Commit Graph

67502 Commits

Author SHA1 Message Date
Chris Metcalf
719ea79e33 arch/tile: fix up locking in pgtable.c slightly
We should be holding the init_mm.page_table_lock in shatter_huge_page()
since we are modifying the kernel page tables.  Then, only if we are
walking the other root page tables to update them, do we want to take
the pgd_lock.

Add a comment about taking the pgd_lock that we always do it with
interrupts disabled and therefore are not at risk from the tlbflush
IPI deadlock as is seen on x86.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:13:22 -04:00
Chris Metcalf
5f22070412 arch/tile: don't leak kernel memory when we unload modules
We were failing to track the memory when we allocated it.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:13:19 -04:00
Chris Metcalf
444eef1ba4 arch/tile: fix bug in delay_backoff()
We were carefully computing a value to use for the number of loops
to spin for, and then ignoring it.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:13:15 -04:00
Chris Metcalf
7a7039ee71 arch/tile: fix bug in loading kernels larger than 16 MB
Previously we only handled kernels up to a single huge page in size.
Now we create additional PTEs appropriately.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:13:12 -04:00
Chris Metcalf
b230ff2d5c arch/tile: don't enable irqs unconditionally in page fault handler
If we took a page fault while we had interrupts disabled, we
shouldn't enable them in the page fault handler.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:13:09 -04:00
Chris Metcalf
12400f1f22 arch/tile: don't set the homecache of a PTE unless appropriate
We make sure not to try to set the home for an MMIO PTE (on tilegx)
or a PTE that isn't referencing memory managed by Linux.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:13:05 -04:00
Chris Metcalf
48292738d0 arch/tile: don't wait for migrating PTEs in an NMI handler
Doing so raises the possibility of self-deadlock if we are waiting
for a backtrace for an oprofile or perf interrupt while we are
in the middle of migrating our own stack page.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:13:02 -04:00
Chris Metcalf
6731aa9eae arch/tile/Makefile: use KCFLAGS when figuring out the libgcc path.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:12:59 -04:00
Chris Metcalf
51bcdf8879 arch/tile: fix a couple of comments that needed updating
Not associated with any code changes, so I'm just lumping these
comment changes into a commit by themselves.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:12:55 -04:00
Chris Metcalf
a714ffff36 arch/tile: fix up some minor trap handling issues
We now respond to MEM_ERROR traps (e.g. an atomic instruction to
non-cacheable memory) with a SIGBUS.

We also no longer generate a console crash message if a user
process die due to a SIGTRAP.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:12:52 -04:00
Chris Metcalf
e17235382d arch/tile: work around a hardware issue with the return-address stack
In certain circumstances we need to do a bunch of jump-and-link
instructions to fill the hardware return-address stack with nonzero values.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:12:48 -04:00
Chris Metcalf
5f639fdcd8 arch/tile: various bugs in stack backtracer
Fix a long-standing bug in the stack backtracer where we would print
garbage to the console instead of kernel function names, if the kernel
wasn't built with symbol support (e.g. mboot).

Make sure to tag every line of userspace backtrace output if we actually
have the mmap_sem, since that way if there's no tag, we know that it's
because we couldn't trylock the semaphore.

Stop doing a TLB flush and examining page tables during backtrace.
Instead, just trust that __copy_from_user_inatomic() will properly fault
and return a failure, which it should do in all cases.

Fix a latent bug where the backtracer would directly examine a signal
context in user space, rather than copying it safely to kernel memory
first.  This meant that a race with another thread could potentially
have caused a kernel panic.

Guard against unaligned sp when trying to restart backtrace at an
interrupt or signal handler point in the kernel backtracer.

Report kernel symbolic information for the call instruction rather
than for the following instruction.  We still report the actual numeric
address corresponding to the instruction after the call, for the sake
of consistency with the normal expectations for stack backtracers.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:12:45 -04:00
Chris Metcalf
efb734d8ed arch/tile: make sure to build memcpy_user_64 without frame pointer
Add a comment explaining why this is important, and add a CFLAGS_REMOVE
clause to the Makefile to make sure it happens.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:12:42 -04:00
Chris Metcalf
b287f69676 arch/tile: avoid false corrupt frame warning in early boot
With lockstat we can end up trying to get a backtrace before
"high_memory" is initialized, so don't worry about range testing
if it is zero.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:12:38 -04:00
Chris Metcalf
cbe224705e arch/tile: use 0 for IRQ_RESCHEDULE instead of 1
This avoids assigning IRQ 0 to PCI devices, because we've seen that
doesn't always work well.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:00:16 -04:00
Chris Metcalf
664c100bce arch/tile: fix gcc 4.6 warnings in <asm/bitops_64.h>
Fix some signedness and variable usage warnings in change_bit()
and test_and_change_bit().

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:00:15 -04:00
Chris Metcalf
07feea877d arch/tile: revert comment for atomic64_add_unless().
It still returns whether @v was not @u, not the old value,
unlike __atomic_add_unless().

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: Arun Sharma <asharma@fb.com>
2012-04-02 12:00:15 -04:00
Chris Metcalf
327e8b6b25 arch/tile: fix typo in <arch/spr_def.h>
We aren't yet using this definition in the kernel, but fix it up
before someone goes looking for it.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:00:14 -04:00
Chris Metcalf
884197f7ea arch/tile/Kconfig: don't specify CONFIG_PAGE_OFFSET for 64-bit builds
It's fixed at half the VA space and there's no point in configuring it.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:00:14 -04:00
Chris Metcalf
3d1e8a81cc arch/tile/Kconfig: rename tile_defconfig to tilepro_defconfig
We switched to using "tilepro" for the 32-bit stuff a while ago,
but missed this one usage.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:00:13 -04:00
Chris Metcalf
8d6951439e arch/tile/Kconfig: remove pointless "!M386" test.
Looks like a cut and paste bug from the x86 version.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:00:13 -04:00
Paul Gortmaker
34f2c0ac11 tile: fix multiple build failures from system.h dismantle
Commit bd119c6923

    "Disintegrate asm/system.h for Tile"

created the asm/switch_to.h file, but did not add an include
of it to all its users.

Also, commit b4816afa39

        "Move the asm-generic/system.h xchg() implementation to asm-generic/cmpxchg.h"

introduced the concept of asm/cmpxchg.h but the tile arch
never got one.  Fork the cmpxchg content out of the asm/atomic.h
file to create one.

Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 11:57:37 -04:00
Linus Torvalds
deb74f5ca1 Autogenerated GPG tag for Rusty D1ADB8F1: 15EE 8D6C AB0E 7F0C F999 BFCB D920 0E6C D1AD B8F1
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABAgAGBQJPc+5PAAoJENkgDmzRrbjx8qwQAIRGDWGAJ7fiu8QBVbjycXJG
 7828enxrbBQodNmc+uAkYvTv3KEoi8tlweMsk/lWDv8WovZV4IlQDEFCX/f4hWVY
 S+2PmqJkN/alsG3dXd00zotK9mOJD+mQPAdjUBaNnRdp3QoV3YrjgihkWiL23DyT
 dZTgqXdbUJkHk/d9YD1qcDvWdSr1EufSLYa52PhLJqYiYVk8zCdX82deJX1MWh64
 v9I6htA73ORoX4JBGsFAOHO8fmLaq1yhBUMHOL4+gfEJVv4kSTU05GgepBHQP1fm
 BbG2hN6G4vqqiqhV5A59+h271o/2d/KBGKx8/twRGk8tNJIwTIVnr/qcGuUfytC3
 vA1fmq3vul0bzbqRgph8bGJyoVIg8CHjq24BFJQOXiQ1/6HOvjxnKBYs+3sVA829
 ZYQYuEoRKmTsD3vv3nmcqAdZZDzehBQ499bEqDNsnQRLOjOVNag/pJSaENkeVC4T
 CKYXt9BEabYnermPLdrjiabPE27GaEznX11SzCSXiWJsKX2kJnvz5RxVo8nlh1fc
 /KQWJyWi/QVmAdy4eCJFp48513BqncHvKtPZ6zN9+Y6NHKmnmAqieZhh4yV/SCqi
 EcK2oHQXmioKldn5DANQjeUCWlmEYXHbR08ahGRLNc7GZ1qKCgDr8+WEC0XYB/gQ
 XLH3KKLM+VmvtonqjDV7
 =W59/
 -----END PGP SIGNATURE-----

Merge tag 'for-linus' of git://github.com/rustyrussell/linux

Pull cpumask cleanups from Rusty Russell:
 "(Somehow forgot to send this out; it's been sitting in linux-next, and
  if you don't want it, it can sit there another cycle)"

I'm a sucker for things that actually delete lines of code.

Fix up trivial conflict in arch/arm/kernel/kprobes.c, where Rusty fixed
a user of &cpu_online_map to be cpu_online_mask, but that code got
deleted by commit b21d55e98a ("ARM: 7332/1: extract out code patch
function from kprobes").

* tag 'for-linus' of git://github.com/rustyrussell/linux:
  cpumask: remove old cpu_*_map.
  documentation: remove references to cpu_*_map.
  drivers/cpufreq/db8500-cpufreq: remove references to cpu_*_map.
  remove references to cpu_*_map in arch/
2012-04-02 08:53:24 -07:00
Fabio Estevam
7a4302a6a1 ARM: armadillo5x0: Fix smsc911x driver probe
Fix smsc911x driver probe by adding a fixed dummy regulator.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-04-02 16:31:22 +02:00
Fabio Estevam
ccdf327843 ARM: kzm_arm11_01: Fix smsc911x driver probe
Fix smsc911x driver probe by adding a fixed dummy regulator.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-04-02 16:31:22 +02:00
Fabio Estevam
954c59acd3 ARM: mx31lilly: Fix smsc911x driver probe
Fix smsc911x driver probe by adding a fixed dummy regulator.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-04-02 16:31:22 +02:00
Fabio Estevam
da21d4dc17 ARM: mx31lite: Fix smsc911x driver probe
Fix smsc911x driver probe by adding a fixed dummy regulator.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-04-02 16:31:21 +02:00
Fabio Estevam
fd36dfb89f ARM: mx53ard: Fix smsc911x driver probe
Fix smsc911x driver probe by adding a fixed dummy regulator.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-04-02 16:31:21 +02:00
Marcelo Tosatti
dba69d1092 x86, kvm: Call restore_sched_clock_state() only after %gs is initialized
s2ram broke due to this KVM commit:

  b74f05d61b x86: kvmclock: abstract save/restore sched_clock_state

restore_sched_clock_state() methods use percpu data, therefore
they must run after %gs is initialized, but before mtrr_bp_restore()
(due to lockstat using sched_clock).

Move it to the correct place.

Reported-and-tested-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Avi Kivity <avi@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-04-02 13:53:00 +02:00
Michal Simek
0dd90aa9d6 microblaze: Fix ret_from_fork declaration
ret_from_fork is used by noMMU system too.

It should be the part of patch
"Disintegrate asm/system.h for Microblaze"
(sha1: c40d04df15)

Signed-off-by: Michal Simek <monstr@monstr.eu>
2012-04-02 13:00:26 +02:00
Michal Simek
0fc7374bb5 microblaze: Do not use tlb_skip in early_printk
tlb_skip is valid only for MMU system.

Signed-off-by: Michal Simek <monstr@monstr.eu>
2012-04-02 13:00:22 +02:00
Nicolas Ferre
7bd9523969 ARM: at91/at91sam9x5: add clkdev entries for DMA controllers
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2012-04-02 11:55:19 +02:00
Fabio Estevam
bfb5f5530c ARM: mx35: Fix registration of camera clock
Fix registration of camera clock so that mx3-camera driver can get its clock
correctly.

Reported-by: Alex Gershgorin <alexg@meprolight.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-04-02 11:27:41 +02:00
Fabio Estevam
f0df875418 ARM: 3ds_debugboard: Fix smsc911x driver probe
Fix smsc911x id field in order to fix smsc911x driver probe error:

smsc911x smsc911x.0: Failed to get supply 'vdd33a': -517
smsc911x smsc911x.0: (unregistered net_device): couldn't get regulators -517
platform smsc911x.0: Driver smsc911x requests probe deferral

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-04-02 11:15:15 +02:00
Javier Martin
31e1a4e8b6 MX2: Fix mx2_camera clock regression.
The following patch breaks mx2_camera driver:
http://git.linuxtv.org/media_tree.git?a=commitdiff;h=52f1a845e25dc0c6435153aca1a170e20b282429

This change fixes the problem.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-04-02 11:11:05 +02:00
Fabio Estevam
eb26e87777 ARM: mach-mx35_3ds: Fix build warning due to the lack of 'const' annotation
Fix the following build warning:

arch/arm/mach-imx/mach-mx35_3ds.c: In function 'mx35_3ds_lcd_set_power':
arch/arm/mach-imx/mach-mx35_3ds.c:112: warning: passing argument 2 of 'gpiochip_find' from incompatible pointer type
include/asm-generic/gpio.h:145: note: expected 'int (*)(struct gpio_chip *, const void *)' but argument is of type 'int (*)(struct gpio_chip *, void *)'

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-04-02 11:10:24 +02:00
Andrew Morton
9b218f63e5 powerpc/eeh: Fix use of set_current_state() in eeh event handling set_current_state() wart
That set_current_state() won't work very well: the subsequent mutex_lock()
might flip the task back into TASK_RUNNING.

