Commit Graph

40087 Commits

Author SHA1 Message Date
Olof Johansson
f56ab498db powerpc: pasemi_defconfig update
pasemi_defconfig hasn't been updated for a year.

Mostly a refresh of defaults, but this also disables 64K pages.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-11-11 15:44:02 +11:00
Benjamin Herrenschmidt
f74400aed9 Merge commit 'kumar/merge' into merge 2009-11-11 15:43:25 +11:00
Linus Torvalds
aa907639f1 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:
  sparc: Move of_set_property_mutex acquisition outside of devtree_lock grab.
  sparc64: replace parentheses in pmul()
  sparc64: Add a comment about why we only use certain memory barriers these days.
2009-11-09 09:51:15 -08:00
Linus Torvalds
a314b0cf8c Merge branch 'sh/for-2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
  sh: Replace old style lock initializer
  sh: Account for cache aliases in flush_icache_range()
  sh: unwinder: Fix up invalid PC refetch in dwarf unwinder.
  serial: sh-sci: disable callback typo fix
2009-11-09 09:49:58 -08:00
Thomas Gleixner
969e46a853 sh: Replace old style lock initializer
SPIN_LOCK_UNLOCKED is deprecated. Use __SPIN_LOCK_UNLOCKED instead.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-sh@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-11-09 10:47:40 +09:00
Matt Fleming
a9d244a2ff sh: Account for cache aliases in flush_icache_range()
The icache may also contain aliases so we must account for them just
like we do when manipulating the dcache. We usually get away with
aliases in the icache because the instructions that are read from memory
are read-only, i.e. they never change. However, the place where this
bites us is when the code has been modified.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-11-09 10:45:30 +09:00
David S. Miller
1c9d80ddc6 sparc: Move of_set_property_mutex acquisition outside of devtree_lock grab.
Otherwise we try to sleep with preemption disabled, etc.

Noticed by Thomas Gleixner.

Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-08 17:41:20 -08:00
Hirokazu Takata
a556bec995 m32r: fix arch/m32r/boot/compressed/Makefile
- Fix a comment string
- Fix a typo of $(suffix-y)

Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2009-11-09 09:00:50 +09:00
Roel Kluin
88b938e63e sparc64: replace parentheses in pmul()
`>>' has a higher precedence than `?' so src2 evaluated to
either 16 or 0 dependent on the bits set in rs2.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-08 00:26:56 -08:00
Paul Mundt
421b541110 sh: unwinder: Fix up invalid PC refetch in dwarf unwinder.
The dwarf unwinder presently attempts to provide a sane PC value if none
is provided, however the logic is broken and cases where a previous valid
dwarf frame exists along with a bogus PC value can still proceed. This
fixes up the test and prevents the unwinder from blowing up.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-11-06 17:23:33 +09:00
David S. Miller
4eb0c00b62 sparc64: Add a comment about why we only use certain memory barriers these days.
Based upon feedback from Mathieu Desnoyers.

Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-05 20:24:33 -08:00
Linus Torvalds
7c9abfb884 Merge branch 'kvm-updates/2.6.32' of git://git.kernel.org/pub/scm/virt/kvm/kvm
* 'kvm-updates/2.6.32' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: get_tss_base_addr() should return a gpa_t
  KVM: x86: Catch potential overrun in MCE setup
2009-11-05 13:24:15 -08:00
Linus Torvalds
1bbc9a66d0 Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/kvm: Remove problematic BUILD_BUG_ON statement
  powerpc/pci: Fix regression in powerpc MSI-X
  powerpc: Avoid giving out RTC dates below EPOCH
  powerpc/mm: Remove debug context clamping from nohash code
  powerpc: Cleanup Kconfig selection of hugetlbfs support
2009-11-05 13:22:49 -08:00
Chris Lalancette
2c75910f1a x86: Make sure get_user_desc() doesn't sign extend.
The current implementation of get_user_desc() sign extends the return
value because of integer promotion rules.  For the most part, this
doesn't matter, because the top bit of base2 is usually 0.  If, however,
that bit is 1, then the entire value will be 0xffff...  which is
probably not what the caller intended.

