Commit Graph

49401 Commits

Author SHA1 Message Date
Linus Torvalds b3ea36b7a2 Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  kprobes/x86: Fix the return address of multiple kretprobes
  perf tools: Fix build error on read only source.
  perf, x86: Fix Intel-nhm PMU programming errata workaround
2010-08-19 09:06:49 -07:00
KUMANO Syuhei 737480a0d5 kprobes/x86: Fix the return address of multiple kretprobes
Fix the return address of subsequent kretprobes when multiple
kretprobes are set on the same function.

For example:

 # cd /sys/kernel/debug/tracing
 # echo "r:event1 sys_symlink" > kprobe_events
 # echo "r:event2 sys_symlink" >> kprobe_events
 # echo 1 > events/kprobes/enable
 # ln -s /tmp/foo /tmp/bar

(without this patch)

 # cat trace
              ln-897   [000] 20404.133727: event1: (kretprobe_trampoline+0x0/0x4c <- sys_symlink)
              ln-897   [000] 20404.133747: event2: (system_call_fastpath+0x16/0x1b <- sys_symlink)

(with this patch)

 # cat trace
              ln-740   [000] 13799.491076: event1: (system_call_fastpath+0x16/0x1b <- sys_symlink)
              ln-740   [000] 13799.491096: event2: (system_call_fastpath+0x16/0x1b <- sys_symlink)

Signed-off-by: KUMANO Syuhei <kumano.prog@gmail.com>
Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
LKML-Reference: <1281853084.3254.11.camel@camp10-laptop>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-08-19 12:49:56 +02:00
David S. Miller 0f58189d4a sparc64: Make lock backoff really a NOP on UP builds.
As noticed by Mikulas Patocka, the backoff macros don't
completely nop out for UP builds, we still get a
branch always and a delay slot nop.

Fix this by making the branch to the backoff spin loop
selective, then we can nop out the spin loop completely.

Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-18 22:53:26 -07:00
Mikulas Patocka 6ec274750c sparc64: simple microoptimizations for atomic functions
Simple microoptimizations for sparc64 atomic functions:
Save one instruction by using a delay slot.
Use %g1 instead of %g7, because %g1 is written earlier.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-18 22:51:08 -07:00
Linus Torvalds 2a554736f0 Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] Fix build error: conflicting types for ‘sys_execve’
2010-08-18 13:27:41 -07:00
H. Peter Anvin 8848a91068 x86-32: Fix dummy trampoline-related inline stubs
Fix dummy inline stubs for trampoline-related functions when no
trampolines exist (until we get rid of the no-trampoline case
entirely.)

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Joerg Roedel <joerg.roedel@amd.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
LKML-Reference: <4C6C294D.3030404@zytor.com>
2010-08-18 12:42:24 -07:00
Tony Luck 145e5aa269 [IA64] Fix build error: conflicting types for ‘sys_execve’
arch/ia64/kernel/process.c:636: error: conflicting types for ‘sys_execve’

commit d7627467b7
Make do_execve() take a const filename pointer

Missed the declaration of sys_execve in the ia64 asm/unistd.h (perhaps
because there is no reason for it to be there ... it might be a left over
from the COMPAT code?). Just delete the conflicting version.

Signed-off-by: Tony Luck <tony.luck@intel.com>
2010-08-18 10:17:44 -07:00
Linus Torvalds 6c8bfb7f7d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68knommu: include sched.h in ColdFire/SPI driver
  m68knommu: formatting of pointers in printk()
  m68knommu: arch/m68k/include/asm/ide.h fix for nommu
2010-08-18 09:27:10 -07:00
Linus Torvalds 86ea51d4a2 Merge branch 'merge-devicetree' of git://git.secretlab.ca/git/linux-2.6
* 'merge-devicetree' of git://git.secretlab.ca/git/linux-2.6:
  spi.h: missing kernel-doc notation, please fix
  of: fix missing headers for of_address_to_resource() in MTD and SysACE drivers
  of: Fix missing includes
  ata: update for of_device to platform_device replacement
  microblaze: Fix of: eliminate of_device->node and dev_archdata->{of,prom}_node
  microblaze: Fix of/address: Merge all of the bus translation code
  booting-without-of: Remove nonexistent chapters from TOC, fix numbering
2010-08-18 09:26:17 -07:00
Joerg Roedel fd89a13792 x86-32: Separate 1:1 pagetables from swapper_pg_dir
This patch fixes machine crashes which occur when heavily exercising the
CPU hotplug codepaths on a 32-bit kernel. These crashes are caused by
AMD Erratum 383 and result in a fatal machine check exception. Here's
the scenario:

1. On 32-bit, the swapper_pg_dir page table is used as the initial page
table for booting a secondary CPU.

2. To make this work, swapper_pg_dir needs a direct mapping of physical
memory in it (the low mappings). By adding those low, large page (2M)
mappings (PAE kernel), we create the necessary conditions for Erratum
383 to occur.

3. Other CPUs which do not participate in the off- and onlining game may
use swapper_pg_dir while the low mappings are present (when leave_mm is
called). For all steps below, the CPU referred to is a CPU that is using
swapper_pg_dir, and not the CPU which is being onlined.

4. The presence of the low mappings in swapper_pg_dir can result
in TLB entries for addresses below __PAGE_OFFSET to be established
speculatively. These TLB entries are marked global and large.

5. When the CPU with such TLB entry switches to another page table, this
TLB entry remains because it is global.

6. The process then generates an access to an address covered by the
above TLB entry but there is a permission mismatch - the TLB entry
covers a large global page not accessible to userspace.

7. Due to this permission mismatch a new 4kb, user TLB entry gets
established. Further, Erratum 383 provides for a small window of time
where both TLB entries are present. This results in an uncorrectable
machine check exception signalling a TLB multimatch which panics the
machine.

There are two ways to fix this issue:

        1. Always do a global TLB flush when a new cr3 is loaded and the
        old page table was swapper_pg_dir. I consider this a hack hard
        to understand and with performance implications

        2. Do not use swapper_pg_dir to boot secondary CPUs like 64-bit
        does.

This patch implements solution 2. It introduces a trampoline_pg_dir
which has the same layout as swapper_pg_dir with low_mappings. This page
table is used as the initial page table of the booting CPU. Later in the
bringup process, it switches to swapper_pg_dir and does a global TLB
flush. This fixes the crashes in our test cases.

-v2: switch to swapper_pg_dir right after entering start_secondary() so
that we are able to access percpu data which might not be mapped in the
trampoline page table.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
LKML-Reference: <20100816123833.GB28147@aftab>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-08-18 09:17:20 -07:00
Hans Rosenfeld 07a7795ca2 x86, cpu: Fix regression in AMD errata checking code
A bug in the family-model-stepping matching code caused the presence of
errata to go undetected when OSVW was not used. This causes hangs on
some K8 systems because the E400 workaround is not enabled.

Signed-off-by: Hans Rosenfeld <hans.rosenfeld@amd.com>
LKML-Reference: <1282141190-930137-1-git-send-email-hans.rosenfeld@amd.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-08-18 09:16:28 -07:00
Zhang, Yanmin 351af0725e perf, x86: Fix Intel-nhm PMU programming errata workaround
Fix the Errata AAK100/AAP53/BD53 workaround, the officialy documented
workaround we implemented in:

 11164cd: perf, x86: Add Nehelem PMU programming errata workaround

doesn't actually work fully and causes a stuck PMU state
under load and non-functioning perf profiling.

A functional workaround was found by trial & error.

Affects all Nehalem-class Intel PMUs.

Signed-off-by: Zhang Yanmin <yanmin_zhang@linux.intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1281073148.2125.63.camel@ymzhang.sh.intel.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <stable@kernel.org> # .35.x
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-08-18 11:17:39 +02:00
David S. Miller 9b3bb86aca sparc64: Make rwsems 64-bit.
Basically tip-off the powerpc code, use a 64-bit type and atomic64_t
interfaces for the implementation.

This gets us off of the by-hand asm code I wrote, which frankly I
think probably ruins I-cache hit rates.

The idea was the keep the call chains less deep, but anything taking
the rw-semaphores probably is also calling other stuff and therefore
already has allocated a stack-frame.  So no real stack frame savings
ever.

Ben H. has posted patches to make powerpc use 64-bit too and with some
abstractions we can probably use a shared header file somewhere.

With suggestions from Sam Ravnborg.

Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-17 22:49:26 -07:00
David S. Miller b10f997bb0 sparc64: Really fix atomic64_t interface types.
Linus noticed that some of the interface arguments
didn't get "int" --> "long" conversion, as needed.

Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-17 21:44:13 -07:00
Kulikov Vasiliy c7484cf467 m68knommu: formatting of pointers in printk()
arch/m68knommu/kernel/process.c: formatting of pointers in printk()

Use %p instead of %08x in printk().

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2010-08-18 12:44:31 +10:00
Jate Sujjavanich dc6ae5e471 m68knommu: arch/m68k/include/asm/ide.h fix for nommu
The arch/m68k/include/asm/ide.h produces errors when the IDE driver is compiled for my 523x uClinux system under kernel. The header makes some redefines of operators not defined in the arch/m68k/include/asm/io_no.h header. There are no separate mmio and iospace defines.

Signed-off-by: Jate Sujjavanich <jsujjavanich@syntech-fuelmaster.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2010-08-18 12:44:31 +10:00
Linus Torvalds 392abeea52 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
  vt,console,kdb: preserve console_blanked while in kdb
  vt: fix regression warnings from KMS merge
  arm,kgdb: fix GDB_MAX_REGS no longer used
  kgdb: add missing __percpu markup in arch/x86/kernel/kgdb.c
  kdb: fix compile error without CONFIG_KALLSYMS
2010-08-17 18:36:19 -07:00
Linus Torvalds 19147d0eb1 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: Fix atomic64_t routine return values.
  sparc64: Fix rwsem constant bug leading to hangs.
  sparc: Hook up new fanotify and prlimit64 syscalls.
  sparc: Really fix "console=" for serial consoles.
2010-08-17 18:14:08 -07:00
Linus Torvalds 2a6a432a9c Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
  VIDEO: amba clcd: don't disable an already disabled clock
  ARM: Tighten check for allowable CPSR values
  ARM: 6329/1: wire up sys_accept4() on ARM
  ARM: 6328/1: Build with -fno-dwarf2-cfi-asm
  ARM: 6326/1: kgdb: fix GDB_MAX_REGS no longer used
2010-08-17 18:11:49 -07:00
David Howells d7627467b7 Make do_execve() take a const filename pointer
Make do_execve() take a const filename pointer so that kernel_execve() compiles
correctly on ARM:

arch/arm/kernel/sys_arm.c:88: warning: passing argument 1 of 'do_execve' discards qualifiers from pointer target type

This also requires the argv and envp arguments to be consted twice, once for
the pointer array and once for the strings the array points to.  This is
because do_execve() passes a pointer to the filename (now const) to
copy_strings_kernel().  A simpler alternative would be to cast the filename
pointer in do_execve() when it's passed to copy_strings_kernel().

do_execve() may not change any of the strings it is passed as part of the argv
or envp lists as they are some of them in .rodata, so marking these strings as
const should be fine.

Further kernel_execve() and sys_execve() need to be changed to match.

This has been test built on x86_64, frv, arm and mips.

Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-17 18:07:43 -07:00
David S. Miller 86fa04b874 sparc64: Fix atomic64_t routine return values.
Should return 'long' instead of 'int'.

Thanks to Dimitris Michailidis and Tony Luck.

Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-17 17:12:04 -07:00
David S. Miller ef201bebe5 sparc64: Fix rwsem constant bug leading to hangs.
As noticed by Linus, it is critical that some of the
rwsem constants be signed.  Yet, hex constants are
unsigned unless explicitly casted or negated.

The most critical one is RWSEM_WAITING_BIAS.

This bug was exacerbated by commit
424acaaeb3 ("rwsem: wake queued readers
when writer blocks on active read lock")

Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-17 17:09:53 -07:00
Jesse Barnes 23b90cfd7b x86/PCI: only define pci_domain_nr if PCI and PCI_DOMAINS are set
Otherwise we'll duplicate definitions with the pci.h stubs.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-08-17 09:29:36 -07:00
Xiao Guangrong 6b5d7a9f6f KVM: PIT: free irq source id in handling error path
Free irq source id if create pit workqueue fail

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2010-08-17 12:04:23 +03:00
Grant Likely f1ca09b2b5 of: Fix missing includes
This patch fixes missing includes from a number of .c files because
the code (wrongfully) depended on prom.h including them.  The include
of linux/of_address.h was removed in microblaze prom.h in commit
"of/address: Clean up function declarations" (sha1 id 22ae782f8), but
not fixed in some callers.  This patch fixes them up.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Michal Simek <monstr@monstr.eu>
2010-08-16 23:44:49 -06:00
David S. Miller 8e8073a449 sparc: Hook up new fanotify and prlimit64 syscalls.
The only tricky bit is the compat version of fanotify_mark, which
which on 32-bit the 64-bit mark argument is passed in as "high32",
"low32".

Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-16 15:04:29 -07:00
David S. Miller 300a103d15 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 2010-08-16 14:09:34 -07:00
Eric Miao 787ea1c581 arm,kgdb: fix GDB_MAX_REGS no longer used
According to commit 22eeef4bb2

    kgdb,arm: Individual register get/set for arm

It's now replaced by DBG_MAX_REG_NUM.

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2010-08-16 15:58:30 -05:00
Namhyung Kim 8c8aefce93 kgdb: add missing __percpu markup in arch/x86/kernel/kgdb.c
breakinfo->pev is a pointer to percpu pointer but was missing __percpu markup.
Add it.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2010-08-16 15:58:30 -05:00
Michal Simek 088ab302f2 microblaze: Fix of: eliminate of_device->node and dev_archdata->{of,prom}_node
Commit 58f9b0b024 should
contain this fix too.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-08-16 14:55:48 -06:00
Michal Simek a8dcb878b6 microblaze: Fix of/address: Merge all of the bus translation code
Commit dbbdee9473 removed
of_irq_pci_swizzle but didn't use pci_swizzle_interrupt_pin
instead.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-08-16 14:55:46 -06:00
David S. Miller 0a492896ac sparc: Really fix "console=" for serial consoles.
If a video head and keyboard are hooked up, specifying "console=ttyS0"
or similar to use a serial console will not work properly.

The key issue is that we must register all serial console capable
devices with register_console(), otherwise the command line specified
device won't be found.  The sun serial drivers would only register
themselves as console devices if the OpenFirmware specified console
device node matched.  To fix this part we now unconditionally get
the serial console register by setting serial_drv->cons always.

Secondarily we must not add_preferred_console() using the firmware
provided console setting if the user gaven an override on the kernel
command line using "console="  The "primary framebuffer" matching
logic was always triggering o n openfirmware device node match, make
it not when a command line override was given.

Reported-by: Frans Pop <elendil@planet.nl>
Tested-by: Frans Pop <elendil@planet.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-16 12:26:09 -07:00
Kevin Hilman 58a5559e46 OMAP3: PM: ensure IO wakeups are properly disabled
Commit 5a5f561 (convert OMAP3 PRCM macros to the _SHIFT/_MASK suffixes)
mistakenly removed the check for PER when disabling the IO chain.

During idle, if the PER powerdomain transitions into a lower state
and CORE does not, the IO pad wakeups are not being disabled in
the idle path after they are enabled. This can happen with the
lower C-states when using CPUidle for example.

This patch ensures that the check for disabling IO wakeups also checks
for PER transitions, matching the check done to enable IO wakeups.

Found when debugging PM/CPUidle related problems reported by Ameya
Palande <ameya.palande@nokia.com>.  Problems were triggered
particularily on boards with UART2 consoles (n900, Overo) since UART2
is in the PER powerdomain.

Tested on l-o master (omap3_defonfig + CONFIG_CPU_IDLE=y) as well
as with current PM branch.  Boards tested: n900, Overo, omap3evm.

Cc: Paul Walmsley <paul@pwsan.com>
Cc: Ameya Palande <ameya.palande@nokia.com>
Tested-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
[tony@atomide.com: updated description to clarify the transistion]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-16 09:22:05 +03:00
Tony Lindgren c66dd2660d omap: Fix omap_4430sdp_defconfig for make oldconfig
Commit ffb63e3402 changed
Kconfig to select support for omap2, 3 and 4 by default.

However, CONFIG_SMP won't currently work properly on
uniprocessor ARMs, or if support for earlier ARM cores
is selected in.