Attempt to put it somewhere where it might have been meant to be, and
attempt to describe why it might have been added.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-04-02 14:31:19 +10:00
Oleg Nesterov
37ef9bd48a powerpc/eeh: Remove eeh_event_handler()->daemonize()
daemonize() is only needed when a user-space task does kernel_thread().

eeh_event_handler() thread is created by the worker kthread, and thus it
doesn't need the soon-to-be-deprecated daemonize().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Linas Vepstas <linasvepstas@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-04-02 14:31:19 +10:00
Benjamin Herrenschmidt
95327d08fd powerpc/kvm: Fallout from system.h disintegration
Add a missing include to fix build

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-04-02 14:00:04 +10:00
Stephen Rothwell
cad3c8346b powerpc: Fix fallout from system.h split up
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-04-02 14:00:03 +10:00
Uwe Kleine-König
059378e3ff powerpc: Mark const init data with __initconst instead of __initdata
As long as there is no other non-const variable marked __initdata in the
same compilation unit it doesn't hurt. If there were one however
compilation would fail with

	error: $variablename causes a section type conflict

because a section containing const variables is marked read only and so
cannot contain non-const variables.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Josh Boyer <jwboyer@gmail.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: cbe-oss-dev@lists.ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-04-02 14:00:03 +10:00
Benjamin Herrenschmidt
e31c6dfa8e Merge remote-tracking branch 'kumar/next' into merge 2012-04-02 13:57:46 +10:00
Kukjin Kim
8551f3ff49 ARM: S3C24XX: fix missing common.h in mach-s3c24xx/
This patch fixes missing mach-s3c24xx/common.h which has been
lost when regarding s3c24xx directories merged.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-04-02 06:43:23 +09:00
Aaro Koskinen
2533e82415 sparc: pgtable_64: change include order
Fix the following build breakage in v3.4-rc1:

  CC      arch/sparc/kernel/cpu.o
In file included from /home/aaro/git/linux/arch/sparc/include/asm/pgtable_64.h:15:0,
                 from /home/aaro/git/linux/arch/sparc/include/asm/pgtable.h:4,
                 from arch/sparc/kernel/cpu.c:15:
include/asm-generic/pgtable-nopud.h:13:16: error: unknown type name 'pgd_t'
include/asm-generic/pgtable-nopud.h:25:28: error: unknown type name 'pgd_t'
include/asm-generic/pgtable-nopud.h:26:27: error: unknown type name 'pgd_t'
include/asm-generic/pgtable-nopud.h:27:31: error: unknown type name 'pgd_t'
include/asm-generic/pgtable-nopud.h:28:30: error: unknown type name 'pgd_t'
include/asm-generic/pgtable-nopud.h:38:34: error: unknown type name 'pgd_t'
In file included from /home/aaro/git/linux/arch/sparc/include/asm/pgtable_64.h:783:0,
                 from /home/aaro/git/linux/arch/sparc/include/asm/pgtable.h:4,
                 from arch/sparc/kernel/cpu.c:15:
include/asm-generic/pgtable.h: In function 'pgd_none_or_clear_bad':
include/asm-generic/pgtable.h:258:2: error: implicit declaration of function 'pgd_none' [-Werror=implicit-function-declaration]
include/asm-generic/pgtable.h:260:2: error: implicit declaration of function 'pgd_bad' [-Werror=implicit-function-declaration]
include/asm-generic/pgtable.h: In function 'pud_none_or_clear_bad':
include/asm-generic/pgtable.h:269:6: error: request for member 'pgd' in something not a structure or union

Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-01 14:22:23 -07:00
Geert Uytterhoeven
450aed725c m68k/q40: Add missing platform check before registering platform devices
On multi-platform kernels, the Q40/Q60 platform devices should be
registered when running on Q40/Q60 only. Else it may crash later.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2012-04-01 22:57:53 +02:00
Geert Uytterhoeven
6cfeba5391 m68k/mac: Add missing platform check before registering platform devices
On multi-platform kernels, the Mac platform devices should be registered
when running on Mac only. Else it may crash later.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@vger.kernel.org
2012-04-01 22:57:51 +02:00
Greg Ungerer
7224c0d104 m68k: include asm/cmpxchg.h in our m68k atomic.h
After commit 9ffc93f203 ("Remove all

  CC      init/main.o
In file included from include/linux/mm.h:15:0,
                 from include/linux/ring_buffer.h:5,
                 from include/linux/ftrace_event.h:4,
                 from include/trace/syscall.h:6,
                 from include/linux/syscalls.h:78,
                 from init/main.c:16:
include/linux/debug_locks.h: In function ‘__debug_locks_off’:
include/linux/debug_locks.h:16:2: error: implicit declaration of function ‘xchg’

There is no indirect inclusions of the new asm/cmpxchg.h for m68k here.
Looking at most other architectures they include asm/cmpxchg.h in their
asm/atomic.h. M68k currently does not do this. Including this in atomic.h
fixes all m68k build problems.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2012-04-01 22:57:49 +02:00
Linus Torvalds
8bb1f22952 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull second try at vfs part d#2 from Al Viro:
 "Miklos' first series (with do_lookup() rewrite split into edible
  chunks) + assorted bits and pieces.

  The 'untangling of do_lookup()' series is is a splitup of what used to
  be a monolithic patch from Miklos, so this series is basically "how do
  I convince myself that his patch is correct (or find a hole in it)".
  No holes found and I like the resulting cleanup, so in it went..."

Changes from try 1: Fix a boot problem with selinux, and commit messages
prettied up a bit.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (24 commits)
  vfs: fix out-of-date dentry_unhash() comment
  vfs: split __lookup_hash
  untangling do_lookup() - take __lookup_hash()-calling case out of line.
  untangling do_lookup() - switch to calling __lookup_hash()
  untangling do_lookup() - merge d_alloc_and_lookup() callers
  untangling do_lookup() - merge failure exits in !dentry case
  untangling do_lookup() - massage !dentry case towards __lookup_hash()
  untangling do_lookup() - get rid of need_reval in !dentry case
  untangling do_lookup() - eliminate a loop.
  untangling do_lookup() - expand the area under ->i_mutex
  untangling do_lookup() - isolate !dentry stuff from the rest of it.
  vfs: move MAY_EXEC check from __lookup_hash()
  vfs: don't revalidate just looked up dentry
  vfs: fix d_need_lookup/d_revalidate order in do_lookup
  ext3: move headers to fs/ext3/
  migrate ext2_fs.h guts to fs/ext2/ext2.h
  new helper: ext2_image_size()
  get rid of pointless includes of ext2_fs.h
  ext2: No longer export ext2_fs.h to user space
  mtdchar: kill persistently held vfsmount
  ...
2012-03-31 13:42:57 -07:00
Linus Torvalds
f187e9fd68 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates and fixes from Ingo Molnar:
 "It's mostly fixes, but there's also two late items:

   - preliminary GTK GUI support for perf report
   - PMU raw event format descriptors in sysfs, to be parsed by tooling

  The raw event format in sysfs is a new ABI.  For example for the 'CPU'
  PMU we have:

    aldebaran:~> ll /sys/bus/event_source/devices/cpu/format/*
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/any
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/cmask
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/edge
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/event
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/inv
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/offcore_rsp
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/pc
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/umask

  those lists of fields contain a specific format:

    aldebaran:~> cat /sys/bus/event_source/devices/cpu/format/offcore_rsp
    config1:0-63

  So, those who wish to specify raw events can now use the following
  event format:

    -e cpu/cmask=1,event=2,umask=3

  Most people will not want to specify any events (let alone raw
  events), they'll just use whatever default event the tools use.

  But for more obscure PMU events that have no cross-architecture
  generic events the above syntax is more usable and a bit more
  structured than specifying hex numbers."

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (41 commits)
  perf tools: Remove auto-generated bison/flex files
  perf annotate: Fix off by one symbol hist size allocation and hit accounting
  perf tools: Add missing ref-cycles event back to event parser
  perf annotate: addr2line wants addresses in same format as objdump
  perf probe: Finder fails to resolve function name to address
  tracing: Fix ent_size in trace output
  perf symbols: Handle NULL dso in dso__name_len
  perf symbols: Do not include libgen.h
  perf tools: Fix bug in raw sample parsing
  perf tools: Fix display of first level of callchains
  perf tools: Switch module.h into export.h
  perf: Move mmap page data_head offset assertion out of header
  perf: Fix mmap_page capabilities and docs
  perf diff: Fix to work with new hists design
  perf tools: Fix modifier to be applied on correct events
  perf tools: Fix various casting issues for 32 bits
  perf tools: Simplify event_read_id exit path
  tracing: Fix ftrace stack trace entries
  tracing: Move the tracing_on/off() declarations into CONFIG_TRACING
  perf report: Add a simple GTK2-based 'perf report' browser
  ...
2012-03-31 13:34:04 -07:00
Linus Torvalds
adb3b1f3fc PARISC misc on 20120331
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.18 (GNU/Linux)
 
 iQEcBAABAgAGBQJPdrMOAAoJEDeqqVYsXL0M2pYIAIVf1yn7EUfzEvabivpD0cCm
 RDS3F0LxW67Z0kccSPjQlJ/9DH/U6g/zfVct26E6G31/LJSJnNjHsU8Y+qSx+RYq
 f4ov5uyzqC2Vr0Y0hIxmNg8uKHKT7Z6z8KaWsambXfkWfmnXBaUUS5NEyWXhifU8
 aOW2fX+Y31uPHs2iaDej3/IhjBaN+iB+eoUtqMHgBjFzg0dplM+mNR6NlIW6iWuX
 RA4Gc+Ujs/v4XI07bqn0y3znEmhdIy+csMM7cV1CAdB5DVC1qh5EkmV95AY1hAyG
 JcKwX5tg3dBlzPgrsvTsmy6jYPCzYDWjIuNUrgUV9ZmDPf/6Q9XRSE5qljovqrE=
 =OZIl
 -----END PGP SIGNATURE-----

Merge tag 'parisc-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6

Pull PARISC misc updates from James Bottomley:
 "This is a couple of minor updates (fixing lws futex locking and
  removing some obsolete cpu_*_map calls)."

* tag 'parisc-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6:
  [PARISC] remove references to cpu_*_map.
  [PARISC] futex: Use same lock set as lws calls
2012-03-31 13:32:30 -07:00
Al Viro
39429c5e4a new helper: ext2_image_size()
... implemented that way since the next commit will leave it
almost alone in ext2_fs.h - most of the file (including
struct ext2_super_block) is going to move to fs/ext2/ext2.h.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-03-31 16:03:16 -04:00
Russell King
6d008893e4 ARM: fix more fallout from 9f97da78bf (Disintegrate asm/system.h for ARM)
arch/arm/kernel/io.c: In function '_memcpy_toio':
arch/arm/kernel/io.c:29: error: implicit declaration of function 'outer_sync'
arch/arm/mach-omap2/omap_l3_noc.c: In function 'l3_interrupt_handler':
arch/arm/mach-omap2/omap_l3_noc.c💯 error: implicit declaration of function 'outer_sync'
kernel/irq/generic-chip.c: In function 'irq_gc_mask_disable_reg':
kernel/irq/generic-chip.c:45: error: implicit declaration of function 'outer_sync'
kernel/sched/rt.c: In function 'rt_set_overload':
kernel/sched/rt.c:248: error: implicit declaration of function 'outer_sync'
...

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-31 09:07:30 +01:00
Linus Torvalds
fa2a4519cb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull Sam Ravnborg's sparc32 build fixes from David Miller.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc32: fix fallout from system.h removal
2012-03-30 18:40:33 -07:00
Sam Ravnborg
bde4d8b205 sparc32: fix fallout from system.h removal
Build failures for the typical configs I use

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-30 18:16:58 -07:00
Linus Torvalds
923f79743c Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild changes from Michal Marek:
 - Unification of cmd_uimage among archs that use it
 - make headers_check tries harder before reporting a missing
   <linux/types.h> include
 - kbuild portability fix for shells that do not support echo -e
 - make clean descends into samples/
 - setlocalversion grep fix
 - modpost typo fix
 - dtc warnings fix

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  setlocalversion: Use "grep -q" instead of piping output to "read dummy"
  modpost: fix ALL_INIT_DATA_SECTIONS
  Kbuild: centralize MKIMAGE and cmd_uimage definitions
  headers_check: recursively search for linux/types.h inclusion
  scripts/Kbuild.include: Fix portability problem of "echo -e"
  scripts: dtc: fix compile warnings
  kbuild: clean up samples directory
  kbuild: disable -Wmissing-field-initializers for W=1
2012-03-30 18:15:43 -07:00
Linus Torvalds
623ff7739e MTD merge for 3.4
Artem's cleanup of the MTD API continues apace.
 Fixes and improvements for ST FSMC and SuperH FLCTL NAND, amongst others.
 More work on DiskOnChip G3, new driver for DiskOnChip G4.
 Clean up debug/warning printks in JFFS2 to use pr_<level>.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.12 (GNU/Linux)
 
 iEYEABECAAYFAk92K6UACgkQdwG7hYl686NrMACfWQJRWasR78MWKfkT2vWZwTFJ
 X5AAoKiSYO2pfo5gWJGOAahNC1zUqMX0
 =i3Vb
 -----END PGP SIGNATURE-----

Merge tag 'for-linus-3.4' of git://git.infradead.org/mtd-2.6

Pull MTD changes from David Woodhouse:
 - Artem's cleanup of the MTD API continues apace.
 - Fixes and improvements for ST FSMC and SuperH FLCTL NAND, amongst
   others.
 - More work on DiskOnChip G3, new driver for DiskOnChip G4.
 - Clean up debug/warning printks in JFFS2 to use pr_<level>.

Fix up various trivial conflicts, largely due to changes in calling
conventions for things like dmaengine_prep_slave_sg() (new inline
wrapper to hide new parameter, clashing with rewrite of previously last
parameter that used to be an 'append' flag, and is now a bitmap of
'unsigned long flags').

(Also some header file fallout - like so many merges this merge window -
and silly conflicts with sparse fixes)

* tag 'for-linus-3.4' of git://git.infradead.org/mtd-2.6: (120 commits)
  mtd: docg3 add protection against concurrency
  mtd: docg3 refactor cascade floors structure
  mtd: docg3 increase write/erase timeout
  mtd: docg3 fix inbound calculations
  mtd: nand: gpmi: fix function annotations
  mtd: phram: fix section mismatch for phram_setup
  mtd: unify initialization of erase_info->fail_addr
  mtd: support ONFI multi lun NAND
  mtd: sm_ftl: fix typo in major number.
  mtd: add device-tree support to spear_smi
  mtd: spear_smi: Remove default partition information from driver
  mtd: Add device-tree support to fsmc_nand
  mtd: fix section mismatch for doc_probe_device
  mtd: nand/fsmc: Remove sparse warnings and errors
  mtd: nand/fsmc: Add DMA support
  mtd: nand/fsmc: Access the NAND device word by word whenever possible
  mtd: nand/fsmc: Use dev_err to report error scenario
  mtd: nand/fsmc: Use devm routines
  mtd: nand/fsmc: Modify fsmc driver to accept nand timing parameters via platform
  mtd: fsmc_nand: add pm callbacks to support hibernation
  ...
2012-03-30 17:31:56 -07:00
Linus Torvalds
c39e8ede28 ARM: A few more platform fixes for include file fallout
Two patches, one dealing with the system.h fallout, the other is a missing
 linux/bug.h in a place where ARRAY_SIZE() is used.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABAgAGBQJPdjupAAoJEIwa5zzehBx3ME0QAJCWNrLTykxVTS/tgjOC/cDH
 dqgCnXKZ03A1jW/cEoptQwfGFi2eTNuo1joSerwKBn+O0R6HAGVBDaMbODmZKZIL
 0ITlaXMEmN6OaWImIo3fygYyZdG0wpst9I3L8jhkQFbnd6aVkutm7dEg5fuId8fD
 D+/LM5o9kyrsbKdEI1dhnVl1hVscHmNYQ5YITqLj2q84PHlLMlowVhVrRzUSDOT8
 /E+APwwKTtIlXqZpDHCT1TlmLXAcGZKs3BTP/i8MEecbFCAy0GHgZT3phcuUtR/+
 YkKJkgUB0EcqEWNfoysr0eU7g44Dvkm5aA4kpvSzrwTQJk3GJFyWRfYlzndt5lUq
 kk8CAAiqDAxlGrJXm51ywzNZ3QeY7Au8BCgxmQe6aop9lexQyXCukaE0LO8GzTjj
 4p2YSTqlQ5WKoxELG3KFPaGFatR/ZA6MKyplp0VrYlXPXrsuJoTP9FQc8vwTl+OQ
 9BKVC9+Ile9HQh50CjuBpNZT4+wBLVrMC6dUBE4UhBd0B7uKVuSDMYnx5t89XTxW
 4kWdD+pacSAiD5l7w0KJUdUL6ATKmkeByjLCxZ1beoYXyzBBMwdKb7MgKuv51o1N
 sN5VPbqvrZgkZOFZ18p1dB9QhZVNzp7FPtx3Uxu4WqknQuCceIIBQrM/MVFbadp3
 6+eLBPO8pEHk68AbkevJ
 =GQrl
 -----END PGP SIGNATURE-----

Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull a few more ARM platform fixes from Olof Johansson:
 "Apologies for back-to-back fixes pull requests, but one of the patches
  below are the kind we'll see posted over and over if we don't send it
  in.  I hadn't done the full sanity-check of defconfig builds by the
  time I sent up the other fixes yesterday or I would have included it
  then.