This patch casts the entire thing to unsigned before returning, which
generates almost the same assembly as the current code but replaces the
final "cltq" (sign extend) with a "mov %eax %eax" (zero-extend).  This
fixes booting certain guests under KVM.

Signed-off-by: Chris Lalancette <clalance@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-11-05 13:22:18 -08:00
Linus Torvalds
9a6fc8d0f8 Merge branch 'bugfix' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen
* 'bugfix' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen:
  xen: mask extended topology info in cpuid
  xen/hvc: make sure console output is always emitted, with explicit polling
2009-11-05 10:58:07 -08:00
Linus Torvalds
608221fdf9 Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  sched: Fix kthread_bind() by moving the body of kthread_bind() to sched.c
  sched: Disable SD_PREFER_LOCAL at node level
  sched: Fix boot crash by zalloc()ing most of the cpu masks
  sched: Strengthen buddies and mitigate buddy induced latencies
2009-11-05 10:56:47 -08:00
Linus Torvalds
411094acb7 Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, fs: Fix x86 procfs stack information for threads on 64-bit
  x86: Add reboot quirk for 3 series Mac mini
  x86: Fix printk message typo in mtrr cleanup code
  dma-debug: Fix compile warning with PAE enabled
  x86/amd-iommu: Un__init function required on shutdown
  x86/amd-iommu: Workaround for erratum 63
2009-11-05 10:54:08 -08:00
Kumar Gala
e9bcf1418c powerpc: 2.6.32 update of defconfigs for embedded 6xx/7xxx, 8xx, 8{3,5,6}xxx
Updated mpc85xx_{smp_}defconfig to enable:
* XES_MPC85xx board
* PCI MSI
* RapidIO

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2009-11-05 08:26:38 -06:00
Kim Phillips
114785a619 powerpc/8xxx: enable IPsec ESP by default on mpc83xx/mpc85xx
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2009-11-05 08:19:25 -06:00
Anton Vorontsov
850f785a1f powerpc/83xx: Fix u-boot partion size for MPC8377E-WLAN boards
u-boot partition size should be 0x80000 (512 KB), not 0x8000 (32 KB).

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2009-11-05 07:18:10 -06:00
Anton Vorontsov
a070e66ae8 powerpc/85xx: Fix USB GPIOs for MPC8569E-MDS boards
This patch fixes USB GPIOs numbers for MPC8569E-MDS boards, plus
according to the latest HW Getting Started Guide (rev 3.3, pilot
boards), USB "POWER" GPIO polarity has changed, it is no longer
inverted.

This patch makes USB Host somewhat work on pilot boards, though
there are still some problems with determining devices speed and
long bulk transfers.

Reported-by: Liu Yu <Yu.Liu@freescale.com>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2009-11-05 07:18:08 -06:00
Roel Kluin
58459a4e19 powerpc/82xx: kmalloc failure ignored in ep8248e_mdio_probe()
Prevent NULL dereference if kmalloc() fails. Also clean up if
of_mdiobus_register() returns an error.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2009-11-05 07:18:00 -06:00
Paul Gortmaker
cb5485a0b9 powerpc/85xx: sbc8548 - fixup of PCI-e related DTS fields
The PCI-e addressing was originally patterned of the MPC8548CDS
which has PCI1, PCI2, and PCI-e.  Since this board only has
PCI1 and PCI-e, it makes more sense to be similar to the MPC8568MDS
board.  This does that by cutting the PCI/PCI-e I/O sizes from
16MB to 8MB and pulling the PCI-e I/O range back to 0xe280_0000
(the hole where PCI2 I/O would have been).

This also fixes a typo where an extra zero made an 8MB range a 128MB
range, removes the hole left by PCI2 from the aliases, and sets the
clocks to match the oscillators that are actually on the board.

With accompanying u-boot updates, PCI-e has been validated with
both a sky2 card (1148:9e00) and an e1000 card (8086:108b).

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2009-11-05 07:16:54 -06:00
Benjamin Herrenschmidt
38634e6769 powerpc/kvm: Remove problematic BUILD_BUG_ON statement
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-11-05 17:10:34 +11:00
Andre Detsch
8435b027b8 powerpc/pci: Fix regression in powerpc MSI-X
Patch f598282f51 exposed a problem in
powerpc MSI-X functionality, making network interfaces such as ixgbe
and cxgb3 stop to work when MSI-X is enabled. RX interrupts were not
being generated.