Fix this by updating omap_4430sdp_defconfig to not
select omap2 or 3 at this point.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2010-08-16 09:22:04 +03:00
Tony Lindgren c45bd374e5 omap: Use CONFIG_SMP for test_for_ipi and test_for_ltirq
Otherwise we get the following error when enabling CONFIG_SMP
for omap3_defconfig:

arch/arm/kernel/entry-armv.S: Assembler messages:
arch/arm/kernel/entry-armv.S:48: Error: bad instruction `test_for_ipi r0,r6,r5,lr'
arch/arm/kernel/entry-armv.S:48: Error: bad instruction `test_for_ltirq r0,r6,r5,lr'
arch/arm/kernel/entry-armv.S:48: Error: bad instruction `test_for_ipi r0,r6,r5,lr'
arch/arm/kernel/entry-armv.S:48: Error: bad instruction `test_for_ltirq r0,r6,r5,lr'

Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2010-08-16 09:22:04 +03:00
Tony Lindgren a4192d32ae omap: Fix sev instruction usage for multi-omap
Otherwise we get the following error with omap3_defconfig and CONFIG_SMP:

Error: selected processor does not support `sev'

Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2010-08-16 09:22:04 +03:00
stanley.miao 8098bb0d8c OMAP3: Fix a cpu type check problem
cpu_is_omap3517() and cpu_is_omap3505() are the subgroups of cpu_is_omap34xx(),
so we should check cpu_is_omap3517() and cpu_is_omap3505() first, then check
cpu_is_omap34xx().

Otherwise, All AM35XX (Sitara) clocks do not get registered and device drivers
(ti_hecc, etc...) that depend on those clocks are failing to get the clock and
end up with non working device.

Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Tested-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-16 09:21:19 +03:00
Nishanth Menon 77c0870ca5 omap3: id: fix 3630 rev detection
Wrong placement of break causes all revisions of 3630 to be
detected as 3630 es1.2, we need to break main loop if we have
an identified chip, default falls through as in the rest of the
switches in this function.

Cc: Paul Walmsley <paul@pwsan.com>
Cc: Sanjeev Premi <premi@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Manjunath K <manjugk@ti.com>
Cc: Anand Gadiyar <gadiyar@ti.com>
Cc: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-16 09:21:19 +03:00
Linus Torvalds 2245ba2a3a Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  gcc-4.6: ACPI: fix unused but set variables in ACPI
  ACPI thermal: make procfs I/F depend on CONFIG_ACPI_PROCFS
  ACPI video: make procfs I/F depend on CONFIG_ACPI_PROCFS
  ACPI processor: remove deprecated ACPI procfs I/F
  ACPI power_resource: remove unused procfs I/F
  ACPI: remove deprecated ACPI procfs I/F
  ACPI: introduce drivers/acpi/sysfs.c
  ACPI: introduce module parameter acpi.aml_debug_output
  ACPI: introduce drivers/acpi/debugfs.c
  ACPI, APEI, ERST debug support
  ACPI, APEI, Manage GHES as platform devices
  ACPI, APEI, Rename CPER and GHES severity constants
  ACPI, APEI, Fix a typo of error path of apei_resources_request
  ACPI / ACPICA: Fix reference counting problems with GPE handlers
  ACPI: Add the check of ADR flag in course of finding ACPI handle for PCI device
  ACPI / Sleep: Drop acpi_suspend_finish()
  ACPI / Sleep: Consolidate suspend and hibernation routines
  ACPI / Wakeup: Simplify enabling of wakeup devices
  ACPI / Sleep: Rework enabling wakeup devices
  ACPI / Sleep: Free NVS copy if suspending of devices fails

Fixed up totally buggered "ACPI: fix unused but set variables in ACPI"
patch that doesn't even compile in the merge.

Thanks to Sedat Dilek <sedat.dilek@googlemail.com> for noticing the
breakage before I even pulled.  And a big "Grrr.." at Len for not even
bothering to compile the tree before asking me to pull.
2010-08-15 17:37:07 -07:00
Linus Torvalds 7355a5a654 Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6:
  mtd/nand_ids: Fix buswidth
  mtd/m25p80: fix test for end of loop
  mtd/m25p80: retlen is never NULL
  MIPS: Fix gen_nand probe structures contents
  gen_nand: Test if nr_chips field is valid
  BFIN: Fix gen_nand probe structures contents
  nand/denali: move all hardware initialization work to denali_hw_init
  nand/denali: Add a page check in denali_read_page & denali_read_page_raw
  nand/denali: use cpu_relax() while waiting for hardware interrupt
  nand/denali: change read_status function method
  nand/denali: Fixed check patch warnings
  ARM: Fix gen_nand probe structures contents
  mtd/nand_base: fix kernel-doc warnings & typos
  nand/denali: use dev_xx debug function to replace nand_dbg_print and some printk
  nand/denali: Fixed handle ECC error bugs
  nand/denali: use iowrite32() to replace denali_write32()
  nand/denali: Fixed probe function bugs
2010-08-15 17:32:47 -07:00
Linus Torvalds 7a1b29a82b Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
  arch/tile: don't validate CROSS_COMPILE needlessly
  arch/tile: export only COMMAND_LINE_SIZE to userspace.
  arch/tile: rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN
  arch/tile: Rename the hweight() implementations to __arch_hweight()
  arch/tile: extend syscall ABI to set r1 on return as well.
  arch/tile: Various cleanups.
  arch/tile: support backtracing on TILE-Gx
  arch/tile: Fix a couple of issues with the COMPAT code for TILE-Gx.
  arch/tile: Use separate, better minsec values for clocksource and sched_clock.
  arch/tile: correct a bug in freeing bootmem by VA for the optional second initrd.
  arch: tile: mm: pgtable.c: Removed duplicated #include
  arch: tile: kernel/proc.c Removed duplicated #include
  Add fanotify syscalls to <asm-generic/unistd.h>.
  arch/tile: support new kunmap_atomic() naming convention.
  tile: remove unused ISA_DMA_THRESHOLD define

Conflicts in arch/tile/configs/tile_defconfig (pick the mainline version
with the reduced defconfig).
2010-08-15 17:31:43 -07:00
Russell King 41e2e8fd34 ARM: Tighten check for allowable CPSR values
Reviewed-by: Arve Hjønnevåg <arve@android.com>
Acked-by: Dima Zavin <dima@android.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-08-15 22:04:24 +01:00
Mikael Pettersson 21d93e2e29 ARM: 6329/1: wire up sys_accept4() on ARM
sys_accept4() was added in kernel 2.6.28, but ARM was not updated
to include it.  The number and types of parameters is such that
no ARM-specific processing is needed, so wiring up sys_accept4()
just requires defining __NR_accept4 and adding a direct call in
the syscall entry table.

Tested with an EABI 2.6.35 kernel and Ulrich Drepper's original
accept4() test program, modified to define __NR_accept4 for ARM.

Using the updated unistd.h also eliminates a warning then building
glibc (2.10.2 and newer) about accept4() being unimplemented.

Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-08-15 22:04:23 +01:00
Chris Metcalf a5854dd7f3 arch/tile: don't validate CROSS_COMPILE needlessly
With this change, the arch/tile Makefile will only check for a valid
combination of CROSS_COMPILE vs "uname -m" for a few common targets
that are typically the ones we get wrong (vmlinux, all, and modules).
The change handles the case of an empty "make" goal like "make all".

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
2010-08-15 16:14:07 -04:00
Chris Metcalf 3b3c1b9d04 arch/tile: export only COMMAND_LINE_SIZE to userspace.
This fixes a failure in "make headers_check" for tile.
I hadn't realized this file was exported to userspace by default.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2010-08-15 12:14:41 -04:00
Chris Metcalf b3ae98ab82 arch/tile: rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN
See commit a6eb9fe105.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
2010-08-15 11:05:33 -04:00
Xiaotian Feng 3185bf8c23 KVM: destroy workqueue on kvm_create_pit() failures
kernel needs to destroy workqueue if kvm_create_pit() fails, otherwise
after pit is freed, the workqueue is leaked.

Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Cc: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Gleb Natapov <gleb@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Gregory Haskins <ghaskins@novell.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2010-08-15 14:17:35 +03:00
Xiaotian Feng f45755b834 KVM: fix poison overwritten caused by using wrong xstate size
fpu.state is allocated from task_xstate_cachep, the size of task_xstate_cachep
is xstate_size. xstate_size is set from cpuid instruction, which is often
smaller than sizeof(struct xsave_struct). kvm is using sizeof(struct xsave_struct)
to fill in/out fpu.state.xsave, as what we allocated for fpu.state is
xstate_size, kernel will write out of memory and caused poison/redzone/padding
overwritten warnings.

Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Reviewed-by: Sheng Yang <sheng@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Avi Kivity <avi@redhat.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Sheng Yang <sheng@linux.intel.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2010-08-15 14:10:15 +03:00
Len Brown 95ee46aa86 Merge branch 'linus' into release
Conflicts:
	drivers/acpi/debug.c

Signed-off-by: Len Brown <len.brown@intel.com>
2010-08-15 01:06:31 -04:00
Michal Marek bd365591df ARM: 6328/1: Build with -fno-dwarf2-cfi-asm
Commit d0679c7 restricted this workaround to powerpc only, but it turns
out that ARM needs it as well. Fixes
https://bugzilla.kernel.org/show_bug.cgi?id=16310 .