  Two patches, one dealing with the system.h fallout, the other is a
  missing linux/bug.h in a place where ARRAY_SIZE() is used."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: clps711x: fix missing include file
  ARM: fix builds due to missing <asm/system_misc.h> includes
2012-03-30 17:00:34 -07:00
Linus Torvalds
a335750b9a Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull ACPI & Power Management changes from Len Brown:
 - ACPI 5.0 after-ripples, ACPICA/Linux divergence cleanup
 - cpuidle evolving, more ARM use
 - thermal sub-system evolving, ditto
 - assorted other PM bits

Fix up conflicts in various cpuidle implementations due to ARM cpuidle
cleanups (ARM at91 self-refresh and cpu idle code rewritten into
"standby" in asm conflicting with the consolidation of cpuidle time
keeping), trivial SH include file context conflict and RCU tracing fixes
in generic code.

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (77 commits)
  ACPI throttling: fix endian bug in acpi_read_throttling_status()
  Disable MCP limit exceeded messages from Intel IPS driver
  ACPI video: Don't start video device until its associated input device has been allocated
  ACPI video: Harden video bus adding.
  ACPI: Add support for exposing BGRT data
  ACPI: export acpi_kobj
  ACPI: Fix logic for removing mappings in 'acpi_unmap'
  CPER failed to handle generic error records with multiple sections
  ACPI: Clean redundant codes in scan.c
  ACPI: Fix unprotected smp_processor_id() in acpi_processor_cst_has_changed()
  ACPI: consistently use should_use_kmap()
  PNPACPI: Fix device ref leaking in acpi_pnp_match
  ACPI: Fix use-after-free in acpi_map_lsapic
  ACPI: processor_driver: add missing kfree
  ACPI, APEI: Fix incorrect APEI register bit width check and usage
  Update documentation for parameter *notrigger* in einj.txt
  ACPI, APEI, EINJ, new parameter to control trigger action
  ACPI, APEI, EINJ, limit the range of einj_param
  ACPI, APEI, Fix ERST header length check
  cpuidle: power_usage should be declared signed integer
  ...
2012-03-30 16:45:39 -07:00
Olof Johansson
d3c7de5209 ARM: clps711x: fix missing include file
linux/bug.h is needed due to an ARRAY_SIZE being used:

arch/arm/mach-clps711x/edb7211-mm.c: In function 'edb7211_map_io':
arch/arm/mach-clps711x/edb7211-mm.c:79:9: error: implicit declaration of function 'BUILD_BUG_ON_ZERO'

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-03-30 15:44:48 -07:00
Olof Johansson
86dfe446c2 ARM: fix builds due to missing <asm/system_misc.h> includes
This does a sweeping change fixing up all the missing system_misc.h and
system_info.h includes from the system.h split-up change. These were the
ones I came across when building all defconfigs in arch/arm/configs, there
might be more but they lack adequate build coverage to be easily caught.

I'm expecting to get a lot of these piecemeal by each maintainer, so we
might just as well do one sweeping change to get them all at once.

Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: Krzysztof Halasa <khc@pm.waw.pl>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-03-30 15:44:40 -07:00
Len Brown
d326f44e5f Merge branch 'tboot' into release
Conflicts:
	drivers/acpi/acpica/hwsleep.c

Text conflict between:

2feec47d4c
(ACPICA: ACPI 5: Support for new FADT SleepStatus, SleepControl registers)

which removed #include "actables.h"

and

09f98a825a
(x86, acpi, tboot: Have a ACPI os prepare sleep instead of calling tboot_sleep.)

which removed #include <linux/tboot.h>

The resolution is to remove them both.

Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30 16:38:59 -04:00
Len Brown
1a05e46787 Merge branches 'acpica', 'bgrt', 'bz-11533', 'cpuidle', 'ec', 'hotplug', 'misc', 'red-hat-bz-727865', 'thermal', 'throttling', 'turbostat' and 'video' into release
Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30 16:10:37 -04:00
Russell King
3eb8d70990 ARM: fix bios32.c build warning
arch/arm/kernel/bios32.c: In function 'pcibios_fixup_bus':
arch/arm/kernel/bios32.c:302: warning: unused variable 'root'

caused by 9f786d033 (arm/PCI: get rid of device resource fixups)

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-30 21:03:54 +01:00
David Howells
40380f1c78 ia64: Fixup asm/cmpxchg.h
The empty asm/cmpxchg.h file that was provided as a temporary build fix
for the asm/system.h disintgration build problem should really include
<asm/intrinsics.h> to make definitions of xchg() and cmpxchg()
available.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-30 12:34:07 -07:00
Linus Torvalds
59f2fe3266 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 build fixes from Martin Schwidefsky.

More small fixes for the system.h disintegration.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  [S390] Fix build errors (fallout from system.h disintegration)
2012-03-30 10:57:40 -07:00
Linus Torvalds
307cc79048 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull minor Sparc fixes from David Miller:
 "This just fixes build fallout due to recent changes that went int your
  tree."

Sam Ravnborg says that sparc32 still needs some more tender loving.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc: Fix even more fallout from system.h split.
  sparc: fix fallout from system.h split
2012-03-30 10:56:11 -07:00
Andi Kleen
c0e9afc0da x86: Use -mno-avx when available
On gccs that support AVX it's a good idea to disable that too, similar to
how SSE2, SSE1 etc. are already disabled. This prevents the compiler
from generating AVX ever implicitely.

No failure observed, just from review.

[ hpa: Marking this for urgent and stable, simply because the patch
  will either have absolutely no effect *or* it will avoid potentially
  very hard to debug failures. ]

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1332960678-11879-1-git-send-email-andi@firstfloor.org
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: <stable@vger.kernel.org>
2012-03-30 10:06:39 -07:00
Will Deacon
5a4f5da543 ARM: 7337/1: ptrace: fix ptrace_read_user for !CONFIG_MMU platforms
Commit 68b7f715 ("nommu: ptrace support") added definitions for
PT_TEXT_ADDR and friends, as well as adding ptrace support for reading
from these magic offsets.

Unfortunately, this has probably never worked, since ptrace_read_user
predicates reading on off < sizeof(struct user), returning -EIO
otherwise.

This patch moves the offset size check until after we have tried to
match it against either a magic value or an offset into pt_regs.

Cc: Paul Brook <paul@codesourcery.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-30 12:17:33 +01:00
Paul Mundt
915ab1771b Merge branches 'sh/urgent', 'sh/vsyscall' and 'common/serial-rework' into sh-latest 2012-03-30 19:53:33 +09:00
Russell King
fa0d1dbf7f ARM: fix missing bug.h include in arch/arm/kernel/insn.c
arch/arm/kernel/insn.c: In function '__arm_gen_branch_thumb2':
arch/arm/kernel/insn.c:13: error: implicit declaration of function 'WARN_ON_ONCE'

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-30 11:51:46 +01:00
Paul Mundt
cd34e202fa sh: vsyscall: Fix up .eh_frame generation.
Some improper formatting caused the .eh_frame generation to fail,
resulting in gcc/g++ testsuite failures with regards to unwinding through
the vDSO. Now that someone is actually working on this on the gcc side
it's time to fix up the kernel side, too.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-03-30 19:42:26 +09:00
Paul Mundt
87c34ed3ab sh: dma: Fix up device attribute mismatch from sysdev fallout.
This fixes up an attribute mismatch that was introduced in the
sysdev->struct device migration.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-03-30 19:36:03 +09:00
Paul Mundt
da47f4a318 sh: dwarf unwinder depends on SHcompact.
Presently there's no SHmedia support plugged in for the dwarf unwinder.
While it's trivial to provide an SHmedia version of dwarf_read_arch_reg(),
the general sh64 case is more complicated in that the TLB miss handler
uses a locked down set of registers for optimization (including the frame
pointer) which we need for the unwind table generation.

While freeing up the frame pointer for use in the TLB miss handler is
reasonably straightforward, it's still more trouble than it's worth, so
we simply restrict the unwinder to 32-bit for now.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-03-30 19:31:22 +09:00
Paul Mundt
f03c4866d3 sh: fix up fallout from system.h disintegration.
Quite a bit of fallout all over the place, nothing terribly exciting.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-03-30 19:29:57 +09:00
Michal Simek
90c0d80daa microblaze: Add missing headers caused by disintegration asm/system.h
It should be the part of patch
"Disintegrate asm/system.h for Microblaze"
(sha1: c40d04df15)

Signed-off-by: Michal Simek <monstr@monstr.eu>
2012-03-30 12:11:46 +02:00
Michal Simek
6a4770e335 Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next 2012-03-30 12:10:03 +02:00
Michal Simek
ac64a9caa5 microblaze: Fix stack usage in PAGE_SIZE copy_tofrom_user
If access to user space failed we need to reconstruct
stack pointer and restore all register.

This patch fixed problem introduces by:
"microblaze: Add loop unrolling for PAGE in copy_tofrom_user"
(sha1: ebe211254b)

Signed-off-by: Michal Simek <monstr@monstr.eu>
2012-03-30 11:37:13 +02:00
Heiko Carstens
1e3cab2f2f [S390] Fix build errors (fallout from system.h disintegration)
Signed-off-by: Heiko Carstens <h.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-03-30 09:41:12 +02:00
Petr Vandrovec
ac909ec308 ACPI: Fix use-after-free in acpi_map_lsapic
When processor is being hot-added to the system, acpi_map_lsapic invokes
ACPI _MAT method to find APIC ID and flags, verifies that returned structure
is indeed ACPI's local APIC structure, and that flags contain MADT_ENABLED
bit.  Then saves APIC ID, frees structure - and accesses structure when
computing arguments for acpi_register_lapic call.  Which sometime leads
to acpi_register_lapic call being made with second argument zero, failing
to bring processor online with error 'Unable to map lapic to logical cpu
number'.

As lapic->lapic_flags & ACPI_MADT_ENABLED was already confirmed to be non-zero
few lines above, we can just pass unconditional ACPI_MADT_ENABLED to the
acpi_register_lapic.

Signed-off-by: Petr Vandrovec <petr@vmware.com>
Signed-off-by: Alok N Kataria <akataria@vmware.com>
Reviewed-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30 03:31:58 -04:00
Boris Ostrovsky
1a022e3f1b idle, x86: Allow off-lined CPU to enter deeper C states
Currently when a CPU is off-lined it enters either MWAIT-based idle or,
if MWAIT is not desired or supported, HLT-based idle (which places the
processor in C1 state). This patch allows processors without MWAIT
support to stay in states deeper than C1.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@amd.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30 03:23:01 -04:00
Linus Torvalds
f52b69f86e SuperH updates for 3.4 merge window
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.15 (GNU/Linux)
 
 iEYEABECAAYFAk91TL0ACgkQGkmNcg7/o7hEjwCgmuz6QQKkow7e5q0x7DR5Z2NH
 1YoAn3TpODDmpaBiou26uMRPhcR6e1qC
 =JCA0
 -----END PGP SIGNATURE-----

Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh

Pull SuperH updates from Paul Mundt.

* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (25 commits)
  sh: Support I/O space swapping where needed.
  sh: use set_current_blocked() and block_sigmask()
  sh: no need to reset handler if SA_ONESHOT
  sh: intc: Fix up section mismatch for intc_ack_data
  sh: select ARCH_DISCARD_MEMBLOCK.
  sh: Consolidate duplicate _32/_64 unistd definitions.
  sh: ecovec: switch SDHI controllers to card polling
  sh: Avoid exporting unimplemented syscalls.
  sh: add platform_device for RSPI in setup-sh7757
  SH: pci-sh7780: enable big-endian operation.
  serial: sh-sci: fix a race of DMA submit_tx on transfer
  sh: dma: Collect up CHCR of SH7763, SH7764, SH7780 and SH7785
  sh: dma: Collect up CHCR of SH7723 and SH7730
  sh/next: Fix build fail by asm/system.h in asm/bitops.h
  arch/sh/drivers/dma/{dma-g2,dmabrg}.c: ensure arguments to request_irq and free_irq are compatible
  sh: cpufreq: Wire up scaling_available_freqs support.
  sh: cpufreq: notify about rate rounding fallback.
  sh: cpufreq: Support CPU clock frequency table.
  sh: cpufreq: struct device lookup from CPU topology.
  sh: cpufreq: percpu struct clk accounting.
  ...
2012-03-30 00:09:17 -07:00
Len Brown
f6365201d8 x86: Remove the ancient and deprecated disable_hlt() and enable_hlt() facility
The X86_32-only disable_hlt/enable_hlt mechanism was used by the
32-bit floppy driver. Its effect was to replace the use of the
HLT instruction inside default_idle() with cpu_relax() - essentially
it turned off the use of HLT.

This workaround was commented in the code as:

 "disable hlt during certain critical i/o operations"

 "This halt magic was a workaround for ancient floppy DMA
  wreckage. It should be safe to remove."

H. Peter Anvin additionally adds:

 "To the best of my knowledge, no-hlt only existed because of
  flaky power distributions on 386/486 systems which were sold to
  run DOS.  Since DOS did no power management of any kind,
  including HLT, the power draw was fairly uniform; when exposed
  to the much hhigher noise levels you got when Linux used HLT
  caused some of these systems to fail.

  They were by far in the minority even back then."

Alan Cox further says:

 "Also for the Cyrix 5510 which tended to go castors up if a HLT
  occurred during a DMA cycle and on a few other boxes HLT during
  DMA tended to go astray.

  Do we care ? I doubt it. The 5510 was pretty obscure, the 5520
  fixed it, the 5530 is probably the oldest still in any kind of
  use."

So, let's finally drop this.

Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Stephen Hemminger <shemminger@vyatta.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/n/tip-3rhk9bzf0x9rljkv488tloib@git.kernel.org
[ If anyone cares then alternative instruction patching could be
  used to replace HLT with a one-byte NOP instruction. Much simpler. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-03-30 08:50:27 +02:00
Ingo Molnar
186e54cbe1 Merge branch 'linus' into x86/urgent
Merge reason: Needed for include file dependencies.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2012-03-30 08:50:06 +02:00
Linus Torvalds
2f7fa1be66 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull 2nd round of input updates from Dmitry Torokhov:
 - update to Wacom driver to support wireless devices
 - update to Sentelci touchpad driver to support newer hardware
 - update to gpio-keys driver to support "interrupt-only" keys
 - fixups to earlier commits

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: wacom - check for allocation failure in probe()
  Input: tegra-kbc - allocate pdata before using it
  Input: amijoy - add missing platform check
  Input: wacom - wireless battery status
  Input: wacom - create inputs when wireless connect
  Input: wacom - wireless monitor framework
  Input: wacom - isolate input registration
  Input: sentelic - improve packet debugging information
  Input: sentelic - minor code cleanup
  Input: sentelic - enabling absolute coordinates output for newer hardware
  Input: sentelic - refactor code for upcoming new hardware support
  Input: gpio_keys - add support for interrupt only keys
  Input: gpio_keys - consolidate key destructor code
  Input: revert "gpio_keys - switch to using threaded IRQs"
  Input: gpio_keys - constify platform data
  Input: spear-keyboard - remove kbd_set_plat_data()
2012-03-29 23:17:44 -07:00
David S. Miller
8befc9f23c sparc: Fix even more fallout from system.h split.
jump_label.c needs asm/cacheflush.h to get flushi().
kgdb_64.c needs asm/cacheflush.h to get flushw_all().

