linux-stable-rt/arch/x86
Andrea Righi 45f197ade7 x86, oprofile: BUG: using smp_processor_id() in preemptible code
Add __raw access before setting per cpu variable switch_index, to avoid
the following BUG:

[  449.166827] BUG: using smp_processor_id() in preemptible [00000000] code: modprobe/6998
[  449.166848] caller is op_nmi_init+0xf0/0x2b0 [oprofile]
[  449.166855] Pid: 6998, comm: modprobe Not tainted 2.6.27-rc5-mm1 #29
[  449.166860] Call Trace:
[  449.166872]  [<ffffffff80362d67>] debug_smp_processor_id+0xd7/0xe0
[  449.166887]  [<ffffffffa00181c0>] op_nmi_init+0xf0/0x2b0 [oprofile]
[  449.166902]  [<ffffffffa0018000>] oprofile_init+0x0/0x60 [oprofile]
[  449.166915]  [<ffffffffa00180a9>] oprofile_arch_init+0x9/0x30 [oprofile]
[  449.166928]  [<ffffffffa001801e>] oprofile_init+0x1e/0x60 [oprofile]
[  449.166937]  [<ffffffff8020903b>] _stext+0x3b/0x160
[  449.166946]  [<ffffffff80477985>] __mutex_unlock_slowpath+0xe5/0x190
[  449.166955]  [<ffffffff80262c1a>] trace_hardirqs_on_caller+0xca/0x140
[  449.166965]  [<ffffffff8026f7fc>] sys_init_module+0xdc/0x210
[  449.166972]  [<ffffffff8020b7cb>] system_call_fastpath+0x16/0x1b

Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
Acked-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-09-22 12:27:47 +02:00
..
boot x86: fix build warnings in real mode code 2008-08-18 09:20:14 +02:00
configs
crypto
ia32 tracehook: exec 2008-07-26 12:00:08 -07:00
kernel Merge branch 'x86/oprofile' into oprofile 2008-08-19 03:34:07 +02:00
kvm KVM: Advertise synchronized mmu support to userspace 2008-07-29 12:34:02 +03:00
lguest lguest: set max_pfn_mapped, growl loudly at Yinghai Lu 2008-07-29 09:58:31 +10:00
lib x86: wrong register was used in align macro 2008-07-30 10:10:39 -07:00
mach-default
mach-es7000
mach-generic
mach-rdc321x
mach-voyager
math-emu
mm Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-08-16 17:14:07 -07:00
oprofile x86, oprofile: BUG: using smp_processor_id() in preemptible code 2008-09-22 12:27:47 +02:00
pci x86: silence mmconfig printk 2008-08-15 13:52:39 +02:00
power x86: fix i486 suspend to disk CR4 oops 2008-08-18 08:50:19 +02:00
vdso
video
xen
Kconfig arch/x86/Kconfig: clean up, experimental adjustement 2008-08-15 14:06:54 +02:00
Kconfig.cpu
Kconfig.debug
Makefile
Makefile_32.cpu