The problem was caused because MSI irq was not being effectively
unmasked after device initialization.

Signed-off-by: Andre Detsch <adetsch@br.ibm.com>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-11-05 17:06:27 +11:00
Benjamin Herrenschmidt
978d7eb31d powerpc: Avoid giving out RTC dates below EPOCH
Doing so causes xtime to be negative which crashes the timekeeping
code in funny ways when doing suspend/resume

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-11-05 17:06:21 +11:00
Benjamin Herrenschmidt
f1167fb318 powerpc/mm: Remove debug context clamping from nohash code
I inadvertently left that debug code enabled, causing the number of
contexts to be clamped to 31 which is going to slow things down on
4xx and just plain breaks 8xx

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-11-05 16:41:59 +11:00
Gleb Natapov
abb3911965 KVM: get_tss_base_addr() should return a gpa_t
If TSS we are switching to resides in high memory task switch will fail
since address will be truncated. Windows2k3 does this sometimes when
running with more then 4G

Cc: stable@kernel.org
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2009-11-04 12:42:36 -02:00
Jan Kiszka
a9e38c3e01 KVM: x86: Catch potential overrun in MCE setup
We only allocate memory for 32 MCE banks (KVM_MAX_MCE_BANKS) but we
allow user space to fill up to 255 on setup (mcg_cap & 0xff), corrupting
kernel memory. Catch these overflows.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2009-11-04 12:42:35 -02:00
Stefani Seibold
89240ba059 x86, fs: Fix x86 procfs stack information for threads on 64-bit
This patch fixes two issues in the procfs stack information on
x86-64 linux.

The 32 bit loader compat_do_execve did not store stack
start. (this was figured out by Alexey Dobriyan).

The stack information on a x64_64 kernel always shows 0 kbyte
stack usage, because of a missing implementation of the KSTK_ESP
macro which always returned -1.

The new implementation now returns the right value.

Signed-off-by: Stefani Seibold <stefani@seibold.net>
Cc: Americo Wang <xiyou.wangcong@gmail.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <1257240160.4889.24.camel@wall-e>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-11-04 13:25:03 +01:00
Roel Kluin
45cdd47330 m32r: Should index be positive?
Index `ipi_num' is signed, test whether it is negative to
make sure we don't get a negative array element.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2009-11-04 08:39:26 +09:00
Hirokazu Takata
337214e8c6 m32r: bzip2/lzma kernel compression support
- Support bzip2 and lzma kernel compression for m32r.
- Clean up arch/m32r/boot/compressed/misc.c.

Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2009-11-04 08:37:33 +09:00
Hirokazu Takata
e968b8d404 m32r: add NOTES to vmlinux.lds.S to remove .note.gnu.build-id section
Building with --build-id option, .note.gnu.build-id section is added
to vmlinux.bin.  But some old buggy binutils creates a huge vmlinux.bin,
and a bootloader fails to boot its zImage as well.

This patch adds a NOTES macro to a linker script vmlinux.ld.S to put
.note.gnu.build-id section into .note section.
Then, the .note section will be removed, because "-R .note" option is
specified in OBJCOPYFLAGS to make a vmlinux.bin binary.

Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2009-11-04 08:33:23 +09:00
Julia Lawall
560235857f arch/m32r: Use DIV_ROUND_CLOSEST
The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d
but is perhaps more readable.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@haskernel@
@@

@depends on haskernel@
expression x,__divisor;
@@

- (((x) + ((__divisor) / 2)) / (__divisor))
+ DIV_ROUND_CLOSEST(x,__divisor)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
2009-11-04 08:31:50 +09:00
Linus Torvalds
79051db9ae Merge branch 'for-linus' of git://github.com/at91linux/linux-2.6-at91
* 'for-linus' of git://github.com/at91linux/linux-2.6-at91:
  at91: at91sam9g45 family: identify several chip versions
  avr32: add two new at91 to cpu.h definition
2009-11-03 11:15:25 -08:00
Jeremy Fitzhardinge
82d6469916 xen: mask extended topology info in cpuid
A Xen guest never needs to know about extended topology, and knowing
would just confuse it.