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-29 22:40:52 -07:00
Stephen Rothwell
7f55ba9c4c sparc: fix fallout from system.h split
Fixes this build error:

kernel/signal.c: In function 'ptrace_stop':
kernel/signal.c:1860:3: error: implicit declaration of function 'synchronize_user_stack' [-Werror=implicit-function-declaration]

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-29 22:39:57 -07:00
Linus Torvalds
4bde23f875 ARM: arm-soc fixes for 3.4-rc
This is a first pass of some of the merge window fallout for ARM platforms.
 
 Nothing controversial:
 
 * A system.h fallout fix for OMAP
 * PXA fixes for breakage caused by the regulator struct changes
 * GPIO fixes for OMAP to properly deal with dynamic IRQ allocation
 * A mismerge in our arm-soc tree of an lpc32xx change for networking
 * A fix for USB setup on tegra
 * An undo of __init annotation of display mux setup on OMAP that's needed
   at runtime
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABAgAGBQJPdSzXAAoJEIwa5zzehBx3b6sQAIhmAQbkYmlkU5GefUmPR++B
 JIu8XFKEgWYaviRPj5cUZ4Lx3DWIIcwcGD2AmFdA2RY6JJmULY2Hw2v9yn8mhDPS
 7319kMK/Niu3c/DIwxyXHihOQ0LSF+V4dKyHcX1zhG8MFXtUVNudNMg9DwbWMqhk
 IXNNREuTTc5313i6cocSIKizGMqED6xxhnuAAt4cTzT/vfSDicNq7DdH6kmPqTgV
 azuAlgvDI+k7RvPQY360hLVXFBEGDZV/uOWJFfgtmZcxwhfRVJuEp6+lGFDHNLXU
 jbYt/NeLOOv4C+KEDKolR2YJ/xe/gM//rLD2vErT+DTPUuEyQblo8JXEGsRCdNhF
 UWK2PW/gBgVW/tFAaDSCLRYPxWL5IUoE2NA7XOF4Gi8hPn1o8JaRXeAhDRK47xiv
 NnS4nYJF6dFsxYCH+SJkiotY8/y+CkDPWhE4lChPWxJTDeMuREGrDkUNCRs06by8
 I7AVXqBv00q+e3QjE8zE+1AxQEXBty+DwhyzefGKwI8PntfqhuVSVXb2x7DO2hXk
 hBAJt/6nBy0IHa0pRPZ4QkA+phXRES5zAyZ9R3oDEW37t1EqhKEnOsmLU4s9CxAk
 Lqelzx31SzTpN1VkqjCkRDxXNC5Ww02WmAO+mWoeCUlvnM4GwpmWriXn9lej87KQ
 fbIgpnFen1ftSJn6fLnN
 =36Eb
 -----END PGP SIGNATURE-----

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:
 "This is a first pass of some of the merge window fallout for ARM
  platforms.

  Nothing controversial:
   - A system.h fallout fix for OMAP
   - PXA fixes for breakage caused by the regulator struct changes
   - GPIO fixes for OMAP to properly deal with dynamic IRQ allocation
   - A mismerge in our arm-soc tree of an lpc32xx change for networking
   - A fix for USB setup on tegra
   - An undo of __init annotation of display mux setup on OMAP that's
     needed at runtime"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: pxa: fix build issue on stargate2
  ARM: pxa: fix build issue on cm-x300
  ARM: pxa: fix build failure for regulator consumer in em-x270.c
  ARM: LPC32xx: clock.c: Fix lpc-eth clock reference
  ARM: OMAP: pm: fix compilation break
  ARM: OMAP: Remove OMAP_GPIO_IRQ macro definition
  drivers: input: Fix OMAP_GPIO_IRQ with gpio_to_irq() in ams_delta_serio_exit()
  ARM: OMAP: boards: Fix OMAP_GPIO_IRQ usage with gpio_to_irq()
  ARM: pxa: fix regulator related build fail in magician_defconfig
  ARM: tegra: Fix device tree AUXDATA for USB/EHCI
  ARM: OMAP2+: Remove __init from DSI mux functions
2012-03-29 21:30:28 -07:00
Olof Johansson
f00e9b1186 Merge branch 'fixes' of git://github.com/hzhuang1/linux into fixes
* 'fixes' of git://github.com/hzhuang1/linux:
  ARM: pxa: fix build issue on stargate2
  ARM: pxa: fix build issue on cm-x300
  ARM: pxa: fix build failure for regulator consumer in em-x270.c
  ARM: pxa: fix regulator related build fail in magician_defconfig
2012-03-29 20:36:18 -07:00
Linus Torvalds
eb05df9e7e Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Peter Anvin:
 "The biggest textual change is the cleanup to use symbolic constants
  for x86 trap values.

  The only *functional* change and the reason for the x86/x32 dependency
  is the move of is_ia32_task() into <asm/thread_info.h> so that it can
  be used in other code that needs to understand if a system call comes
  from the compat entry point (and therefore uses i386 system call
  numbers) or not.  One intended user for that is the BPF system call
  filter.  Moving it out of <asm/compat.h> means we can define it
  unconditionally, returning always true on i386."

* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: Move is_ia32_task to asm/thread_info.h from asm/compat.h
  x86: Rename trap_no to trap_nr in thread_struct
  x86: Use enum instead of literals for trap values
2012-03-29 18:21:35 -07:00
Linus Torvalds
a591afc01d Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x32 support for x86-64 from Ingo Molnar:
 "This tree introduces the X32 binary format and execution mode for x86:
  32-bit data space binaries using 64-bit instructions and 64-bit kernel
  syscalls.

  This allows applications whose working set fits into a 32 bits address
  space to make use of 64-bit instructions while using a 32-bit address
  space with shorter pointers, more compressed data structures, etc."

Fix up trivial context conflicts in arch/x86/{Kconfig,vdso/vma.c}

* 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (71 commits)
  x32: Fix alignment fail in struct compat_siginfo
  x32: Fix stupid ia32/x32 inversion in the siginfo format
  x32: Add ptrace for x32
  x32: Switch to a 64-bit clock_t
  x32: Provide separate is_ia32_task() and is_x32_task() predicates
  x86, mtrr: Use explicit sizing and padding for the 64-bit ioctls
  x86/x32: Fix the binutils auto-detect
  x32: Warn and disable rather than error if binutils too old
  x32: Only clear TIF_X32 flag once
  x32: Make sure TS_COMPAT is cleared for x32 tasks
  fs: Remove missed ->fds_bits from cessation use of fd_set structs internally
  fs: Fix close_on_exec pointer in alloc_fdtable
  x32: Drop non-__vdso weak symbols from the x32 VDSO
  x32: Fix coding style violations in the x32 VDSO code
  x32: Add x32 VDSO support
  x32: Allow x32 to be configured
  x32: If configured, add x32 system calls to system call tables
  x32: Handle process creation
  x32: Signal-related system calls
  x86: Add #ifdef CONFIG_COMPAT to <asm/sys_ia32.h>
  ...
2012-03-29 18:12:23 -07:00
Haojian Zhuang
5616131daf ARM: pxa: fix build issue on stargate2
arch/arm/mach-pxa/stargate2.c:155:3: error: unknown field ‘dev’
specified in initializer
arch/arm/mach-pxa/stargate2.c:155:3: warning: initialization from
incompatible pointer type [enabled by default]
arch/arm/mach-pxa/stargate2.c:155:3: warning: (near initialization for
‘stargate2_sensor_3_con[0].dev_name’) [enabled by default]
make[1]: *** [arch/arm/mach-pxa/stargate2.o] Error 1
make: *** [arch/arm/mach-pxa] Error 2

It's caused by 'dev' field removed from struct
regulator_consumer_supply.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
2012-03-30 09:03:20 +08:00
Haojian Zhuang
e9478587c4 ARM: pxa: fix build issue on cm-x300
arch/arm/mach-pxa/cm-x300.c:716:3: error: unknown field ‘dev’ specified
in initializer
make[1]: *** [arch/arm/mach-pxa/cm-x300.o] Error 1
make: *** [arch/arm/mach-pxa] Error 2

It's caused by 'dev' field removed from struct
regulator_consumer_supply.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
2012-03-30 09:03:06 +08:00
Linus Torvalds
820d41cf0c ARM: cleanups of io includes
Rob Herring has done a sweeping change cleaning up all of the mach/io.h includes,
 moving some of the oft-repeated macros to a common location and removing a bunch of
 boiler plate. This is another step closer to a common zImage for multiple platforms.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABAgAGBQJPcpqHAAoJEIwa5zzehBx3xCMP/2evrPQyorzMBztrFB4Ry9Ol
 qNkSVNsemZjdtkY2dnJv+zJ/Xb0PPDU9EuBHr/SpqmVrRZEZeJND42wZK/OTFCBZ
 Ufi7KP1qE30daO5H3YmL+58/Ixir5fTHqggqolHhTcEYU2hnHgLBI4rIFu92kSO7
 TMyrAUs14jSkTVZc6HSF83w3PfQWhMzWvspJVHQ6RebZRruETAr7v9weVMbgxcDk
 jQ5XJ9y73rGs2AF8bZTpUdFPzkcac7UiHn3/XyqoZs8RNCL98BGpskzhILyTARf5
 X90c9mqQF+AEbb9QSDDd52uYFsJ/5COJvWdlExRI9gZZDI8Pd05ijZBR9IdGJg/B
 NsVsl98wvZ/zjHJ/Sb2qt5ruet7PiQUGhkshB42jVHsaWfRM030sKGYxQ8pX5Tsa
 cSagnfBCvAZ9VjDLkXrnEbWRNTz8LSwn9l63z0jmtm5D8+vbpMtgvtWARtuZ4RNn
 D8wIWoyT0ytVZnosu5441TEgCejtcKOEFzThvKDYMeMJZ/rqVkAbcznapoC2qUd4
 fceNlLfQFvW7xpY1MY8mhlwC0ki4hM9MSDieaXUyefvAU/hoSp8MveVUH5UspYfb
 0FpkEhzklW/g0/fuq0DJQIrMn7dajjUvVZIUQtiVQuFHOr6RUbFG5vmXuCbAyx10
 PE2K4rnKz+PC8bKab7v9
 =YIsn
 -----END PGP SIGNATURE-----

Merge tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: cleanups of io includes" from Olof Johansson:
 "Rob Herring has done a sweeping change cleaning up all of the
  mach/io.h includes, moving some of the oft-repeated macros to a common
  location and removing a bunch of boiler plate.  This is another step
  closer to a common zImage for multiple platforms."

Fix up various fairly trivial conflicts (<mach/io.h> removal vs changes
around it, tegra localtimer.o is *still* gone, yadda-yadda).

* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
  ARM: tegra: Include assembler.h in sleep.S to fix build break
  ARM: pxa: use common IOMEM definition
  ARM: dma-mapping: convert ARCH_HAS_DMA_SET_COHERENT_MASK to kconfig symbol
  ARM: __io abuse cleanup
  ARM: create a common IOMEM definition
  ARM: iop13xx: fix missing declaration of iop13xx_init_early
  ARM: fix ioremap/iounmap for !CONFIG_MMU
  ARM: kill off __mem_pci
  ARM: remove bunch of now unused mach/io.h files
  ARM: make mach/io.h include optional
  ARM: clps711x: remove unneeded include of mach/io.h
  ARM: dove: add explicit include of dove.h to addr-map.c
  ARM: at91: add explicit include of hardware.h to uncompressor
  ARM: ep93xx: clean-up mach/io.h
  ARM: tegra: clean-up mach/io.h
  ARM: orion5x: clean-up mach/io.h
  ARM: davinci: remove unneeded mach/io.h include
  [media] davinci: remove includes of mach/io.h
  ARM: OMAP: Remove remaining includes for mach/io.h
  ARM: msm: clean-up mach/io.h
  ...
2012-03-29 18:02:10 -07:00
Paul Gortmaker
804d231230 ARM: pxa: fix build failure for regulator consumer in em-x270.c
Commit 737f360d5b

"regulator: Remove support for supplies specified by struct device"

caused this file to break, since it was still relying on the
device field to be present.  Map it onto dev_name appropriately

Since there are two consumers with the name "reg-userspace-consumer",
we have to supply the ID as a suffix in the REGULATOR_CONSUMER calls.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
2012-03-30 08:41:18 +08:00
Linus Torvalds
12679a2d7e Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
Pull more ARM updates from Russell King.

This got a fair number of conflicts with the <asm/system.h> split, but
also with some other sparse-irq and header file include cleanups.  They
all looked pretty trivial, though.

* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (59 commits)
  ARM: fix Kconfig warning for HAVE_BPF_JIT
  ARM: 7361/1: provide XIP_VIRT_ADDR for no-MMU builds
  ARM: 7349/1: integrator: convert to sparse irqs
  ARM: 7259/3: net: JIT compiler for packet filters
  ARM: 7334/1: add jump label support
  ARM: 7333/2: jump label: detect %c support for ARM
  ARM: 7338/1: add support for early console output via semihosting
  ARM: use set_current_blocked() and block_sigmask()
  ARM: exec: remove redundant set_fs(USER_DS)
  ARM: 7332/1: extract out code patch function from kprobes
  ARM: 7331/1: extract out insn generation code from ftrace
  ARM: 7330/1: ftrace: use canonical Thumb-2 wide instruction format
  ARM: 7351/1: ftrace: remove useless memory checks
  ARM: 7316/1: kexec: EOI active and mask all interrupts in kexec crash path
  ARM: Versatile Express: add NO_IOPORT
  ARM: get rid of asm/irq.h in asm/prom.h
  ARM: 7319/1: Print debug info for SIGBUS in user faults
  ARM: 7318/1: gic: refactor irq_start assignment
  ARM: 7317/1: irq: avoid NULL check in for_each_irq_desc loop
  ARM: 7315/1: perf: add support for the Cortex-A7 PMU
  ...
2012-03-29 16:53:48 -07:00
Jason Wessel
3751d3e85c x86,kgdb: Fix DEBUG_RODATA limitation using text_poke()
There has long been a limitation using software breakpoints with a
kernel compiled with CONFIG_DEBUG_RODATA going back to 2.6.26. For
this particular patch, it will apply cleanly and has been tested all
the way back to 2.6.36.