Reported-and-Tested-by: Robert Nelson <robertcnelson@gmail.com>
Acked-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-08-14 23:58:43 +01:00
Sam Ravnborg 8b1bb90701 defconfig reduction
Use the defconfig files generated by "make savedefconfig" for
remaining defconfig files.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2010-08-14 22:26:53 +02:00
Sam Ravnborg bf56fba670 archs: replace unifdef-y with header-y
unifdef-y and header-y have same semantic, so drop unifdef-y

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2010-08-14 22:26:51 +02:00
Linus Torvalds bbbfb910d1 Merge branch 'for-linus/samsung-2635' of git://git.fluff.org/bjdooks/linux
* 'for-linus/samsung-2635' of git://git.fluff.org/bjdooks/linux:
  DMAENGINE: correct PL080 register header file
  ARM: SAMSUNG: Fix on build warning about dependency in Kconfig
  ARM: SMDK6410: Make virtual screen twice depth of real
  ARM: S3C64XX: Update consistent DMA size to 8MiB
  ARM: S3C64XX: Add audio support to SmartQ
  ARM: S3C64XX: Framebuffer fix for SmartQ5
  ARM: S3C64XX: Set wifi and iNAND as permanently connected SD devices on SmartQ boards
  ARM: S3C64XX: Move SmartQ LCD control platform definition to shared file
  ARM: mach-real6410: add sdhc device support
  ARM: mach-real6410: add dm9000 ethernet support for mach-real6410
  ARM: S3C64XX: Support for Real6410

Fix up trivial conflicts in arch/arm/mach-s3c64xx/mach-smartq5.c
("remove pixclock" vs "Framebuffer fix for SmartQ5")
2010-08-14 11:59:44 -07:00
Linus Torvalds d0a0c28cf1 Merge branch 'for-linus/i2c-2636' of git://git.fluff.org/bjdooks/linux
* 'for-linus/i2c-2636' of git://git.fluff.org/bjdooks/linux:
  i2c/nuc900: add i2c driver support for nuc900
  i2c: Enable NXP LPC support in Kconfig
  i2c-pxa: fix compiler warning, due to missing const
  i2c: davinci: bus recovery procedure to clear the bus
  i2c: davinci: Add cpufreq support
  i2c: davinci: Add suspend/resume support
  i2c: davinci: Add helper functions for power management
  i2c: davinci: misc. cleanups: remove MOD_REG_BIT and IO_ADDRESS usage
  i2c: davinci: Fix smbus Oops with AIC33 usage
2010-08-14 11:57:54 -07:00
Ben Dooks a739260d4e Merge branch 'for-2636/s3c64xx' into for-linus/samsung-2635 2010-08-14 16:34:38 +01:00
Linus Walleij d92342df2a DMAENGINE: correct PL080 register header file
This PL008 among all other variables named PL080 doesn't seem
right. Fix it. Also add some missing defined that I use in the
new PL08x driver.

Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-08-14 16:29:55 +01:00
Kukjin Kim 2d4a3b76cf ARM: SAMSUNG: Fix on build warning about dependency in Kconfig
This patch fixes on following build warning.

warning: (PLAT_S5P && (ARCH_S5P6440 || ARCH_S5P6442 || ARCH_S5PC100 ||
	     ARCH_S5PV210 || ARCH_S5PV310) || ARCH_S3C64XX && <choice>)
	     selects PLAT_SAMSUNG which has unmet direct dependencies
	     (ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX)

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-08-14 16:27:40 +01:00
Ben Dooks 001ca74f18 ARM: SMDK6410: Make virtual screen twice depth of real
For situations where double buffering is needed (such as the
current Android) make the screen virtual y size twice the
LCD size so that there is space for a second screen that
can be switched to.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-08-14 16:24:33 +01:00
Ben Dooks 46d0ad3783 ARM: S3C64XX: Update consistent DMA size to 8MiB
Change the area available for consitent DMA allocations from the
default to 8MiB to allow drivers such as the framebuffer to get
more memory (for situations where larger virtual screen resolutions
are needed).

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-08-14 16:24:15 +01:00
Maurus Cuelenaere 4e13c0ea2c ARM: S3C64XX: Add audio support to SmartQ
This adds the I²C board information for the WM8987 used in the SmartQ as audio
codec and adds the I²C/I²S platform drivers.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-08-14 16:16:28 +01:00
Patrick Georgi 08ee000b51 ARM: S3C64XX: Framebuffer fix for SmartQ5
The following change makes the framebuffer work on SmartQ5. There are
still some problems with ADC, so this patch alone won't make the device
run (or even give a working fb), but it's one issue less to think about.

Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-08-14 16:15:56 +01:00
Maurus Cuelenaere eeda5fcb4f ARM: S3C64XX: Set wifi and iNAND as permanently connected SD devices on SmartQ boards
This patch changes the platform data definitions of the wifi and iNAND chip on
the SmartQ 5 and 7 to indicate that they don't have a CD line available and are
thus hard-wired to the SDHCI data lines.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-08-14 16:13:23 +01:00
Maurus Cuelenaere 49f91b9ed1 ARM: S3C64XX: Move SmartQ LCD control platform definition to shared file
This shares the common LCD control platform definition used in the SmartQ 5 and
7. This also corrects it as a GPIO bitbanged SPI device instead of an I²C one,
which was wrong.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-08-14 16:13:06 +01:00
Darius Augulis ce611d7b98 ARM: mach-real6410: add sdhc device support
Register SHDCI devices

Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
[ben-linux@fluff.org: rewrite header[
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-08-14 16:10:23 +01:00
Darius Augulis ff266c0c91 ARM: mach-real6410: add dm9000 ethernet support for mach-real6410
This patch is based on "[PATCH v2] Support for Real6410"

Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-08-14 16:10:23 +01:00
Darius Augulis eab5cfa065 ARM: S3C64XX: Support for Real6410
Add support for CoreWind Real6410 board, based on Samsung s3c6410 processor.

Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-08-14 16:10:22 +01:00
eric miao 2f174847b0 ARM: 6326/1: kgdb: fix GDB_MAX_REGS no longer used
According to commit 22eeef4bb2

    kgdb,arm: Individual register get/set for arm

It's now replaced by DBG_MAX_REG_NUM.

Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-08-14 09:28:35 +01:00
Linus Torvalds 92fa5bd9a9 Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] Add latest crop of syscalls
  [IA64] Fix 64-bit atomic routines to return "long"
2010-08-13 21:23:57 -07:00
Tony Luck a78b2de1e4 [IA64] Add latest crop of syscalls
Three new syscalls for 2.6.36: prlimit64, fanotify_init and
fanotify_mark.  Wire up the ia64 syscall table for them.

Signed-off-by: Tony Luck <tony.luck@intel.com>
2010-08-13 20:55:51 -07:00
Linus Torvalds c206d44ffd Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, UV: Make kdump avoid stack dumps - fix !CONFIG_KEXEC breakage
  x86, UV: Initialize BAU hub map
  x86, UV: Make kdump avoid stack dumps
2010-08-13 18:00:25 -07:00
Linus Torvalds 78b148696d Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
  [CPUFREQ] acpi-cpufreq: add missing __percpu markup
2010-08-13 17:59:09 -07:00
Chris Metcalf 947e7dc1ae arch/tile: Rename the hweight() implementations to __arch_hweight()
See commit 1527bc8b92.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2010-08-13 20:45:54 -04:00
Chris Metcalf 7d72e6fa56 Merge branch 'master' into for-linus 2010-08-13 19:59:15 -04:00
David Howells c788732523 Mark arguments to certain syscalls as being const
Mark arguments to certain system calls as being const where they should be but
aren't.  The list includes:

 (*) The filename arguments of various stat syscalls, execve(), various utimes
     syscalls and some mount syscalls.

 (*) The filename arguments of some syscall helpers relating to the above.

 (*) The buffer argument of various write syscalls.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-13 16:53:13 -07:00
Tony Luck 01d69a82e1 [IA64] Fix 64-bit atomic routines to return "long"
These have been broken (returning "int") since the dawn of
time. But there were no users that needed the whole value
until commit
 424acaaeb3
 rwsem: wake queued readers when writer blocks on active read lock

made this change:

-           (rwsem_atomic_update(0, sem) & RWSEM_ACTIVE_MASK))
-               /* Someone grabbed the sem already */
+           rwsem_atomic_update(0, sem) < RWSEM_WAITING_BIAS)
+               /* Someone grabbed the sem for write already */

RWSEM_ACTIVE_MASK is 0xffffffffL, so the old code only looked
at the low order 32-bits. The new code needs to see all 64 bits.