This patch just zeros ebx in leaf 0xb which indicates no topology info,
preventing a crash under Xen on cpus which support this leaf.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stable Kernel <stable@kernel.org>
2009-11-03 11:09:12 -08:00
Nicolas Ferre
d8951adeba at91: at91sam9g45 family: identify several chip versions
cpu_is_xxx() macros are identifying generic at91sam9g45 chip. This patch adds
the capacity to differentiate Engineering Samples and final lots through the
inclusion of  at91_cpu_fully_identify() and the related chip IDs with chip
version field preserved.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2009-11-03 18:42:31 +01:00
Nicolas Ferre
2f5d46d2f6 avr32: add two new at91 to cpu.h definition
Somme common drivers will need those at91 cpu_is_xxx() definitions. As
at91sam9g10 and at91sam9g45 are on the way to linus' tree, here is the patch
that adds those chips to cpu.h in AVR32 architecture.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-11-03 18:36:35 +01:00
Linus Torvalds
9ddfd92909 Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (38 commits)
  MIPS: O32: Fix ppoll
  MIPS: Oprofile: Rename cpu_type from godson2 to loongson2
  MIPS: Alchemy: Fix hang with high-frequency edge interrupts
  MIPS: TXx9: Fix spi-baseclk value
  MIPS: bcm63xx: Set the correct BCM3302 CPU name
  MIPS: Loongson 2: Set cpu_has_dc_aliases and cpu_icache_snoops_remote_store
  MIPS: Avoid potential hazard on Context register
  MIPS: Octeon: Use lockless interrupt controller operations when possible.
  MIPS: Octeon: Use write_{un,}lock_irq{restore,save} to set irq affinity
  MIPS: Set S-cache linesize to 64-bytes for MTI's S-cache
  MIPS: SMTC: Avoid queing multiple reschedule IPIs
  MIPS: GCMP: Avoid accessing registers when they are not present
  MIPS: GIC: Random fixes and enhancements.
  MIPS: CMP: Fix memory barriers for correct operation of amon_cpu_start
  MIPS: Fix abs.[sd] and neg.[sd] emulation for NaN operands
  MIPS: SPRAM: Clean up support code a little
  MIPS: 1004K: Enable SPRAM support.
  MIPS: Malta: Enable PCI 2.1 compatibility in PIIX4
  MIPS: Kconfig: Fix duplicate default value for MIPS_L1_CACHE_SHIFT.
  MIPS: MTI: Fix accesses to device registers on MIPS boards
  ...
2009-11-03 08:09:57 -08:00
Ingo Molnar
1d87cff407 Merge branch 'iommu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent 2009-11-03 16:54:14 +01:00
Linus Torvalds
fcef24d38e Merge branch 'fixes-s3c-2632-rc5' of git://git.fluff.org/bjdooks/linux
* 'fixes-s3c-2632-rc5' of git://git.fluff.org/bjdooks/linux:
  ARM: S3C2410: Fix sparse warnings in arch/arm/mach-s3c2410/gpio.c
  ARM: S3C2440: mini2440: Fix spare warnings
  ARM: S3C24XX: Fix warnings in arch/arm/plat-s3c24xx/gpio.c
  ARM: S3C2440: mini2440: Fix missing CONFIG_S3C_DEV_USB_HOST
  ARM: S3C24XX: arch/arm/plat-s3c24xx: Move dereference after NULL test
  ARM: S3C: Fix adc function exports
  ARM: S3C2410: Fix link if CONFIG_S3C2410_IOTIMING is not set
  ARM: S3C24XX: Introduce S3C2442B CPU
  ARM: S3C24XX: Define a macro to avoid compilation error
  ARM: S3C: Add info for supporting circular DMA buffers
  ARM: S3C64XX: Set rate of crystal mux
  ARM: S3C64XX: Fix S3C64XX_CLKDIV0_ARM_MASK value
2009-11-03 07:46:05 -08:00
Joerg Roedel
342688f9db Merge branches 'amd-iommu/fixes' and 'dma-debug/fixes' into iommu/fixes 2009-11-03 12:05:40 +01:00
Mike Galbraith
6b9de613ae sched: Disable SD_PREFER_LOCAL at node level
Yanmin Zhang reported that SD_PREFER_LOCAL induces an order of
magnitude increase in select_task_rq_fair() overhead while
running heavy wakeup benchmarks (tbench and vmark).