The kprobes code uses the text_poke() function which accommodates
writing a breakpoint into a read-only page.  The x86 kgdb code can
solve the problem similarly by overriding the default breakpoint
set/remove routines and using text_poke() directly.

The x86 kgdb code will first attempt to use the traditional
probe_kernel_write(), and next try using a the text_poke() function.
The break point install method is tracked such that the correct break
point removal routine will get called later on.

Cc: x86@kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: stable@vger.kernel.org # >= 2.6.36
Inspried-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2012-03-29 17:41:25 -05:00
Linus Torvalds
ef08e78268 Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dmaengine update from Vinod Koul:
 "This includes the cookie cleanup by Russell, the addition of context
  parameter for dmaengine APIs, more arm dmaengine driver cleanup by
  moving code to dmaengine, this time for imx by Javier and pl330 by
  Boojin along with the usual driver fixes."

Fix up some fairly trivial conflicts with various other cleanups.

* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (67 commits)
  dmaengine: imx: fix the build failure on x86_64
  dmaengine: i.MX: Fix merge of cookie branch.
  dmaengine: i.MX: Add support for interleaved transfers.
  dmaengine: imx-dma: use 'dev_dbg' and 'dev_warn' for messages.
  dmaengine: imx-dma: remove 'imx_dmav1_baseaddr' and 'dma_clk'.
  dmaengine: imx-dma: remove unused arg of imxdma_sg_next.
  dmaengine: imx-dma: remove internal structure.
  dmaengine: imx-dma: remove 'resbytes' field of 'internal' structure.
  dmaengine: imx-dma: remove 'in_use' field of 'internal' structure.
  dmaengine: imx-dma: remove sg member from internal structure.
  dmaengine: imx-dma: remove 'imxdma_setup_sg_hw' function.
  dmaengine: imx-dma: remove 'imxdma_config_channel_hw' function.
  dmaengine: imx-dma: remove 'imxdma_setup_mem2mem_hw' function.
  dmaengine: imx-dma: remove dma_mode member of internal structure.
  dmaengine: imx-dma: remove data member from internal structure.
  dmaengine: imx-dma: merge old dma-v1.c with imx-dma.c
  dmaengine: at_hdmac: add slave config operation
  dmaengine: add context parameter to prep_slave_sg and prep_dma_cyclic
  dmaengine/dma_slave: introduce inline wrappers
  dma: imx-sdma: Treat firmware messages as warnings instead of erros
  ...
2012-03-29 15:34:57 -07:00
zhuangfeiran@ict.ac.cn
1d24fb3684 x86 bpf_jit: fix a bug in emitting the 16-bit immediate operand of AND
When K >= 0xFFFF0000, AND needs the two least significant bytes of K as
its operand, but EMIT2() gives it the least significant byte of K and
0x2. EMIT() should be used here to replace EMIT2().

Signed-off-by: Feiran Zhuang  <zhuangfeiran@ict.ac.cn>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-29 18:12:59 -04:00
Linus Torvalds
50483c3268 Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull arch/tile (really asm-generic) update from Chris Metcalf:
 "These are a couple of asm-generic changes that apply to tile."

* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
  compat: use sys_sendfile64() implementation for sendfile syscall
  [PATCH v3] ipc: provide generic compat versions of IPC syscalls
2012-03-29 14:49:45 -07:00
Linus Torvalds
7fda0412c5 Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar.

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  cpusets: Remove an unused variable
  sched/rt: Improve pick_next_highest_task_rt()
  sched: Fix select_fallback_rq() vs cpu_active/cpu_online
  sched/x86/smp: Do not enable IRQs over calibrate_delay()
  sched: Fix compiler warning about declared inline after use
  MAINTAINERS: Update email address for SCHEDULER and PERF EVENTS
2012-03-29 14:46:05 -07:00
Linus Torvalds
6b8212a313 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 updates from Ingo Molnar.

This touches some non-x86 files due to the sanitized INLINE_SPIN_UNLOCK
config usage.

Fixed up trivial conflicts due to just header include changes (removing
headers due to cpu_idle() merge clashing with the <asm/system.h> split).

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/apic/amd: Be more verbose about LVT offset assignments
  x86, tls: Off by one limit check
  x86/ioapic: Add io_apic_ops driver layer to allow interception
  x86/olpc: Add debugfs interface for EC commands
  x86: Merge the x86_32 and x86_64 cpu_idle() functions
  x86/kconfig: Remove CONFIG_TR=y from the defconfigs
  x86: Stop recursive fault in print_context_stack after stack overflow
  x86/io_apic: Move and reenable irq only when CONFIG_GENERIC_PENDING_IRQ=y
  x86/apic: Add separate apic_id_valid() functions for selected apic drivers
  locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage
  x86/kconfig: Update defconfigs
  x86: Fix excessive MSR print out when show_msr is not specified
2012-03-29 14:28:26 -07:00
Linus Torvalds
bcd550745f Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer core updates from Thomas Gleixner.

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  ia64: vsyscall: Add missing paranthesis
  alarmtimer: Don't call rtc_timer_init() when CONFIG_RTC_CLASS=n
  x86: vdso: Put declaration before code
  x86-64: Inline vdso clock_gettime helpers
  x86-64: Simplify and optimize vdso clock_gettime monotonic variants
  kernel-time: fix s/then/than/ spelling errors
  time: remove no_sync_cmos_clock
  time: Avoid scary backtraces when warning of > 11% adj
  alarmtimer: Make sure we initialize the rtctimer
  ntp: Fix leap-second hrtimer livelock
  x86, tsc: Skip refined tsc calibration on systems with reliable TSC
  rtc: Provide flag for rtc devices that don't support UIE
  ia64: vsyscall: Use seqcount instead of seqlock
  x86: vdso: Use seqcount instead of seqlock
  x86: vdso: Remove bogus locking in update_vsyscall_tz()
  time: Remove bogus comments
  time: Fix change_clocksource locking
  time: x86: Fix race switching from vsyscall to non-vsyscall clock
2012-03-29 14:16:48 -07:00
Luck, Tony
93f378883c Fix ia64 build errors (fallout from system.h disintegration)
Fix this build error on ia64:

  In file included from include/linux/sched.h:92,
                  from arch/ia64/kernel/asm-offsets.c:9:
  include/linux/llist.h:59:25: error: asm/cmpxchg.h: No such file or directory
  make[1]: *** [arch/ia64/kernel/asm-offsets.s] Error 1

Right now we don't seem to need any actual contents for the
asm/cmpxchg.h to make the build work ...  so leave the migration of
xchg() and cmpxchg() to this new header file for a future patch.

Also process.c needs <asm/switch_to.h> (for definition of pfm_syst_info).

Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-29 14:16:06 -07:00
Grant Likely
d4886bc670 irqdomain/powerpc: updated defconfigs for VIRQ_DEBUG rename
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-03-29 14:31:20 -06:00
Grant Likely
092b2fb076 irqdomain: Remove powerpc dependency from debugfs file
The debugfs code is really generic for all platforms.  This patch removes the
powerpc-specific directory reference and makes it available to all
architectures.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-03-29 14:31:02 -06:00
Olof Johansson
a92e7023ca Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren:
"This contains the updated gpio_to_irq patches from Tarun, and a trivial
build fix from Govindraj to #include <asm/system_misc.h> in pm.c.
The DSI mux patch is the same."

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: pm: fix compilation break
  ARM: OMAP: Remove OMAP_GPIO_IRQ macro definition
  drivers: input: Fix OMAP_GPIO_IRQ with gpio_to_irq() in ams_delta_serio_exit()
  ARM: OMAP: boards: Fix OMAP_GPIO_IRQ usage with gpio_to_irq()
  ARM: OMAP2+: Remove __init from DSI mux functions
2012-03-29 12:25:23 -07:00
Olof Johansson
a99ab88815 Merge branch 'for-3.4/fixes-for-rc1-and-v3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into fixes
* 'for-3.4/fixes-for-rc1-and-v3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra: Fix device tree AUXDATA for USB/EHCI
2012-03-29 11:00:56 -07:00
Roland Stigge
714daf73d0 ARM: LPC32xx: clock.c: Fix lpc-eth clock reference
During a complex merge for v3.4, one line of the commit
c20b909be9 ("ARM: LPC32xx: Ethernet support") was
reverted wrongly ("lpc-eth.0" -> "lpc-net.0") while the other conflicts were
merged correctly. This patch re-applies the clock name "lpc-eth.0".

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-03-29 10:58:14 -07:00
Tony Lindgren
2533c2cfbf Merge branch 'fixes-gpio-to-irq' into fixes
Conflicts:
	arch/arm/mach-omap1/board-htcherald.c
	arch/arm/mach-omap2/board-rx51-peripherals.c
	arch/arm/plat-omap/include/plat/gpio.h
	drivers/input/serio/ams_delta_serio.c
2012-03-29 10:16:04 -07:00
Tony Lindgren
a2cb960f17 Merge branch 'fix-dss-mux' into fixes 2012-03-29 10:05:37 -07:00
Govindraj.R
335aece5c5 ARM: OMAP: pm: fix compilation break
Fix the compilation break observed on latest mainline caused
by 9f97da78 (Disintegrate asm/system.h for ARM):

arch/arm/mach-omap1/pm.c: In function 'omap_pm_prepare':
arch/arm/mach-omap1/pm.c:587: error: implicit declaration of function 'disable_hlt'
arch/arm/mach-omap1/pm.c: In function 'omap_pm_finish':
arch/arm/mach-omap1/pm.c:624: error: implicit declaration of function 'enable_hlt'
arch/arm/mach-omap1/pm.c: In function 'omap_pm_init':
arch/arm/mach-omap1/pm.c:681: error: 'arm_pm_idle' undeclared (first use in this function)
...

arch/arm/mach-omap2/pm.c: In function 'omap_pm_begin':
arch/arm/mach-omap2/pm.c:239: error: implicit declaration of function 'disable_hlt'
arch/arm/mach-omap2/pm.c: In function 'omap_pm_end':
arch/arm/mach-omap2/pm.c:247: error: implicit declaration of function 'enable_hlt'

Signed-off-by: Govindraj.R <govindraj.raja@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
[tony@atomide.com: updated to fix omap1 too]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-03-29 10:05:02 -07:00
Tarun Kanti DebBarma
21235bdb8a ARM: OMAP: Remove OMAP_GPIO_IRQ macro definition
Since all references to OMAP_GPIO_IRQ macro are replaced now
with gpio_to_irq(), this can be removed altogether.

Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-03-29 08:41:02 -07:00
Tarun Kanti DebBarma
46a0a5402f ARM: OMAP: boards: Fix OMAP_GPIO_IRQ usage with gpio_to_irq()
The following commits change gpio-omap to use dynamic
IRQ allocation:

25db711 gpio/omap: Fix IRQ handling for SPARSE_IRQ
384ebe1 gpio/omap: Add DT support to GPIO driver

With dynamic allocation of IRQ the usage of OMAP_GPIO_IRQ
is no longer valid. We must be using gpio_to_irq() instead.

Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-03-29 08:41:01 -07:00
Liu, Chuansheng
99dd5497e5 x86: Preserve lazy irq disable semantics in fixup_irqs()
The default irq_disable() sematics are to mark the interrupt disabled,
but keep it unmasked. If the interrupt is delivered while marked
disabled, the low level interrupt handler masks it and marks it
pending. This is important for detecting wakeup interrupts during
suspend and for edge type interrupts to avoid losing interrupts.

fixup_irqs() moves the interrupts away from an offlined cpu. For
certain interrupt types it needs to mask the interrupt line before
changing the affinity. After affinity has changed the interrupt line
is unmasked again, but only if it is not marked disabled.

This breaks the lazy irq disable semantics and causes problems in
suspend as the interrupt can be lost or wakeup functionality is
broken.

Check irqd_irq_masked() instead of irqd_irq_disabled() because
irqd_irq_masked() is only set, when the core code actually masked the
interrupt line. If it's not set, we unmask the interrupt and let the
lazy irq disable logic deal with an eventually incoming interrupt.

[ tglx: Massaged changelog and added a comment ]

Signed-off-by: liu chuansheng <chuansheng.liu@intel.com>
Cc: Yanmin Zhang <yanmin_zhang@linux.intel.com>
Link: http://lkml.kernel.org/r/27240C0AC20F114CBF8149A2696CBE4A05DFB3@SHSMSX101.ccr.corp.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2012-03-29 15:28:47 +02:00
Dave Liu
fa1b42b45a powerpc/qe: Update the SNUM table for MPC8569 Rev2.0
The MPC8569 Rev2.0 has the correct SNUM table as QE Reference Manual, we
must follow it.

However the Rev1.0 silicon need the old SNUM table as workaround due to
Rev1.0 silicon SNUM erratum.

So, we support both snum table, and choose the one FDT tell us.
And u-boot will fixup FDT according to SPRN_SVR.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2012-03-29 08:14:16 -05:00
Diana CRACIUN
8a57d73400 powerpc/dts: Removed fsl,msi property from dts.
The association in the decice tree between PCI and MSI
using fsl,msi property was an artificial one and it does
not reflect the actual hardware.

Signed-off-by: Diana CRACIUN <Diana.Craciun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2012-03-29 08:14:15 -05:00
Timur Tabi
3b588c7efc powerpc/epapr: add "memory" as a clobber to all hypercalls
The "memory" clobber tells the compiler to ensure that all writes to memory
are committed before the hypercall is made.

"memory" is only necessary for hcalls where the Hypervisor will read or
write guest memory. However, we add it to all hcalls because the impact is
minimal, and we want to ensure that it's present for the hcalls that need
it.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2012-03-29 08:14:14 -05:00
Shaveta Leekha
2a78aeb107 powerpc/85xx: Enable I2C_CHARDEV and I2C_MPC options in defconfigs
Enable I2C char dev interface for user space testing of I2C controler.
Enable the I2C driver on 64-bit builds (corenet64_smp_defconfig) as it
was missing.

Signed-off-by: Shaveta Leekha <shaveta@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2012-03-29 08:14:13 -05:00
Jerry Huang
2fc1fc0338 powerpc/85xx: add the P1020UTM-PC DTS support
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2012-03-29 08:14:11 -05:00
Jerry Huang
72ea4d4886 powerpc/85xx: add the P1020MBG-PC DTS support
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2012-03-29 08:14:09 -05:00
Timur Tabi
9cb6abcb26 powerpc/8xxx: remove 85xx/86xx restrictions from fsl_guts.h
Remove the check for CONFIG_PPC_85xx and CONFIG_PPC_86xx from fsl_guts.h.
The check was originally intended to allow the same header file to
be used on 85xx and 86xx systems, even though the Global Utilities
register could be different.  It turns out that they're not actually
different, and so the check is not necessary.  In addition, neither
macro is defined for 64-bit e5500 kernels, so that causes a build
break.