Signed-off-by: Tony Luck <tony.luck@intel.com>
2010-08-13 16:41:07 -07:00
Chris Metcalf ba00376b0b arch/tile: extend syscall ABI to set r1 on return as well.
Until now, the tile architecture ABI for syscall return has just been
that r0 holds the return value, and an error is only signalled like it is
for kernel code, with a negative small number.

However, this means that in multiple places in userspace we end up writing
the same three-cycle idiom that tests for a small negative number for
error.  It seems cleaner to instead move that code into the kernel, and
set r1 to hold zero on success or errno on failure; previously, r1 was
just zeroed on return from the kernel (to avoid leaking kernel state).
This way a single conditional branch after the syscall is sufficient
to test for the failure case.  The number of cycles taken is the same,
but the error-checking code is in just one place, so total code size is
smaller, and random userspace syscall code is easier to understand.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2010-08-13 16:37:00 -04:00
Linus Torvalds 2be1f3a73d Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] partitions: fix build error in ibm partition detection code
  [S390] appldata: fix dev_get_stats 64 bit conversion
  [S390] wire up prlimit64 and fanotify* syscalls
  [S390] zcrypt: fix Kconfig dependencies
  [S390] sys_personality: follow u_long to unsigned int conversion
  [S390] dasd: fix format string types
2010-08-13 10:54:04 -07:00
Linus Torvalds 4b17cafaa4 Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (30 commits)
  perf: Add back list_head data types
  perf ui hist browser: Fixup key bindings
  perf ui browser: Add ui_browser__show counterpart: __hide
  perf annotate: Cycle thru sorted lines with samples
  perf ui: Make SPACE work as PGDN in all browsers
  perf annotate: Sort by hottest lines in the TUI
  perf ui: Complete the breakdown of util/newt.c
  perf ui: Move hists browser to util/ui/browsers/
  perf symbols: Ignore mapping symbols on ARM
  perf ui: Move map browser to util/ui/browsers/
  perf ui: Move annotate browser to util/ui/browsers/
  perf ui: Move ui_progress routines to separate file in util/ui/
  perf ui: Move ui_helpline routines to separate file in util/ui/
  perf ui: Shorten ui_browser member names
  perf, x86: P4 PMU -- update nmi irq statistics and unmask lvt entry properly
  perf ui: Start breaking down newt.c into multiple files
  perf tui: Introduce list_head based generic ui_browser refresh routine
  perf probe: Fix memory leaks in add_perf_probe_events
  perf probe: Fix to copy the type for raw parameters
  perf report: Speed up exit path
  ...
2010-08-13 10:39:30 -07:00
Linus Torvalds 36450e9c95 Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, UV: Initialize BAU MMRs only on hubs with cpus
  x86, UV: Modularize BAU send and wait
  x86, UV: BAU broadcast to the local hub
  x86, UV: Correct BAU regular message type
  x86, UV: Remove BAU check for stay-busy
  x86, UV: Correct BAU discovery of hubs and sockets
  x86, UV: Correct BAU software acknowledge
  x86, UV: BAU structure rearranging
  x86, UV: Shorten access to BAU statistics structure
  x86, UV: Disable BAU on network congestion
  x86, UV: BAU tunables into a debugfs file
  x86, UV: Calculate BAU destination timeout
2010-08-13 10:38:37 -07:00
Linus Torvalds c029b55af7 Merge branch 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, asm: Use a lower case name for the end macro in atomic64_386_32.S
  x86, asm: Refactor atomic64_386_32.S to support old binutils and be cleaner
  x86: Document __phys_reloc_hide() usage in __pa_symbol()
  x86, apic: Map the local apic when parsing the MP table.
2010-08-13 10:35:48 -07:00
Linus Torvalds 9605456919 x86: don't send SIGBUS for kernel page faults
It's wrong for several reasons, but the most direct one is that the
fault may be for the stack accesses to set up a previous SIGBUS.  When
we have a kernel exception, the kernel exception handler does all the
fixups, not some user-level signal handler.

Even apart from the nested SIGBUS issue, it's also wrong to give out
kernel fault addresses in the signal handler info block, or to send a
SIGBUS when a system call already returns EFAULT.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-13 09:49:20 -07:00
Namhyung Kim 3f6c4df7e1 [CPUFREQ] acpi-cpufreq: add missing __percpu markup
acpi_perf_data is a percpu pointer but was missing __percpu markup.
Add it.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Dave Jones <davej@redhat.com>
2010-08-13 11:11:49 -04:00
Chris Metcalf c745a8a11f arch/tile: Various cleanups.
This change rolls up random cleanups not representing any actual bugs.

- Remove a stale CONFIG_ value from the default tile_defconfig
- Remove unused tns_atomic_xxx() family of methods from <asm/atomic.h>
- Optimize get_order() using Tile's "clz" instruction
- Fix a bad hypervisor upcall name (not currently used in Linux anyway)
- Use __copy_in_user_inatomic() name for consistency, and export it
- Export some additional hypervisor driver I/O upcalls and some homecache calls
- Remove the obfuscating MEMCPY_TEST_WH64 support code
- Other stray comment cleanups, #if 0 removal, etc.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2010-08-13 08:52:19 -04:00
Chris Metcalf 1fcbe027b5 arch/tile: support backtracing on TILE-Gx
This functionality was stubbed out until recently.  Now we support our
normal backtracing API on TILE-Gx as well as on TILE64/TILEPro.
This change includes a tweak to the instruction encoding caused by
adding addxli for compat mode.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2010-08-13 08:40:57 -04:00
Chris Metcalf 32020effaf arch/tile: Fix a couple of issues with the COMPAT code for TILE-Gx.
First, the siginfo preamble wasn't quite right; we need to indicate
that we are padding up to 4 ints of preamble for 64-bit code, and
then for compat mode we need to pad differently, using only 3 ints.

Second, the C ABI requires a save area of two registers, not two
pointers, since in compat mode we have 64-bit registers all of which
we need to save, even though we only have 32-bit VAs.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2010-08-13 08:32:21 -04:00
Chris Metcalf 749dc6f252 arch/tile: Use separate, better minsec values for clocksource and sched_clock.
We were using the same 5-sec minsec for the clocksource and sched_clock
that we were using for the clock_event_device.  For the clock_event_device
that's exactly right since it has a short maximum countdown time.
But for sched_clock we want to avoid wraparound when converting from
ticks to nsec over a much longer window, so we force a shift of 10.
And for clocksource it seems dodgy to use a 5-sec minsec as well, so we
copy some other platforms and force a shift of 22.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2010-08-13 08:24:22 -04:00
Chris Metcalf bc63de7c5b arch/tile: correct a bug in freeing bootmem by VA for the optional second initrd.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2010-08-13 08:23:07 -04:00
Andrea Gelmini c45c1cd7bf arch: tile: mm: pgtable.c: Removed duplicated #include
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2010-08-13 08:10:24 -04:00
Andrea Gelmini a6fb72f1e9 arch: tile: kernel/proc.c Removed duplicated #include
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2010-08-13 08:10:16 -04:00
Heiko Carstens e402e38c6b [S390] appldata: fix dev_get_stats 64 bit conversion
Fix this warning:

arch/s390/appldata/appldata_net_sum.c: In function 'appldata_get_net_sum_data':
arch/s390/appldata/appldata_net_sum.c:89: warning: initialization from incompatible pointer type

which was introduced with be1f3c2c02
"net: Enable 64-bit net device statistics on 32-bit architectures"

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-08-13 10:06:55 +02:00
Heiko Carstens b47ac63c72 [S390] wire up prlimit64 and fanotify* syscalls
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-08-13 10:06:54 +02:00
Heiko Carstens 3a11037035 [S390] sys_personality: follow u_long to unsigned int conversion
commit 485d527686 "sys_personality: change
sys_personality() to accept "unsigned int" instead of u_long" changed
the syscall interface for sys_personality.
Just follow the common code change in our arch code to avoid confusion.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-08-13 10:06:54 +02:00
Ingo Molnar f46a680413 Merge branch 'linus' into perf/urgent
Merge reason: Fix upstream breakage introduced by:

 de5d9bf: Move list types from <linux/list.h> to <linux/types.h>.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-08-12 21:39:04 +02:00
Cliff Wickman 1d6225e8cc x86, UV: Make kdump avoid stack dumps - fix !CONFIG_KEXEC breakage
This replaces Version 1 of this patch, which broke the build when
CONFIG_KEXEC and CONFIG_CRASH_DUMP were configured off.  In that case
the storage for the 'in_crash_kexec' flag was never built.

This version defines that flag as 0 if CONFIG_KEXEC is not set.
The patch is tested with all combinations of those two options.