Since SD_BALANCE_WAKE is off at node level, turn SD_PREFER_LOCAL
off as well pending further investigation.

Reported-by: Zhang, Yanmin <yanmin_zhang@linux.intel.com>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-11-03 07:24:07 +01:00
Linus Torvalds
333a07437c 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:
  Revert "[IA64] fix percpu warnings"
  [IA64] fix percpu warnings
  [IA64] SMT friendly version of spin_unlock_wait()
  [IA64] use printk_once() unaligned.c/io_common.c
  [IA64] Require SAL 3.2 in order to do extended config space ops
  [IA64] unsigned cannot be less than 0 in sn_hwperf_ioctl()
  [IA64] Restore registers in the stack on INIT
  [IA64] Re-implement spinaphores using ticket lock concepts
  [IA64] Squeeze ticket locks back into 4 bytes.
2009-11-02 10:22:25 -08:00
Linus Torvalds
c35102c3e1 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:
  ARM: ensure initial page tables are setup for SMP systems
  ARM: 5776/1: Check compiler version and EABI support when adding ARM unwind support.
  ARM: 5774/1: Fix Realview ARM1176PB board reboot
  ARM: Fix errata 411920 workarounds
  ARM: Fix sparsemem with SPARSEMEM_EXTREME enabled
  ARM: Use GFP_DMA only for masks _less_ than 32-bit
  ARM: integrator: allow Integrator to be built with highmem
  ARM: Fix signal restart issues with NX and OABI compat
2009-11-02 09:53:19 -08:00
Linus Torvalds
efcd9e0b91 Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86: Make EFI RTC function depend on 32bit again
  x86-64: Fix register leak in 32-bit syscall audting
  x86: crash_dump: Fix non-pae kdump kernel memory accesses
  x86: Side-step lguest problem by only building cmpxchg8b_emu for pre-Pentium
  x86: Remove STACKPROTECTOR_ALL
2009-11-02 09:45:17 -08:00
Tony Luck
e8c93fc7b7 Revert "[IA64] fix percpu warnings"
This reverts commit b94b08081f.

genksyms currently cannot handle complicated types for exported
percpu variables.  Drop this patch for now as it prevents a
module from being loaded on sn2 systems:

 xpc: no symbol version for per_cpu____sn_cnodeid_to_nasid
 xpc: Unknown symbol per_cpu____sn_cnodeid_to_nasid

Signed-off-by: Tony Luck <tony.luck@intel.com>
2009-11-02 09:23:08 -08:00
Russell King
4b46d64165 ARM: ensure initial page tables are setup for SMP systems
Mapping the same memory using two different attributes (memory
type, shareability, cacheability) is unpredictable.  During boot,
we encounter a situation when we're updating the kernel's page
tables which can lead to dirty cache lines existing in the cache
which are subsequently missed.  This causes stack corruption,
and therefore a crash.

Therefore, ensure that the shared and cacheability settings
matches the configuration that will be used later; this together
with the restriction in early_cachepolicy() ensures that we won't
create a mismatch during boot.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-11-02 16:59:59 +00:00
Claudio Scordino
6603a4fd51 ARM: 5776/1: Check compiler version and EABI support when adding ARM unwind support.
ARM unwind is known to compile only with EABI and not-buggy compilers.
The problem is not the unwinding information but the -fno-frame-pointer
option added as a result of !CONFIG_FRAME_POINTER.  Now we check the
compiler and raise a #warning in case of wrong compiler.

Signed-off-by: Claudio Scordino <claudio@evidence.eu.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-11-02 16:59:45 +00:00
Gottfried Haider
05154752cf x86: Add reboot quirk for 3 series Mac mini
Reboot does not work out of the box on my "Early 2009" Mac mini
(3,1). Detect this machine via DMI as we do for recent MacBooks.

Signed-off-by: Gottfried Haider <gottfried.haider@gmail.com>
Cc: Ozan Çağlayan <ozan@pardus.org.tr>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-11-02 15:46:17 +01:00