Loic Prylli d25c1ba2fa MTRR: Fix race causing set_mtrr to go into infinite loop ...

Processors synchronization in set_mtrr requires the .gate field to be set
after .count field is properly initialized.  Without an explicit barrier,
the compiler was reordering those memory stores.  That was sometimes
causing a processor (in ipi_handler) to see the .gate change and decrement
.count before the latter is set by set_mtrr() (which then hangs in a
infinite loop with irqs disabled).

Signed-off-by: Loic Prylli <loic@myri.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2007-07-06 10:23:43 -07:00

..

alpha

alpha: fix alignment problem in csum_ipv6_magic()

2007-06-24 08:59:11 -07:00

arm

[ARM] always allow dump_stack() to produce a backtrace

2007-07-05 19:59:51 +01:00

arm26

all-archs: consolidate .data section definition in asm-generic

2007-05-19 09:11:57 +02:00

avr32

[AVR32] Update defconfigs

2007-06-23 15:43:48 +02:00

blackfin

Blackfin arch: update board defconfig files

2007-07-02 13:49:15 +08:00

cris

Fix trivial typos in Kconfig* files

2007-05-09 07:12:20 +02:00

frv

all-archs: consolidate .data section definition in asm-generic

2007-05-19 09:11:57 +02:00

h8300

h8300 trival patches

2007-06-01 08:18:29 -07:00

i386

MTRR: Fix race causing set_mtrr to go into infinite loop

2007-07-06 10:23:43 -07:00

ia64

[IA64] Make SN2 PCI code use ioremap rather than manually mangle the address

2007-06-26 13:35:45 -07:00

m32r

all-archs: consolidate .data section definition in asm-generic

2007-05-19 09:11:57 +02:00

m68k

x86_64: Quieten Atari keyboard warnings in Kconfig

2007-06-20 14:27:26 -07:00

m68knommu

m68knommu: fix ColdFire timer off by 1

2007-06-08 17:23:32 -07:00

mips

[MIPS] VSMP: Fix initialization ordering bug.

2007-07-04 15:53:16 +01:00

parisc

[PARISC] unwinder improvements

2007-06-21 17:46:22 -04:00

powerpc

[POWERPC] Update defconfigs

2007-07-02 00:04:36 -05:00

ppc

potential parse error in ifdef part 3

2007-06-08 17:23:33 -07:00

s390

[S390] Add oops_enter()/oops_exit() calls to die().

2007-06-19 13:10:20 +02:00

sh

sh: Handle -ERESTART_RESTARTBLOCK for restartable syscalls.

2007-06-19 12:33:21 +09:00

sh64

sh64: Handle -ERESTART_RESTARTBLOCK for restartable syscalls.

2007-06-19 12:41:32 +09:00

sparc

[SPARC32]: Build fix.

2007-05-31 01:52:51 -07:00

sparc64

[SPARC64]: Need to set state to IDLE during sun4v IRQ enable.

2007-06-26 00:13:31 -07:00

um

uml: remove PAGE_SIZE from libc code

2007-06-16 13:16:16 -07:00

v850

all-archs: consolidate .data section definition in asm-generic

2007-05-19 09:11:57 +02:00

x86_64

x86_64 irq: use mask/unmask and proper locking in fixup_irqs()

2007-06-26 16:54:29 -07:00

xtensa

[XTENSA] Remove non-rt signal handling

2007-05-31 17:49:32 -07:00