Signed-off-by: Timur Tabi <timur@freescale.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2012-03-29 08:14:07 -05:00
Paul Mundt
b7e68d6876 sh: Support I/O space swapping where needed.
This adopts a trimmed down version of the MIPS port mangling interface
limited to the I/O swabbing for platforms that can't use little endian
accessors. For platforms with mixed I/O spaces involving PCI it will
still be necessary to enable byte swapping at the host controller level.
Attention needs to be paid to all of host controller endianness, CPU
endianness, and whether I/O accesses are explicitly swapped or not via
SWAP_IO_SPACE. Fortunately the platforms that need this are in the
minority.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-03-29 16:05:10 +09:00
Rusty Russell
5f054e31c6 documentation: remove references to cpu_*_map.
This has been obsolescent for a while, fix documentation and
misc comments.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-03-29 15:38:31 +10:30
Rusty Russell
0b5f9c005d remove references to cpu_*_map in arch/
This has been obsolescent for a while; time for the final push.

In adjacent context, replaced old cpus_* with cpumask_*.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: David S. Miller <davem@davemloft.net> (arch/sparc)
Acked-by: Chris Metcalf <cmetcalf@tilera.com> (arch/tile)
Cc: user-mode-linux-devel@lists.sourceforge.net
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: linux-hexagon@vger.kernel.org
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
Cc: sparclinux@vger.kernel.org
2012-03-29 15:38:30 +10:30
Linus Torvalds
b5174fa3a7 MMC highlights for 3.4:
Core:
  * Support for MMC 4.5 Data Tag feature -- we tag REQ_META, so devices
    that support Data Tag will provide increased throughput for metadata.
  * Faster detection of card removal on I/O errors.
 
 Drivers:
  * dw_mmc now supports eMMC Power Off Notify, has PCI support, and
    implements pre_req and post_req for asynchronous requests.
  * omap_hsmmc now supports device tree.
  * esdhc now has power management support.
  * sdhci-tegra now supports Tegra30 devices.
  * sdhci-spear now supports hibernation.
  * tmio_mmc now supports using a GPIO for card detection.
  * Intel PCH now supports 8-bit bus transfers.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABAgAGBQJPcejzAAoJEHNBYZ7TNxYM1eEQALs8LAoHcp9vdG2Uttz65HQL
 ISavfZIVTiLO22ugg5NKXdAOSAv0xdIeuUdpsxRr3W7j27OP41KLq1V7U+Mvnzm0
 VG+99J4kdrpgIe+ogvq9IHsnCQZ8ERSzTd2My+O1l9O0jYAAJ2mnsyljlMnaCFS4
 lac4/1wlGpogz8UXCEL54V1LJFWW2YWJ6wrjcsu4gaJMyAFk83rbUP1XnlZJOZL2
 Z8e8AHh30tJ+dWOGUJRzdRhy6R1pMNabiUP/U+m9pvcTNdGYYbSGDKvmVmSzQOLH
 VtD7wzfQysj1ReVr2zyhkMif/el/F80JesRrAE7xS2IYJvhj5RmADQY8fE+KKFD9
 n+6UkfHbI+ikRZgyeivqlnGC2j2YZ1DqxnptbfBuMPuvAliE6JjQuNunCo0jyl6o
 +uZ8f84Dq3mZ/6ldb7vKbwvNZXVzUNlB4thH1MqWXDDXb1YUS5jXO7jBRhgvhLXg
 Wb9Pbi92QMArrq8c0Ch1Yy0ufZZEJ2wTh2Sp2vBqvVEEZ7X3R3GUFGmsCqwS9Ew1
 NSSMsc+ANNKY3/qDC7vyyCIuYVqTrZmi0Zr/IcTCGy0YcFJiK5bblJeL9l1kYOyo
 3KPno/ZkC+qZSHGCab9RvRWemqdAgTwdxch+BalXLVt4NhRGNIMeBOVNSMsbeP9e
 aA33LGNp258Jdphmv0NE
 =T4T+
 -----END PGP SIGNATURE-----

Merge tag 'mmc-merge-for-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc

Pull MMC updates from Chris Ball:

Core:
 * Support for MMC 4.5 Data Tag feature -- we tag REQ_META, so devices
   that support Data Tag will provide increased throughput for metadata.
 * Faster detection of card removal on I/O errors.

Drivers:
 * dw_mmc now supports eMMC Power Off Notify, has PCI support, and
   implements pre_req and post_req for asynchronous requests.
 * omap_hsmmc now supports device tree.
 * esdhc now has power management support.
 * sdhci-tegra now supports Tegra30 devices.
 * sdhci-spear now supports hibernation.
 * tmio_mmc now supports using a GPIO for card detection.
 * Intel PCH now supports 8-bit bus transfers.

* tag 'mmc-merge-for-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (53 commits)
  mmc: sh_mmcif: simplify bitmask macros
  mmc: sh_mobile_sdhi: support modular mmc-core with non-standard hotplug
  mmc: sh_mobile_sdhi: add a callback for board specific init code
  mmc: tmio: cosmetic: prettify the tmio_mmc_set_ios() function
  mmc: sh_mobile_sdhi: do not manage PM clocks manually
  mmc: tmio_mmc: remove unused sdio_irq_enabled flag
  mmc: tmio_mmc: power status flag doesn't have to be exposed in platform data
  mmc: sh_mobile_sdhi: pass card hotplug GPIO number to TMIO MMC
  mmc: tmio_mmc: support the generic MMC GPIO card hotplug helper
  mmc: tmio: calculate the native hotplug condition only once
  mmc: simplify mmc_cd_gpio_request() by removing two parameters
  mmc: sdhci-pci: allow 8-bit bus width for Intel PCH
  mmc: sdhci: check interrupt flags in ISR again
  mmc: sdhci-pci: Add MSI support
  mmc: core: warn when card doesn't support HPI
  mmc: davinci: Poll status for small size transfers
  mmc: davinci: Eliminate spurious interrupts
  mmc: omap_hsmmc: Avoid a regulator voltage change with dt
  mmc: omap_hsmmc: Convert hsmmc driver to use device tree
  mmc: sdhci-pci: add SDHCI_QUIRK2_HOST_OFF_CARD_ON for Medfield SDIO
  ...
2012-03-28 20:59:45 -07:00
Linus Torvalds
532bfc851a Merge branch 'akpm' (Andrew's patch-bomb)
Merge third batch of patches from Andrew Morton:
 - Some MM stragglers
 - core SMP library cleanups (on_each_cpu_mask)
 - Some IPI optimisations
 - kexec
 - kdump
 - IPMI
 - the radix-tree iterator work
 - various other misc bits.

 "That'll do for -rc1.  I still have ~10 patches for 3.4, will send
  those along when they've baked a little more."

* emailed from Andrew Morton <akpm@linux-foundation.org>: (35 commits)
  backlight: fix typo in tosa_lcd.c
  crc32: add help text for the algorithm select option
  mm: move hugepage test examples to tools/testing/selftests/vm
  mm: move slabinfo.c to tools/vm
  mm: move page-types.c from Documentation to tools/vm
  selftests/Makefile: make `run_tests' depend on `all'
  selftests: launch individual selftests from the main Makefile
  radix-tree: use iterators in find_get_pages* functions
  radix-tree: rewrite gang lookup using iterator
  radix-tree: introduce bit-optimized iterator
  fs/proc/namespaces.c: prevent crash when ns_entries[] is empty
  nbd: rename the nbd_device variable from lo to nbd
  pidns: add reboot_pid_ns() to handle the reboot syscall
  sysctl: use bitmap library functions
  ipmi: use locks on watchdog timeout set on reboot
  ipmi: simplify locking
  ipmi: fix message handling during panics
  ipmi: use a tasklet for handling received messages
  ipmi: increase KCS timeouts
  ipmi: decrease the IPMI message transaction time in interrupt mode
  ...
2012-03-28 17:19:28 -07:00
Dave Young
09c71bfd83 kdump x86: fix total mem size calculation for reservation
crashkernel reservation need know the total memory size.  Current
get_total_mem simply use max_pfn - min_low_pfn.  It is wrong because it
will including memory holes in the middle.

Especially for kvm guest with memory > 0xe0000000, there's below in qemu
code: qemu split memory as below:

    if (ram_size >= 0xe0000000 ) {
        above_4g_mem_size = ram_size - 0xe0000000;
        below_4g_mem_size = 0xe0000000;
    } else {
        below_4g_mem_size = ram_size;
    }

So for 4G mem guest, seabios will insert a 512M usable region beyond of
4G.  Thus in above case max_pfn - min_low_pfn will be more than original
memsize.

Fixing this issue by using memblock_phys_mem_size() to get the total
memsize.

Signed-off-by: Dave Young <dyoung@redhat.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-28 17:14:36 -07:00
Srivatsa S. Bhat
7d7f98488b arch/ia64: remove references to cpu_*_map
This was marked as obsolete for quite a while now..  Now it is time to
remove it altogether.  And while doing this, get rid of first_cpu() as
well.  Also, remove the redundant setting of cpu_online_mask in
smp_prepare_cpus() because the generic code would have already set cpu 0
in cpu_online_mask.

Reported-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-28 17:14:36 -07:00
Gilad Ben-Yossef
3fc498f165 smp: introduce a generic on_each_cpu_mask() function
We have lots of infrastructure in place to partition multi-core systems
such that we have a group of CPUs that are dedicated to specific task:
cgroups, scheduler and interrupt affinity, and cpuisol= boot parameter.
Still, kernel code will at times interrupt all CPUs in the system via IPIs
for various needs.  These IPIs are useful and cannot be avoided
altogether, but in certain cases it is possible to interrupt only specific
CPUs that have useful work to do and not the entire system.

This patch set, inspired by discussions with Peter Zijlstra and Frederic
Weisbecker when testing the nohz task patch set, is a first stab at trying
to explore doing this by locating the places where such global IPI calls
are being made and turning the global IPI into an IPI for a specific group
of CPUs.  The purpose of the patch set is to get feedback if this is the
right way to go for dealing with this issue and indeed, if the issue is
even worth dealing with at all.  Based on the feedback from this patch set
I plan to offer further patches that address similar issue in other code
paths.

This patch creates an on_each_cpu_mask() and on_each_cpu_cond()
infrastructure API (the former derived from existing arch specific
versions in Tile and Arm) and uses them to turn several global IPI
invocation to per CPU group invocations.

Core kernel:

on_each_cpu_mask() calls a function on processors specified by cpumask,
which may or may not include the local processor.

You must not call this function with disabled interrupts or from a
hardware interrupt handler or from a bottom half handler.

arch/arm:

Note that the generic version is a little different then the Arm one:

1. It has the mask as first parameter
2. It calls the function on the calling CPU with interrupts disabled,
   but this should be OK since the function is called on the other CPUs
   with interrupts disabled anyway.

arch/tile:

The API is the same as the tile private one, but the generic version
also calls the function on the with interrupts disabled in UP case

This is OK since the function is called on the other CPUs
with interrupts disabled.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Reviewed-by: Christoph Lameter <cl@linux.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Sasha Levin <levinsasha928@gmail.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Avi Kivity <avi@redhat.com>
Acked-by: Michal Nazarewicz <mina86@mina86.org>
Cc: Kosaki Motohiro <kosaki.motohiro@gmail.com>
Cc: Milton Miller <miltonm@bga.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-28 17:14:35 -07:00
Matt Fleming
5e047fa159 sh: use set_current_blocked() and block_sigmask()
As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block is
pending in the shared queue.

Also, use the new helper function introduced in commit 5e6292c0f2
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures.  In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.

Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-03-29 09:11:26 +09:00
Matt Fleming
8368b0e0ca sh: no need to reset handler if SA_ONESHOT
get_signal_to_deliver() already resets the signal handler if SA_ONESHOT is
set in ka->sa.sa_flags, there's no need to do it again in handle_signal().
 Furthermore, because we were modifying ka->sa.sa_handler (which is a copy
of sighand->action[]) instead of sighand->action[] the original code had
no effect on signal delivery.

Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-03-29 09:11:24 +09:00
Linus Torvalds
0195c00244 Disintegrate and delete asm/system.h
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.12 (GNU/Linux)
 
 iQIVAwUAT3NKzROxKuMESys7AQKElw/+JyDxJSlj+g+nymkx8IVVuU8CsEwNLgRk
 8KEnRfLhGtkXFLSJYWO6jzGo16F8Uqli1PdMFte/wagSv0285/HZaKlkkBVHdJ/m
 u40oSjgT013bBh6MQ0Oaf8pFezFUiQB5zPOA9QGaLVGDLXCmgqUgd7exaD5wRIwB
 ZmyItjZeAVnDfk1R+ZiNYytHAi8A5wSB+eFDCIQYgyulA1Igd1UnRtx+dRKbvc/m
 rWQ6KWbZHIdvP1ksd8wHHkrlUD2pEeJ8glJLsZUhMm/5oMf/8RmOCvmo8rvE/qwl
 eDQ1h4cGYlfjobxXZMHqAN9m7Jg2bI946HZjdb7/7oCeO6VW3FwPZ/Ic75p+wp45
 HXJTItufERYk6QxShiOKvA+QexnYwY0IT5oRP4DrhdVB/X9cl2MoaZHC+RbYLQy+
 /5VNZKi38iK4F9AbFamS7kd0i5QszA/ZzEzKZ6VMuOp3W/fagpn4ZJT1LIA3m4A9
 Q0cj24mqeyCfjysu0TMbPtaN+Yjeu1o1OFRvM8XffbZsp5bNzuTDEvviJ2NXw4vK
 4qUHulhYSEWcu9YgAZXvEWDEM78FXCkg2v/CrZXH5tyc95kUkMPcgG+QZBB5wElR
 FaOKpiC/BuNIGEf02IZQ4nfDxE90QwnDeoYeV+FvNj9UEOopJ5z5bMPoTHxm4cCD
 NypQthI85pc=
 =G9mT
 -----END PGP SIGNATURE-----

Merge tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system

Pull "Disintegrate and delete asm/system.h" from David Howells:
 "Here are a bunch of patches to disintegrate asm/system.h into a set of
  separate bits to relieve the problem of circular inclusion
  dependencies.

  I've built all the working defconfigs from all the arches that I can
  and made sure that they don't break.

  The reason for these patches is that I recently encountered a circular
  dependency problem that came about when I produced some patches to
  optimise get_order() by rewriting it to use ilog2().

  This uses bitops - and on the SH arch asm/bitops.h drags in
  asm-generic/get_order.h by a circuituous route involving asm/system.h.

  The main difficulty seems to be asm/system.h.  It holds a number of
  low level bits with no/few dependencies that are commonly used (eg.
  memory barriers) and a number of bits with more dependencies that
  aren't used in many places (eg.  switch_to()).

  These patches break asm/system.h up into the following core pieces:

    (1) asm/barrier.h

        Move memory barriers here.  This already done for MIPS and Alpha.

    (2) asm/switch_to.h

        Move switch_to() and related stuff here.

    (3) asm/exec.h

        Move arch_align_stack() here.  Other process execution related bits
        could perhaps go here from asm/processor.h.

    (4) asm/cmpxchg.h

        Move xchg() and cmpxchg() here as they're full word atomic ops and
        frequently used by atomic_xchg() and atomic_cmpxchg().

    (5) asm/bug.h

        Move die() and related bits.

    (6) asm/auxvec.h

        Move AT_VECTOR_SIZE_ARCH here.

  Other arch headers are created as needed on a per-arch basis."