Signed-off-by: Cliff Wickman <cpw@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <E1OiZcw-0001Hb-2g@eag09.americas.sgi.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2010-08-12 12:23:55 -07:00
Linus Torvalds ad41a1e0ca Merge branch 'io_remap_pfn_range' of git://www.jni.nu/cris
* 'io_remap_pfn_range' of git://www.jni.nu/cris:
  CRIS: Define io_remap_pfn_range as remap_pfn_range
2010-08-12 10:17:19 -07:00
Linus Torvalds ce4327d372 Merge branch 'msm-core' of git://codeaurora.org/quic/kernel/dwalker/linux-msm
* 'msm-core' of git://codeaurora.org/quic/kernel/dwalker/linux-msm:
  msm: mmc: Add msm prefix to platform data structure
  msm: trout: Remove extern declaration from source file
  arm: msm: Fix section mismatch in smd.c.
  arm: msm: trout add mmc support
  arm: msm: trout: add trout specific gpio interrupts
  arm: msm: remove unused #include <linux/version.h>
2010-08-12 10:07:32 -07:00
Linus Torvalds 4032816dca Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
  [CPUFREQ] add missing __percpu markup in pcc-cpufreq.c
2010-08-12 10:07:11 -07:00
Linus Torvalds 26df0766a7 Merge branch 'params' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
* 'params' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (22 commits)
  param: don't deref arg in __same_type() checks
  param: update drivers/acpi/debug.c to new scheme
  param: use module_param in drivers/message/fusion/mptbase.c
  ide: use module_param_named rather than module_param_call
  param: update drivers/char/ipmi/ipmi_watchdog.c to new scheme
  param: lock if_sdio's lbs_helper_name and lbs_fw_name against sysfs changes.
  param: lock myri10ge_fw_name against sysfs changes.
  param: simple locking for sysfs-writable charp parameters
  param: remove unnecessary writable charp
  param: add kerneldoc to moduleparam.h
  param: locking for kernel parameters
  param: make param sections const.
  param: use free hook for charp (fix leak of charp parameters)
  param: add a free hook to kernel_param_ops.
  param: silence .init.text references from param ops
  Add param ops struct for hvc_iucv driver.
  nfs: update for module_param_named API change
  AppArmor: update for module_param_named API change
  param: use ops in struct kernel_param, rather than get and set fns directly
  param: move the EXPORT_SYMBOL to after the definitions.
  ...
2010-08-12 10:01:59 -07:00
Chris Wilson 4936a3b90d x86/hpet: Use the FSEC_PER_SEC constant for femto-second periods
The current computation, introduced with f12a15be63, of FSEC_PER_SEC using
the multiplication of (FSEC_PER_NSEC * NSEC_PER_SEC) is performed only
with 32bit integers on small machines, resulting in an overflow and a
*very* short intervals being programmed.  An interrupt storm follows.

Note that we also have to specify FSEC_PER_SEC as being long long to
overcome the same limitations.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-12 09:53:39 -07:00
David Howells 95f4572737 MN10300: Use no_printk() for disabled gdbstub debugging functions
Use no_printk() for disabled gdbstub debugging functions to maintain side
effect checking.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-12 09:51:35 -07:00
David Howells 12fdff3fc2 Add a dummy printk function for the maintenance of unused printks
Add a dummy printk function for the maintenance of unused printks through gcc
format checking, and also so that side-effect checking is maintained too.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-12 09:51:35 -07:00
David Howells 1490cf5f0c MN10300: Don't try and #include <linux/slab.h> in lib/inflate.c from bootloader
Don't try and #include <linux/slab.h> in lib/inflate.c from the bootloader code
as linux/slab.h hauls in function defs that aren't available in the bootloader
code and may also haul in conflicting functions.

To fix this, make the inclusion of linux/slab.h contingent on NO_INFLATE_MALLOC
as are the usages of kmalloc() and kfree().

In MN10300, this causes the following errors:

In file included from include/linux/string.h:21,
                 from include/linux/bitmap.h:8,
                 from include/linux/nodemask.h:93,
                 from include/linux/mmzone.h:16,
                 from include/linux/gfp.h:4,
                 from include/linux/slab.h:12,
                 from arch/mn10300/boot/compressed/../../../../lib/inflate.c:106,
                 from arch/mn10300/boot/compressed/misc.c:170:
/warthog/am33/linux-2.6-mn10300/arch/mn10300/include/asm/string.h:19: error: conflicting types for 'memset'
arch/mn10300/boot/compressed/misc.c:59: error: previous definition of 'memset' was here

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-12 09:51:35 -07:00
David Howells 3ad001c04f MN10300: Fix size_t and ssize_t
With the newer compilers, size_t and ssize_t are expected to be (un)signed int
rather than (un)signed long.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-12 09:51:35 -07:00
David Howells 3557957616 MN10300: Fix RTC routines
A change to the RTC routines in the MN10300 arch used set_rtc_mms() when it
meant set_rtc_mmss().  This results in an error due to a reference of an
undefined symbol.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-12 09:51:35 -07:00
Namhyung Kim a3da323420 [CPUFREQ] add missing __percpu markup in pcc-cpufreq.c
pcc_cpu_info is a percpu pointer but was missing __percpu markup.
Add it.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Dave Jones <davej@redhat.com>
2010-08-12 12:38:06 -04:00
Linus Torvalds d4a47ac154 Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] Fix rwsem: RWSEM_WAITING_BIAS must not be unsigned.
2010-08-12 09:29:06 -07:00
Tony Luck b680f0979f [IA64] Fix rwsem: RWSEM_WAITING_BIAS must not be unsigned.
Some nice improvements were made to rwsem in commit:

 424acaaeb3
 rwsem: wake queued readers when writer blocks on active read lock

but this change overlooked that ia64 had defined RWSEM_WAITING_BIAS
as an unsigned value, while the new code required a signed value (as
it is in every other architecture).

This fix suggested by the original patch author: Michel Lespinasse.

Signed-off-by: Tony Luck <tony.luck@intel.com>
2010-08-12 09:14:56 -07:00
Linus Torvalds 58d4ea65b9 Merge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6
* 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6:
  mmc_spi: Fix unterminated of_match_table
  of/sparc: fix build regression from of_device changes
  of/device: Replace struct of_device with struct platform_device
2010-08-12 09:11:31 -07:00
Linus Torvalds 26f0cf9181 Merge branch 'stable/xen-swiotlb-0.8.6' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
* 'stable/xen-swiotlb-0.8.6' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  x86: Detect whether we should use Xen SWIOTLB.
  pci-swiotlb-xen: Add glue code to setup dma_ops utilizing xen_swiotlb_* functions.
  swiotlb-xen: SWIOTLB library for Xen PV guest with PCI passthrough.
  xen/mmu: inhibit vmap aliases rather than trying to clear them out
  vmap: add flag to allow lazy unmap to be disabled at runtime
  xen: Add xen_create_contiguous_region
  xen: Rename the balloon lock
  xen: Allow unprivileged Xen domains to create iomap pages
  xen: use _PAGE_IOMAP in ioremap to do machine mappings

Fix up trivial conflicts (adding both xen swiotlb and xen pci platform
driver setup close to each other) in drivers/xen/{Kconfig,Makefile} and
include/xen/xen-ops.h
2010-08-12 09:09:41 -07:00
Florian Zumbiehl a292dfa017 parisc: fix wrong page aligned size calculation in ioremapping code
parisc __ioremap(): fix off-by-one error in page alignment of allocation
size for sizes where size%PAGE_SIZE==1.

Signed-off-by: Florian Zumbiehl <florz@florz.de>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Acked-by: Helge Deller <deller@gmx.de>
Tested-by: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-12 08:43:29 -07:00
Roel Kluin 17e465034a score: fix dereference of NULL pointer in local_flush_tlb_page()
Don't dereference vma if it's NULL.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-12 08:43:29 -07:00
Luca Barbieri 417484d47e x86, asm: Use a lower case name for the end macro in atomic64_386_32.S
Use a lowercase name for the end macro, which somehow fixes a binutils 2.16
problem.

Signed-off-by: Luca Barbieri <luca@luca-barbieri.com>
LKML-Reference: <tip-30246557a06bb20618bed906a06d1e1e0faa8bb4@git.kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-08-12 07:04:16 -07:00
Jesper Nilsson 5272a7534a CRIS: Define io_remap_pfn_range as remap_pfn_range
CRIS don't need any special mapping for io, but didn't define this,
meaning that all uses of io_remap_pfn_range lead to compile errors.

