  Biggest changes are from a batch of OMAP bugfixes, but there are a few
  for the broader set of SoCs too (bcm2835, pxa, highbank, tegra, at91
  and i.MX).

  The OMAP patches contain some fixes for MUSB/PHY on omap4 which ends
  up being a bit on the large side but needed for legacy (non-DT)
  platforms.  Beyond that there are a handful of hwmod/pm changes.

  So, fairly noncontroversial stuff all in all, and as usual around this
  time the fixes are well targeted at specific problems."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: imx: ehci: fix host power mask bit
  ARM i.MX: fix error-valued pointer dereference in clk_register_gate2()
  ARM: at91/usbh: fix overcurrent gpio setup
  ARM: at91/AT91SAM9G45: fix crypto peripherals irq issue due to sparse irq support
  ARM: boot: Fix usage of kecho
  ARM: OMAP: ocp2scp: create omap device for ocp2scp
  ARM: OMAP4: add _dev_attr_ to ocp2scp for representing usb_phy
  drivers: bus: ocp2scp: add pdata support
  irqchip: irq-bcm2835: Add terminating entry for of_device_id table
  ARM: highbank: retry wfi on reset request
  ARM: OMAP4: PM: fix regulator name for VDD_MPU
  ARM: OMAP4: hwmod data: do not enable or reset the McPDM during kernel init
  ARM: OMAP2+: hwmod: add flag to prevent hwmod code from touching IP block during init
  ARM: dt: tegra: fix length of pad control and mux registers
  ARM: OMAP: hwmod: wait for sysreset complete after enabling hwmod
  ARM: OMAP2+: clockdomain: Fix OMAP4 ISS clk domain to support only SWSUP
  ARM: pxa/spitz_pm: Fix hang when resuming from STR
  ARM: pxa: hx4700: Fix backlight PWM device number
  ARM: OMAP2+: PM: add missing newline to VC warning message
2012-11-16 10:08:45 -08:00
Linus Torvalds
5a0c02ba1a AArch64 page permission bug fix. Without this fix, the CPU speculatively
accesses the interrupt controller memory causing random IRQ acknowledge.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64

Pull arm64 bugfix from Catalin Marinas:
 "Arm64 page permission bug fix.

  Without this fix, the CPU speculatively accesses the interrupt
  controller memory causing random IRQ acknowledge."

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
  arm64: Distinguish between user and kernel XN bits
2012-11-16 08:32:07 -08:00
Catalin Marinas
8e620b0476 arm64: Distinguish between user and kernel XN bits
On AArch64, the meaning of the XN bit has changed to UXN (user). The PXN
(privileged) bit must be set to prevent kernel execution. Without the
PXN bit set, the CPU may speculatively access device memory. This patch
ensures that all the mappings that the kernel must not execute from
(including user mappings) have the PXN bit set.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-11-16 15:50:25 +00:00
Arnd Bergmann
6658d6a595 Two little fixes, one related to the move to sparse irq and
another one fixing the check of a GPIO for USB host overcurrent.
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Merge tag 'at91-fixes' of git://github.com/at91linux/linux-at91 into fixes

From Nicolas Ferre <nicolas.ferre@atmel.com>:

Two little fixes, one related to the move to sparse irq and
another one fixing the check of a GPIO for USB host overcurrent.

* tag 'at91-fixes' of git://github.com/at91linux/linux-at91:
  ARM: at91/usbh: fix overcurrent gpio setup
  ARM: at91/AT91SAM9G45: fix crypto peripherals irq issue due to sparse irq support

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-11-16 16:43:58 +01:00
Arnd Bergmann
57260e4088 ARM i.MX fixes for 3.7-rc
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Merge tag 'imx-fixes-rc' of git://git.pengutronix.de/git/imx/linux-2.6 into fixes

From Sascha Hauer <s.hauer@pengutronix.de>:

ARM i.MX fixes for 3.7-rc

* tag 'imx-fixes-rc' of git://git.pengutronix.de/git/imx/linux-2.6:
  ARM: imx: ehci: fix host power mask bit
  ARM i.MX: fix error-valued pointer dereference in clk_register_gate2()

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-11-16 16:42:59 +01:00