Fixed up some conflicts from other header file cleanups and moving code
around that has happened in the meantime, so David's testing is somewhat
weakened by that.  We'll find out anything that got broken and fix it..

* tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system: (38 commits)
  Delete all instances of asm/system.h
  Remove all #inclusions of asm/system.h
  Add #includes needed to permit the removal of asm/system.h
  Move all declarations of free_initmem() to linux/mm.h
  Disintegrate asm/system.h for OpenRISC
  Split arch_align_stack() out from asm-generic/system.h
  Split the switch_to() wrapper out of asm-generic/system.h
  Move the asm-generic/system.h xchg() implementation to asm-generic/cmpxchg.h
  Create asm-generic/barrier.h
  Make asm-generic/cmpxchg.h #include asm-generic/cmpxchg-local.h
  Disintegrate asm/system.h for Xtensa
  Disintegrate asm/system.h for Unicore32 [based on ver #3, changed by gxt]
  Disintegrate asm/system.h for Tile
  Disintegrate asm/system.h for Sparc
  Disintegrate asm/system.h for SH
  Disintegrate asm/system.h for Score
  Disintegrate asm/system.h for S390
  Disintegrate asm/system.h for PowerPC
  Disintegrate asm/system.h for PA-RISC
  Disintegrate asm/system.h for MN10300
  ...
2012-03-28 15:58:21 -07:00
Linus Torvalds
47b816ff7d Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull a few more things for powerpc by Benjamin Herrenschmidt:
 - Anton's did some recent improvements to EPOW event reporting on
   pSeries (power supply failures and such).  The patches are self
   contained enough and replace really nasty code so I felt it should
   still go in
 - I did the vio driver registration change Greg requested, I don't see
   the point of leaving that til the next merge window
 - The remaining EEH changes I said were still pending to get rid of the
   EEH references from the generic struct device_node
 - A few more iSeries removal bits
 - A perf bug fix on 970

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/perf: Fix instruction address sampling on 970 and Power4
  powerpc+sparc/vio: Modernize driver registration
  powerpc: Random little legacy iSeries removal tidy ups
  powerpc: Remove NO_IRQ_IGNORE
  powerpc/pseries: Cut down on enthusiastic use of defines in RAS code
  powerpc/pseries: Clean up ras_error_interrupt code
  powerpc/pseries: Remove RTAS_POWERMGM_EVENTS
  powerpc/pseries: Use rtas_get_sensor in RAS code
  powerpc/pseries: Parse and handle EPOW interrupts
  powerpc: Make function that parses RTAS error logs global
  powerpc/eeh: Retrieve PHB from global list
  powerpc/eeh: Remove eeh information from pci_dn
  powerpc/eeh: Remove eeh device from OF node
2012-03-28 14:41:36 -07:00
Linus Torvalds
2e7580b0e7 Merge branch 'kvm-updates/3.4' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Avi Kivity:
 "Changes include timekeeping improvements, support for assigning host
  PCI devices that share interrupt lines, s390 user-controlled guests, a
  large ppc update, and random fixes."

This is with the sign-off's fixed, hopefully next merge window we won't
have rebased commits.

* 'kvm-updates/3.4' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (130 commits)
  KVM: Convert intx_mask_lock to spin lock
  KVM: x86: fix kvm_write_tsc() TSC matching thinko
  x86: kvmclock: abstract save/restore sched_clock_state
  KVM: nVMX: Fix erroneous exception bitmap check
  KVM: Ignore the writes to MSR_K7_HWCR(3)
  KVM: MMU: make use of ->root_level in reset_rsvds_bits_mask
  KVM: PMU: add proper support for fixed counter 2
  KVM: PMU: Fix raw event check
  KVM: PMU: warn when pin control is set in eventsel msr
  KVM: VMX: Fix delayed load of shared MSRs
  KVM: use correct tlbs dirty type in cmpxchg
  KVM: Allow host IRQ sharing for assigned PCI 2.3 devices
  KVM: Ensure all vcpus are consistent with in-kernel irqchip settings
  KVM: x86 emulator: Allow PM/VM86 switch during task switch
  KVM: SVM: Fix CPL updates
  KVM: x86 emulator: VM86 segments must have DPL 3
  KVM: x86 emulator: Fix task switch privilege checks
  arch/powerpc/kvm/book3s_hv.c: included linux/sched.h twice
  KVM: x86 emulator: correctly mask pmc index bits in RDPMC instruction emulation
  KVM: mmu_notifier: Flush TLBs before releasing mmu_lock
  ...
2012-03-28 14:35:31 -07:00
Linus Torvalds
d25413efa9 Merge git://github.com/rustyrussell/linux
Pull module and param updates from Rusty Russell:
 "I'm getting married next week, and then honeymoon until 6th May.  I'll
  be offline from next week, except to post the compulsory pictures if
  Alex shaves her head..."

I'm sure Rusty can take time off from his honeymoon if something comes
up. And here's the explanation about head shaving:

	http://baldalex.org/

in case you wondered and wanted to support another insane caper or
Rusty's involving shaving.

What *is* it with Rusty and shaving, anyway?

* git://github.com/rustyrussell/linux:
  module: Remove module size limit
  module: move __module_get and try_module_get() out of line.
  params: <level>_initcall-like kernel parameters
  module_param: remove support for bool parameters which are really int.
  module: add kernel param to force disable module load
2012-03-28 14:27:09 -07:00
Linus Torvalds
61e5191c9d Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86
Pull x86 platform driver updates from Matthew Garrett:
 "Some significant updates to samsung-laptop, additional hardware
  support for Toshibas, misc updates to various hardware and a new
  backlight driver for some Apple machines."

Fix up trivial conflicts: geode Geos update happening next to net5501
support, and MSIC thermal platform support added twice.

* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (77 commits)
  acer-wmi: add quirk table for video backlight vendor mode
  drivers/platform/x86/amilo-rfkill.c::amilo_rfkill_probe() avoid NULL deref
  samsung-laptop: unregister ACPI video module for some well known laptops
  acer-wmi: No wifi rfkill on Sony machines
  thinkpad-acpi: recognize Lenovo as version string in newer V-series BIOS
  asus-wmi: don't update power and brightness when using scalar
  eeepc-wmi: split et2012 specific hacks
  eeepc-wmi: refine quirks handling
  asus-nb-wmi: set panel_power correctly
  asus-wmi: move WAPF variable into quirks_entry
  asus-wmi: store backlight power status for AIO machine
  asus-wmi: add scalar board brightness adj. support
  samsung-laptop: cleanup return type: mode_t vs umode_t
  drivers, samsung-laptop: fix usage of isalnum
  drivers, samsung-laptop: fix initialization of sabi_data in sabi_set_commandb
  asus-wmi: on/off bit is not set when reading the value
  eeepc-wmi: add extra keymaps for EP121
  asus-nb-wmi: ignore useless keys
  acer-wmi: support Lenovo ideapad S205 Brazos wifi switch
  acer-wmi: fix out of input parameter size when set
  ...
2012-03-28 14:20:23 -07:00
Linus Torvalds
7bf97e1d5a GPIO changes for v3.4
Primarily gpio device driver changes with some minor side effects
 under arch/arm and arch/x86.  Also includes a few core changes such as
 explicitly supporting (electrical) open source and open drain outputs
 and some help for parsing gpio devicetree properties.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABAgAGBQJPcWQxAAoJEEFnBt12D9kB4NEQAKzyQFFyX/1ZGZaKH12OtcSf
 DSQg/2lx9MIOISYYjsq6cQQGeUnlvaFxYkKkS+P4U6aNqw6xRaEtFhef6mVTWeFL
 PNi81hXIkyzza9/lZkoK4IBSk09JBeJu+5t9BwGQnM4Yg2POqqOf+vICWF0iN6mt
 TtNXJb6vqHiveMsUIRP8AdZzVpSztVo5//wAri7om77Qm+3aJiptt65zz0ghKRT8
 Tzb61miqUS7XS3NdUYq8pTsh8J1E8rrRch5jJWsY/AmVr0Dhajv5ouOiyp43EpHZ
 mTNP90zglT3c+CTfRIb9oALfjPA5O+3ncSyBSB4qOX1nLcKyFvheg5uozyx7NSNJ
 Pw4M8fCnKXN20sCbHQB0bTF0ETW5fuMAiKhGCU+4GpsIKelZKqRcWS7Dho8RquW+
 YLuDXJWVut4HyyvrPFJxPs1IuOYCKJ2pGqDEzznEPgkVSxX4vedGE1MzKtj+aHFH
 oZuZLOa+WQcyGLkW1BRsJxTht5i1paE5D9bXZfLkOgDMmFMBZ/oe6mLj26WCb3UL
 lhxoAgFUKKe1+YBzkLISRf09L0rdhzEjs59ryK/ZVOuizH2+STKvH3jNSxuroAnN
 ZCuomdofKNY/2pv3q3pAwm3G20l0qMwAqAVqYjF09m/jfDhcquHS5UoTvMG5WZqv
 TGUh/kfetnPB07F0CLGQ
 =BSW8
 -----END PGP SIGNATURE-----

Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull GPIO changes for v3.4 from Grant Likely:
 "Primarily gpio device driver changes with some minor side effects
  under arch/arm and arch/x86.  Also includes a few core changes such as
  explicitly supporting (electrical) open source and open drain outputs
  and some help for parsing gpio devicetree properties."

Fix up context conflict due to Laxman Dewangan adding sleep control for
the tps65910 driver separately for gpio's and regulators.

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (34 commits)
  gpio/ep93xx: Remove unused inline function and useless pr_err message
  gpio/sodaville: Mark broken due to core irqdomain migration
  gpio/omap: fix redundant decoding of gpio offset
  gpio/omap: fix incorrect update to context.irqenable1
  gpio/omap: fix incorrect context restore logic in omap_gpio_runtime_*
  gpio/omap: fix missing dataout context save in _set_gpio_dataout_reg
  gpio/omap: fix _set_gpio_irqenable implementation
  gpio/omap: fix trigger type to unsigned
  gpio/omap: fix wakeup_en register update in _set_gpio_wakeup()
  gpio: tegra: tegra_gpio_config shouldn't be __init
  gpio/davinci: fix enabling unbanked GPIO IRQs
  gpio/davinci: fix oops on unbanked gpio irq request
  gpio/omap: Fix section warning for omap_mpuio_alloc_gc()
  ARM: tegra: export tegra_gpio_{en,dis}able
  gpio/gpio-stmpe: Fix the value returned by _get_value routine
  Documentation/gpio.txt: Explain expected pinctrl interaction
  GPIO: LPC32xx: Add output reading to GPO P3
  GPIO: LPC32xx: Fix missing bit selection mask
  gpio/omap: fix wakeups on level-triggered GPIOs
  gpio/omap: Fix IRQ handling for SPARSE_IRQ
  ...
2012-03-28 14:08:46 -07:00
Linus Torvalds
30304e5a79 MFD changes for 3.4
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABAgAGBQJPcXgCAAoJEIqAPN1PVmxKh2oP/2Ns+dr4oOF8z+uqYG1oisJd
 CxBTC1Bi9gYBtpiMztPiHZWiQtVXoDgLbLkx6ooWH5dpwCdvU6TVBZUJp4wpELtx
 mMk5vJy4/INHgI0nk5wUOr76rNlQfIcK04f+LHBSG1iljUkoVR3FefVKgoyIP+Wv
 oiCeuCyQcYIUmG1pVt1x43OoS+2xgjWQA67AalLLRj1DOA5OkvUL7NGsrZ1iZTUh
 YHQJsK6ER3MgbFFEImtn10NNFwAEG04o6vi42DFW1O0awm6kmVoLjo46wS+UiKoh
 Vx8t5ZGvlYOZ1ZM9N5ETgQnihBt7cOhA3ivZar8h+WiYVTRJs1ZSkpmnlpmM4YY9
 RCZ5DRw3N39R0ezkNVGSr1Xn1vkysIiZI82frrJiPUYLKihsrBzj2Jq3O25iILCf
 Iyv7HBEJxAb3x0zlF6kPhaA8OW4dssaHTLNx5IJSOKwiwVLdm4RPyOHh9QVz++p/
 p0hvSQWK1MUruBbBrjF/FN+FidgK2iU0iDW/GoDwI7OKymSxg7sauLtp0cZpo6nT
 F+Ep6yl/uR5vxih4LSYFJOjoeKuwIo/x92H0qJ3UroaUs9DNJ7UCKchXXiQ1Wtnz
 tAAsWP1YsMxMzlMxqW5J9w4LJynJ8bqrC0L8+HWzIUwikA8wv8/47Pmc/vPW0Y3N
 5L7KMS8/iFCsS8rPmGeP
 =onDl
 -----END PGP SIGNATURE-----

Merge tag 'mfd_3.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFD changes from Samuel Ortiz:
 - 4 new drivers: Freescale i.MX on-chip Anatop, Ricoh's RC5T583 and
   TI's TPS65090 and TPS65217.
 - New variants support (8420, 8520 ab9540), cleanups and bug fixes for
   the abx500 and db8500 ST-E chipsets.
 - Some minor fixes and update for the wm8994 from Mark.
 - The beginning of a long term TWL cleanup effort coming from the TI
   folks.
 - Various fixes and cleanups for the s5m, TPS659xx, pm860x, and MAX8997
   drivers.

Fix up trivial conflicts due to duplicate patches and header file
cleanups (<linux/device.h> removal etc).