This fixes a compile error introduced in CRIS when drivers/mtd/mtdchar.c
mmap handling was changed in commit dd02b67d5e

Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2010-08-12 14:32:58 +02:00
Marek Vasut d2b5bbef21 MIPS: Fix gen_nand probe structures contents
This platform didn't properly fill nr_chips in gen_nand
registration and therefore depended on gen_nand bug fixed by commit
81cbb0b177 ("mtd: gen_nand: fix support for
multiple chips")
    
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-08-12 12:22:49 +01:00
Marek Vasut ef56609f9c BFIN: Fix gen_nand probe structures contents
These two platforms didn't properly fill nr_chips in gen_nand 
registration and therefore depended on gen_nand bug fixed by by commit
81cbb0b177 ("mtd: gen_nand: fix support for
multiple chips")

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-08-12 12:17:32 +01:00
Luca Barbieri 30246557a0 x86, asm: Refactor atomic64_386_32.S to support old binutils and be cleaner
The old code didn't work on binutils 2.12 because setting a symbol to
a register apparently requires a fairly recent version.

This commit refactors the code to use the C preprocessor instead, and
in the process makes the whole code a bit easier to understand.

The object code produced is unchanged as expected.

This fixes kernel bugzilla 16506.

Reported-by: Dieter Stussy <kd6lvw+software@kd6lvw.ampr.org>
Signed-off-by: Luca Barbieri <luca@luca-barbieri.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: <stable@kernel.org> 2.6.35
LKML-Reference: <tip-*@git.kernel.org>
2010-08-11 21:03:28 -07:00
Marek Vasut ef077179a2 ARM: Fix gen_nand probe structures contents
These three platforms didn't properly fill nr_chips in gen_nand 
registration and therefore depended on gen_nand bug fixed by commit 
81cbb0b177 ("mtd: gen_nand: fix support for 
multiple chips")

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-08-12 02:21:18 +01:00
Linus Torvalds 5af568cbd5 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  isofs: Fix lseek() to position beyond 4 GB
  vfs: remove unused MNT_STRICTATIME
  vfs: show unreachable paths in getcwd and proc
  vfs: only add " (deleted)" where necessary
  vfs: add prepend_path() helper
  vfs: __d_path: dont prepend the name of the root dentry
  ia64: perfmon: add d_dname method
  vfs: add helpers to get root and pwd
  cachefiles: use path_get instead of lone dget
  fs/sysv/super.c: add support for non-PDP11 v7 filesystems
  V7: Adjust sanity checks for some volumes
  Add v7 alias
  v9fs: fixup for inode_setattr being removed

Manual merge to take Al's version of the fs/sysv/super.c file: it merged
cleanly, but Al had removed an unnecessary header include, so his side
was better.
2010-08-11 09:23:32 -07:00
Linus Torvalds 946880fa27 Merge branch 'ixp4xx' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6
* 'ixp4xx' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6:
  IXP4xx: Fix LL debugging on little-endian CPU.
  IXP4xx: Fix sparse warnings in I/O primitives.
  IXP4xx: Make mdio_bus struct static in the Ethernet driver.
  IXP4xx: Fix ixp4xx_crypto little-endian operation.
  IXP4xx: Prevent HSS transmitter lockup by disabling FRaMe signals.
  ixp4xx/vulcan: add PCI support
  ixp4xx: base support for Arcom Vulcan
2010-08-11 09:17:27 -07:00
Linus Torvalds 636d17427b Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (226 commits)
  ARM: 6323/1: cam60: don't use __init for cam60_spi_{flash_platform_data,partitions}
  ARM: 6324/1: cam60: move cam60_spi_devices to .init.data
  ARM: 6322/1: imx/pca100: Fix name of spi platform data
  ARM: 6321/1: fix syntax error in main Kconfig file
  ARM: 6297/1: move U300 timer to dynamic clock lookup
  ARM: 6296/1: clock U300 intcon and timer properly
  ARM: 6295/1: fix U300 apb_pclk split
  ARM: 6306/1: fix inverted MMC card detect in U300
  ARM: 6299/1: errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID
  ARM: 6294/1: etm: do a dummy read from OSSRR during initialization
  ARM: 6292/1: coresight: add ETM management registers
  ARM: 6288/1: ftrace: document mcount formats
  ARM: 6287/1: ftrace: clean up mcount assembly indentation
  ARM: 6286/1: fix Thumb-2 decompressor broken by "Auto calculate ZRELADDR"
  ARM: 6281/1: video/imxfb.c: allow usage without BACKLIGHT_CLASS_DEVICE
  ARM: 6280/1: imx: Fix build failure when including <mach/gpio.h> without <linux/spinlock.h>
  ARM: S5PV210: Fix on missing s3c-sdhci card detection method for hsmmc3
  ARM: S5P: Fix on missing S5P_DEV_FIMC in plat-s5p/Kconfig
  ARM: S5PV210: Override FIMC driver name on Aquila board
  ARM: S5PC100: enable FIMC on SMDKC100
  ...

Fix up conflicts in arch/arm/mach-{s5pc100,s5pv210}/cpu.c due to
different subsystem 'setname' calls, and trivial port types in
include/linux/serial_core.h
2010-08-11 09:13:19 -07:00
TAMUKI Shoichi c7ff0d9c92 panic: keep blinking in spite of long spin timer mode
To keep panic_timeout accuracy when running under a hypervisor, the
current implementation only spins on long time (1 second) calls to mdelay.
 That brings a good effect, but the problem is the keyboard LEDs don't
blink at all on that situation.

This patch changes to call to panic_blink_enter() between every mdelay and
keeps blinking in spite of long spin timer mode.

The time to call to mdelay is now 100ms.  Even this change will keep
panic_timeout accuracy enough when running under a hypervisor.

Signed-off-by: TAMUKI Shoichi <tamuki@linet.gr.jp>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Cc: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:22 -07:00
FUJITA Tomonori 3b9c6c11f5 dma-mapping: remove dma_is_consistent API
Architectures implement dma_is_consistent() in different ways (some
misinterpret the definition of API in DMA-API.txt).  So it hasn't been so
useful for drivers.  We have only one user of the API in tree.  Unlikely
out-of-tree drivers use the API.

Even if we fix dma_is_consistent() in some architectures, it doesn't look
useful at all.  It was invented long ago for some old systems that can't
allocate coherent memory at all.  It's better to export only APIs that are
definitely necessary for drivers.

Let's remove this API.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:21 -07:00
FUJITA Tomonori 7896bfa451 dma-mapping: parisc: set ARCH_DMA_MINALIGN
Architectures that handle DMA-non-coherent memory need to set
ARCH_DMA_MINALIGN to make sure that kmalloc'ed buffer is DMA-safe: the
buffer doesn't share a cache with the others.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:21 -07:00
FUJITA Tomonori 4565f0170d dma-mapping: unify dma_get_cache_alignment implementations
dma_get_cache_alignment returns the minimum DMA alignment.  Architectures
defines it as ARCH_DMA_MINALIGN (formally ARCH_KMALLOC_MINALIGN).  So we
can unify dma_get_cache_alignment implementations.

Note that some architectures implement dma_get_cache_alignment wrongly.
dma_get_cache_alignment() should return the minimum DMA alignment.  So
fully-coherent architectures should return 1.  This patch also fixes this
issue.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:21 -07:00
FUJITA Tomonori a6eb9fe105 dma-mapping: rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN
Now each architecture has the own dma_get_cache_alignment implementation.

dma_get_cache_alignment returns the minimum DMA alignment.  Architectures
define it as ARCH_KMALLOC_MINALIGN (it's used to make sure that malloc'ed
buffer is DMA-safe; the buffer doesn't share a cache with the others).  So
we can unify dma_get_cache_alignment implementations.

This patch:

dma_get_cache_alignment() needs to know if an architecture defines
ARCH_KMALLOC_MINALIGN or not (needs to know if architecture has DMA
alignment restriction).  However, slab.h define ARCH_KMALLOC_MINALIGN if
architectures doesn't define it.

Let's rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN.
ARCH_KMALLOC_MINALIGN is used only in the internals of slab/slob/slub
(except for crypto).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:21 -07:00
Maurus Cuelenaere daf695fca8 arm: samsung: remove pixclock from several boards
Since "s3c-fb: Automatically calculate pixel clock when none is given",
there's no need for manually calculating the pixel clock anymore so remove
these lines and add the correct refresh rate where appropriately.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Cc: Pawel Osciak <p.osciak@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: InKi Dae <inki.dae@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:12 -07:00
Pawel Osciak 04ab9ef977 s3c-fb: add support for DMA channel control on S5PV210
S5PV210 SoCs allow enabling/disabling DMA channels per window.  For a
window to display data from framebuffer memory, its channel has to be
enabled.

Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: InKi Dae <inki.dae@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:12 -07:00
Pawel Osciak f5ec546f1f s3c-fb: add SHADOWCON shadow register locking support for S5PV210
S5PV210 allows per-window locking of register value updates from shadow
registers.

Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: InKi Dae <inki.dae@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:11 -07:00
Pawel Osciak efdc846d2f s3c-fb: add wait for VSYNC ioctl
Add VSYNC interrupt support and an ioctl that allows waiting for it.
Interrupts are turned on only when needed.

Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: InKi Dae <inki.dae@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:10 -07:00
Pawel Osciak 067b226b9e s3c-fb: add support for display panning
Supports all bpp modes.

The PRTCON register is used to disable in-hardware updates of registers
that store start and end addresses of framebuffer memory.  This prevents
display corruption in case we do not make it before VSYNC with updating
them atomically.  With this feature there is no need to wait for a VSYNC
interrupt before each such update.

Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: InKi Dae <inki.dae@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:10 -07:00
Pawel Osciak eb42b0441b s3c-fb: add device name initialization
Add framebuffer device name initialization calls for S3C2443, S3C64xx and
S5P machines.

Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: InKi Dae <inki.dae@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:10 -07:00
Pawel Osciak 9fa424a401 s3c-fb: correct FRAMESEL1 bitfield defines for VIDINTCON0 register
FRAMESEL1 bitfield starts on 13th bit, not on 14th.

Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Cc: InKi Dae <inki.dae@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:10 -07:00
Ben Dooks bc2da1b6fb s3c-fb: integrate palette setup code into main driver
Remove the palette setup code from the header files and put it into the
main driver.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Cc: InKi Dae <inki.dae@samsung.com>
Cc: KyungMin Park <kyungmin.park.samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:10 -07:00
Ben Dooks c4bb6ffa77 s3c-fb: udpate to support s3c2416/s3c2443 style hardware
Update the variant and window variant structures with the necessary
changes to support the older style of hardware where these are not in the
same place.

Add the support for the s3c2443/s3c2416 hardware by using the
platform-device s3c2443 to cover both, and add the initialisation data for
these.

Also change to including just the v4 header files for the moment until the
last of the merging of these is sorted out.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Cc: InKi Dae <inki.dae@samsung.com>
Cc: KyungMin Park <kyungmin.park.samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:10 -07:00
Ben Dooks 50a5503a92 s3c-fb: initial move to unifying the header files
Remove the various header files that configure this driver and use the
platform device name to select the correct configuration at probe time.

Currently this does not remove the header files, only updates the driver
and the relevant platform files.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Cc: InKi Dae <inki.dae@samsung.com>
Cc: KyungMin Park <kyungmin.park.samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:10 -07:00
InKi Dae dc8498c00f s3c-fb: fix distortedness situation for the mode more then 24bpp
It has been working fine at 16bpp but in case of pixel format more then
24bpp it would occur distortedness situation on that mode.  so this patch
set the word swap control bit of WINCONx to 1 as default value.  but it
should be set to 0 in case that each ENLOCAL bit of WINCON0 ~ 2 registers
is enabled.  this issue would be solved with local path feature soon.

Signed-off-by: InKi Dae <inki.dae@samsung.com>
Reviewed-by: KyungMin Park <kyungmin.park.samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:09 -07:00
InKi Dae ad04490a17 s3c-fb: add default window feature.
s5pv210 has five window layers (window0 ~ 4), among them, window0 ~ 2
could be used for local path with fimc(capture device) and fimd writeback
feature so this patch makes default window layer for UI to be set at
machine code.

Signed-off-by: InKi Dae <inki.dae@samsung.com>
Reviewed-by: KyungMin Park <kyungmin.park.samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:09 -07:00
Roy Zang 447bd47910 dts: add ESDHC weird voltage bits workaround
P4080 ESDHC controller does not support 1.8V and 3.0V voltage.  but the
host controller capabilities register wrongly set the bits.  This patch
adds the workaround to correct the weird voltage setting bits.  Only 3.3V
voltage is supported for P4080 ESDHC controller.

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Cc: Jerry Huang <Chang-Ming.Huang@freescale.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:05 -07:00
Roy Zang 05e57eec23 dts: add sdhci,auto-cmd12 field for p4080 device tree
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Cc: Jerry Huang <Chang-Ming.Huang@freescale.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:05 -07:00
Grazvydas Ignotas ed199f7e73 omap: pandora: pass wl1251 information to SDIO core
Pandora has TI WL1251 attached on MMC3, which is non-standard SDIO chip.
Make use MMC_QUIRK_NONSTD_SDIO to tell SDIO core about it.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Bob Copeland <me@bobcopeland.com>
Cc: Kalle Valo <kvalo@adurom.com>
Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: Kishore Kadiyala <kishore.kadiyala@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:04 -07:00
Grazvydas Ignotas 4816858cce omap_hsmmc: add init_card pass-through callback
This will allow us to set up special cards in machine drivers just after
they are detected by MMC core.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Bob Copeland <me@bobcopeland.com>
Cc: Kalle Valo <kvalo@adurom.com>
Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: Kishore Kadiyala <kishore.kadiyala@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:04 -07:00
Chris Metcalf b77c49ab6d arch/tile: support new kunmap_atomic() naming convention.
See commit 597781f3e5.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2010-08-11 10:54:13 -04:00
FUJITA Tomonori bae918ac28 tile: remove unused ISA_DMA_THRESHOLD define
No need to define ISA_DMA_THRESHOLD

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
[cmetcalf@tilera.com: converted to a single-line #include file]
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2010-08-11 10:38:06 -04:00
Rusty Russell d6d1b650ae param: simple locking for sysfs-writable charp parameters
Since the writing to sysfs can free the old one, we need to block that
when we access the charp variables.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Dan Williams <dcbw@redhat.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: Jing Huang <huangj@brocade.com>
Cc: James E.J. Bottomley <James.Bottomley@suse.de>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: user-mode-linux-devel@lists.sourceforge.net
Cc: libertas-dev@lists.infradead.org
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-scsi@vger.kernel.org
Cc: linux-usb@vger.kernel.org
2010-08-11 23:04:31 +09:30
Namhyung Kim 8fd49936a8 x86: Document __phys_reloc_hide() usage in __pa_symbol()
Until all supported versions of gcc recognize
-fno-strict-overflow, we should keep the RELOC_HIDE() magic in
__pa_symbol(). Comment it.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
LKML-Reference: <1281508661-29507-1-git-send-email-namhyung@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-08-11 08:43:49 +02:00
Miklos Szeredi 7ae6bdbd9b ia64: perfmon: add d_dname method
Switch ia64/perfmon to using the d_dname() instead of relying on
__d_path() to prepend the name of the root dentry to the path.

CC: Tony Luck <tony.luck@intel.com>
CC: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-08-11 00:28:21 -04:00
Wan ZongShun ededad3e6f i2c/nuc900: add i2c driver support for nuc900
This patch is to add i2c driver support for nuc900.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.org>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Reviewed-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-08-11 00:34:38 +01:00
Linus Torvalds 8cbd84f2dd x86: fix up system call numbering nit
As pointed out by Jiri Slaby: when I resolved the the 32-bit x85 system
call entry tables for prlimit (due to the conflict with fanotify), I
forgot to add the numbering in comments that we do for every fifth entry.

Reported-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-10 15:35:10 -07:00
Linus Torvalds 2f9e825d3e Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block: (149 commits)
  block: make sure that REQ_* types are seen even with CONFIG_BLOCK=n
  xen-blkfront: fix missing out label
  blkdev: fix blkdev_issue_zeroout return value
  block: update request stacking methods to support discards
  block: fix missing export of blk_types.h
  writeback: fix bad _bh spinlock nesting
  drbd: revert "delay probes", feature is being re-implemented differently
  drbd: Initialize all members of sync_conf to their defaults [Bugz 315]
  drbd: Disable delay probes for the upcomming release
  writeback: cleanup bdi_register
  writeback: add new tracepoints
  writeback: remove unnecessary init_timer call
  writeback: optimize periodic bdi thread wakeups
  writeback: prevent unnecessary bdi threads wakeups
  writeback: move bdi threads exiting logic to the forker thread
  writeback: restructure bdi forker loop a little
  writeback: move last_active to bdi
  writeback: do not remove bdi from bdi_list
  writeback: simplify bdi code a little
  writeback: do not lose wake-ups in bdi threads
  ...

Fixed up pretty trivial conflicts in drivers/block/virtio_blk.c and
drivers/scsi/scsi_error.c as per Jens.
2010-08-10 15:22:42 -07:00
Russell King 0b019a4155 Merge branches 'master' and 'devel' into for-linus
Conflicts:
	arch/arm/Kconfig
	arch/arm/mm/Kconfig
2010-08-10 23:17:52 +01:00