* tag 'mfd_3.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (97 commits)
  gpio/twl: Add DT support to gpio-twl4030 driver
  gpio/twl: Allocate irq_desc dynamically for SPARSE_IRQ support
  mfd: Detach twl6040 from the pmic mfd driver
  mfd: Replace twl-* pr_ macros by the dev_ equivalent and do various cleanups
  mfd: Micro-optimization on twl4030 IRQ handler
  mfd: Make twl4030 SIH SPARSE_IRQ capable
  mfd: Move twl-core IRQ allocation into twl[4030|6030]-irq files
  mfd: Remove references already defineid in header file from twl-core
  mfd: Remove unneeded header from twl-core
  mfd: Make twl-core not depend on pdata->irq_base/end
  ARM: OMAP2+: board-omap4-*: Do not use anymore TWL6030_IRQ_BASE in board files
  mfd: Return twl6030_mmc_card_detect IRQ for board setup
  Revert "mfd: Add platform data for MAX8997 haptic driver"
  mfd: Add support for TPS65090
  mfd: Add some da9052-i2c section annotations
  mfd: Build rtc5t583 only if I2C config is selected to y.
  mfd: Add anatop mfd driver
  mfd: Fix compilation error in tps65910.h
  mfd: Add 8420 variant to db8500-prcmu
  mfd: Add 8520 PRCMU variant to db8500-prcmu
  ...
2012-03-28 13:56:35 -07:00
Linus Torvalds
09893ee845 ARM: More device tree support updates
This branch contains a number of updates for device tree support on
 several ARM platforms, in particular:
 
 * AT91 continues the device tree conversion adding support for a number of
   on-chip drivers and other functionality
 * ux500 adds probing of some of the core SoC blocks through device tree
 * Initial device tree support for ST SPEAr600 platforms
 * kirkwood continues the conversion to device-tree probing
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABAgAGBQJPcp12AAoJEIwa5zzehBx3c2oQAKkHhJFxYFaUSfAqUNQJtyLP
 ntNyjANchckGcmoGFRRn5q17leSW+GsPopeJF0uTSOq5xojrQJJnrfKCQmgTtdzt
 KiD9qJqF3bsM5PxdjkeQljiAirPZSKvyA6gZaPKozZb+NMk3ZMd3hYYi3j3EWR/c
 8C9HzwyuXUOKOQ1tHuQHEYnLAtcdVTpUnDGsQItD2Shw5H+AcoN1T00z6kWtXYoJ
 z/sFtBVvPxqozEEWbTEg2vm0XfT2ENlOIfHoOj+G2EfcVTjh4pSoD0TXwS11vjfX
 UEniGsdCSkQn0yKVuuLTNKy7BPkWXBUTxy6duIQMSs/57lgFEb9/+f5kgAol+Sdi
 OeUW4gYkZ8uAk2zOD4p1TGDZT/YHWQ2X3Wq2EhYNsYjZgbNCTlIIocet8jZ6Zfcm
 f7DdADS8ot8xFcZxMH7CFJ28cmEjhyGMSrMcrAq7HXrkX0ppFutF0CYkY/43uQ/h
 AGmP9wKi38PB1eXK44eAF25fRvT7ty7CiCBT88i8UZ3unj6raVbsGfqhvf5PbCki
 oX8dKFjPRRE4bj+8Si7LCTR00AIFMLxuftJw45L4syk+l6Y0y+b0HMBE3E/q7bbR
 dLBu3V/HHVMnuZv6vVgvI+dkZ9R6v2ychfoyKNh/AKvgXmr90diYbT0XAkcfSPk7
 +yy69EZA59UvLTxt9BmN
 =wiKV
 -----END PGP SIGNATURE-----

Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: More device tree support updates" from Olof Johansson:
 "This branch contains a number of updates for device tree support on
  several ARM platforms, in particular:

   * AT91 continues the device tree conversion adding support for a
     number of on-chip drivers and other functionality
   * ux500 adds probing of some of the core SoC blocks through device
     tree
   * Initial device tree support for ST SPEAr600 platforms
   * kirkwood continues the conversion to device-tree probing"

Manually merge arch/arm/mach-ux500/Kconfig due to MACH_U8500 rename, and
drivers/usb/gadget/at91_udc.c due to header file include cleanups.

Also do an "evil merge" for the MACH_U8500 config option rename that the
affected RMI4 touchscreen driver in staging.  It's called MACH_MOP500
now, and it was missed during previous merges.

* tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
  ARM: SPEAr600: Add device-tree support to SPEAr600 boards
  ARM: ux500: Provide local timer support for Device Tree
  ARM: ux500: Enable PL022 SSP Controller in Device Tree
  ARM: ux500: Enable PL310 Level 2 Cache Controller in Device Tree
  ARM: ux500: Enable PL011 AMBA UART Controller for Device Tree
  ARM: ux500: Enable Cortex-A9 GIC (Generic Interrupt Controller) in Device Tree
  ARM: ux500: db8500: list most devices in the snowball device tree
  ARM: ux500: split dts file for snowball into generic part
  ARM: ux500: combine the board init functions for DT boot
  ARM: ux500: Initial Device Tree support for Snowball
  ARM: ux500: CONFIG: Enable Device Tree support for future endeavours
  ARM: kirkwood: use devicetree for rtc-mv
  ARM: kirkwood: rtc-mv devicetree bindings
  ARM: kirkwood: fdt: define uart[01] as disabled, enable uart0
  ARM: kirkwood: fdt: facilitate new boards during fdt migration
  ARM: kirkwood: fdt: absorb kirkwood_init()
  ARM: kirkwood: fdt: use mrvl ticker symbol
  ARM: orion: wdt: use resource vice direct access
  ARM: Kirkwood: Remove tclk from kirkwood_asoc_platform_data.
  ARM: orion: spi: remove enable_clock_fix which is not used
  ...
2012-03-28 12:34:33 -07:00
Linus Torvalds
4bb2d1009f ARM: More SoC support updates
This branch contains a handful of updates of SoC base code that had
 dependencies on other external trees that have now been merged:
 
 * Support for the new EXYNOS5250 SoC from Samsung
 * SMP and power domain support for Tegra3 from NVIDIA
 * ux500 updates for exporting SoC information through sysfs
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABAgAGBQJPcpwnAAoJEIwa5zzehBx3RIQP/AvTVHF7EIXfu5XGLBYeKW+U
 HBeT1kO1qL8m3gA/+DG/JzNpd8JDlILGob6hUN4lqA8f49MBkmttdbATZvBj4Nx+
 T4+louPteiueexJdolj6hVCuNBhFJLgik3zMKGHvL8wbvqYHKpfqvuWWuzxtP3Hl
 F1BvFSrQ5TZALGtNiRWDMwxFa2oA03ZNXjy+v9i3GIdn1vH18/IDryz7/7MW6GPv
 NuKmZkcEpX2jDFe3AkqUMLxqMYizfuGg20FlV4tmxiF5Wlht6EiN38Y56LZgwuly
 mde6AWN8qgwTYDk4cJ5ZVJtwkowosF5ko57V3SPmVaVc/WajZ0v28gt9YgNLVPL7
 TXFEUJgIxzJnyM+DoSltzQ9tCsWUscQGmyPt4QSOLO2D76/3z+8+24/EwAIM/7Bj
 u5/+74k5jDBZe1suCt/1P1Vr3l5Z3os483R7y4BtyLtWtQvBcjpkITj9lHmnsAf3
 RqN2Z4osLcILwWVKa2y2DCOeJm0jvSCsn53+O3FGTSqhfwWTUVkqaDALeGXwJGbH
 2rMks18BqJ2sT2ruFXHiVvZOj/8XxkcLsq8ztnuYoHQssrNtAtBM97l/xi1V7L0z
 FmXnPszVA1mIkelsY2VDImEks/Iaad4o3Iuba9Yr3OKOSr/d8kLyB0reTmS/SHQL
 u/o8ch/V5QVEo/H+ud7K
 =X89H
 -----END PGP SIGNATURE-----

Merge tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: More SoC support updates" from Olof Johansson:
 "This branch contains a handful of updates of SoC base code that had
  dependencies on other external trees that have now been merged:

   * Support for the new EXYNOS5250 SoC from Samsung
   * SMP and power domain support for Tegra3 from NVIDIA
   * ux500 updates for exporting SoC information through sysfs"

Fix up trivial merge conflicts as per Olof.

* tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (30 commits)
  ARM: mach-shmobile: ap4evb: Reserve DMA memory for the frame buffer
  ARM: EXYNOS: Fix compilation error with mach-exynos4-dt board
  ARM: dts: add initial dts file for EXYNOS5250, SMDK5250
  ARM: EXYNOS: add support device tree enabled board file for EXYNOS5
  ARM: EXYNOS: add support ARCH_EXYNOS5 for EXYNOS5 SoCs
  ARM: EXYNOS: add support get_core_count() for EXYNOS5250
  ARM: EXYNOS: support EINT for EXYNOS4 and EXYNOS5
  ARM: EXYNOS: add interrupt definitions for EXYNOS5250
  ARM: EXYNOS: add support for EXYNOS5250 SoC
  ARM: EXYNOS: add support uart for EXYNOS4 and EXYNOS5
  ARM: EXYNOS: add initial setup-i2c0 for EXYNOS5
  ARM: EXYNOS: add clock part for EXYNOS5250 SoC
  ARM: EXYNOS: use exynos_init_uarts() instead of exynos4_init_uarts()
  ARM: EXYNOS: to declare static for mach-exynos/common.c
  ARM: EXYNOS: Add clkdev lookup entry for lcd clock
  ARM: dt: Explicitly configure all serial ports on Tegra Cardhu
  ARM: tegra: support for secondary cores on Tegra30
  ARM: tegra: support for Tegra30 CPU powerdomains
  ARM: tegra: add support for Tegra30 powerdomains
  ARM: tegra: export tegra_powergate_is_powered()
  ...
2012-03-28 12:24:40 -07:00
Linus Torvalds
ff877c498e ARM: More SoC driver updates
This branch contains a handful of driver updates, mostly to
 the LPC32xx platform but also for Samsung EXYNOS and Davinci.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABAgAGBQJPcpr7AAoJEIwa5zzehBx39KoQAIVpIRB+yNkaR8croYkNKKe2
 cYpvW1AOS1dSwPZyikRIHSHvgI2+bCr942GQklSBqdSZMC3XespI+0/Qx1UNsuLN
 oxE6LSjoWC1LvRQZB9yos4ASpRbZIFsrSbAKF6e6AVGswnguVzALsUG9PJ6427oK
 QjdMGyEqVEw1zDZdMv+Vkg1G+k5oAcXV7c1SsL4Ye6jNke1ZX9JY5LJoyJLspzL3
 g7+NDTjzvSVoeGJVQEXRXxE90kZi8PgYJzZekx91BHNZpcgJdfCTYdAJX2/4lZ6T
 Ai9mrZzU6ivaxejxPgp7nm33BR1vEOIsZr66KTEzfufKc9unGQpci6HyOPFHgHN6
 j7eEAJ1bz8m+jmWotLpnOAXJSe41uwAhRMHFUr7AwOUBxYO+Y2wqG5jhZI1krFoN
 Ib8NNVkjMAyqeiXJRZwxeBM+dAwqe/vFLUOOZWkpbWnj8RptCktui2rQ+4HjJCyg
 cJHwG24KbSx3cd924NpVgS1RnGj/ZXZeub25zvqACoDShu7+zin7UNZW1BerJr3u
 Hs6KnC7N6YB/4zEvdlPCNJtsMPT0LRYuEf+Z96vp9yVOT+C05iqrNKDGWNrvCg9K
 U+teLDwGuOo9A/u2rCkhEiub9WWV195+0IZuw4gBaZyyY4LlwNT1kMY+nZ8BdE42
 3ockU8vT/7SHx3n8hGuW
 =TkGm
 -----END PGP SIGNATURE-----

Merge tag 'drivers2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: More SoC driver updates" from Olof Johansson:
 "This branch contains a handful of driver updates, mostly to the
  LPC32xx platform but also for Samsung EXYNOS and Davinci.

  It had a few context conflicts against patches already merged through
  fixes-non-critical.  We should have resolved this early during the
  development cycle by pulling them in as a dependency, instead I did it
  after the fact this time."

* tag 'drivers2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  gpio/samsung: use ioremap() for EXYNOS4 GPIOlib
  gpio/samsung: add support GPIOlib for EXYNOS5250
  ARM: EXYNOS: add support GPIO for EXYNOS5250
  ARM: LPC32xx: Ethernet support
  ARM: LPC32xx: USB Support
  ARM: davinci: dm644x evm: add support for VPBE display
  ARM: davinci: dm644x: add support for v4l2 video display
  ARM: EXYNOS: Hook up JPEG PD to generic PD infrastructure
  ARM: EXYNOS: Hook up G2D PD to generic PD infrastructure
  arm: lpc32xx: phy3250: add rtc & touch device
  ARM: LPC32xx: clock.c: Clock registration fixes
  ARM: LPC32xx: clock.c: jiffies wrapping
  ARM: LPC32xx: clock.c: Missing header file
  ARM: LPC32XX: Remove broken non-static declaration
  ARM: LPC32xx: clock.c: Fix mutex lock issues
  ARM: LPC32xx: clock.c: warning fix
  ARM: LPC32xx: Added lpc32xx_defconfig
2012-03-28 12:17:06 -07:00
Robert Richter
8abc3122aa x86/apic/amd: Be more verbose about LVT offset assignments
Add information about LVT offset assignments to better debug firmware
bugs related to this. See following examples.

 # dmesg | grep -i 'offset\|ibs'
 LVT offset 0 assigned for vector 0xf9
 [Firmware Bug]: cpu 0, try to use APIC500 (LVT offset 0) for vector 0x10400, but the register is already in use for vector 0xf9 on another cpu
 [Firmware Bug]: cpu 0, IBS interrupt offset 0 not available (MSRC001103A=0x0000000000000100)
 Failed to setup IBS, -22

In this case the BIOS assigns both offsets for MCE (0xf9) and IBS
(0x400) vectors to offset 0, which is why the second APIC setup (IBS)
failed.

With correct setup you get:

 # dmesg | grep -i 'offset\|ibs'
 LVT offset 0 assigned for vector 0xf9
 LVT offset 1 assigned for vector 0x400
 IBS: LVT offset 1 assigned
 perf: AMD IBS detected (0x00000007)
 oprofile: AMD IBS detected (0x00000007)

Note: The vector includes also the message type to handle also NMIs
(0x400). In the firmware bug message the format is the same as of the
APIC500 register and includes the mask bit (bit 16) in addition.

Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-03-28 20:02:39 +02:00
David Howells
141124c020 Delete all instances of asm/system.h
Delete all instances of asm/system.h as they should be redundant by this
point.

Signed-off-by: David Howells <dhowells@redhat.com>
2012-03-28 18:30:03 +01:00
David Howells
9ffc93f203 Remove all #inclusions of asm/system.h
Remove all #inclusions of asm/system.h preparatory to splitting and killing
it.  Performed with the following command:

perl -p -i -e 's!^#\s*include\s*<asm/system[.]h>.*\n!!' `grep -Irl '^#\s*include\s*<asm/system[.]h>' *`

Signed-off-by: David Howells <dhowells@redhat.com>
2012-03-28 18:30:03 +01:00
David Howells
49a7f04a4b Move all declarations of free_initmem() to linux/mm.h
Move all declarations of free_initmem() to linux/mm.h so that there's only one
and it's used by everything.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-c6x-dev@linux-c6x.org
cc: microblaze-uclinux@itee.uq.edu.au
cc: linux-sh@vger.kernel.org
cc: sparclinux@vger.kernel.org
cc: x86@kernel.org
cc: linux-mm@kvack.org
2012-03-28 18:30:03 +01:00
David Howells
705f4502bb Disintegrate asm/system.h for OpenRISC
Disintegrate asm/system.h for OpenRISC.  Not compiled.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
cc: linux@lists.openrisc.net
2012-03-28 18:30:03 +01:00
David Howells
f9aa7e1882 Disintegrate asm/system.h for Xtensa
Disintegrate asm/system.h for Xtensa.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Chris Zankel <chris@zankel.net>
2012-03-28 18:30:03 +01:00
Guan Xuetao
8978bfd228 Disintegrate asm/system.h for Unicore32 [based on ver #3, changed by gxt]
Disintegrate asm/system.h for Unicore32. (Compilation successful)
The implementation details are not changed, but only splitted.
BTW, some codestyles are adjusted.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2012-03-28 18:30:03 +01:00
David Howells
bd119c6923 Disintegrate asm/system.h for Tile
Disintegrate asm/system.h for Tile.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
2012-03-28 18:30:03 +01:00
David Howells
d550bbd40c Disintegrate asm/system.h for Sparc
Disintegrate asm/system.h for Sparc.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: sparclinux@vger.kernel.org
2012-03-28 18:30:03 +01:00