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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
..
alpha alpha: move include/asm-alpha to arch/alpha/include/asm 2008-08-15 09:19:40 -07:00
arm Merge master.kernel.org:/home/rmk/linux-2.6-arm 2008-08-16 16:48:45 -07:00
avr32 avr32: Make atstk1006_nand_data definition static 2008-08-08 12:44:56 +02:00
blackfin Blackfin arch: hook up some missing new system calls 2008-08-14 15:40:19 +08:00
cris Merge branch 'linus' into core/generic-dma-coherent 2008-07-29 00:07:55 +02:00
frv FRV: Wire up new system calls 2008-08-01 13:03:49 -07:00
h8300 [h8300] move include/asm-h8300 to arch/h8300/include/asm 2008-08-13 14:26:32 -07:00
ia64 kexec jump: rename KEXEC_CONTROL_CODE_SIZE to KEXEC_CONTROL_PAGE_SIZE 2008-08-15 08:35:42 -07:00
m32r m32r: use generic show_mem() 2008-07-26 12:00:11 -07:00
m68k m68k{,nommu}: Wire up new system calls 2008-08-11 10:37:34 -07:00
m68knommu m68k{,nommu}: Wire up new system calls 2008-08-11 10:37:34 -07:00
mips remove unneeded #include <linux/ide.h>'s 2008-08-05 18:17:00 +02:00
mn10300 mn10300: Fix up __bug_table handling in module loader. 2008-08-04 17:22:17 -07:00
parisc [PATCH] sanitize __user_walk_fd() et.al. 2008-07-26 20:53:34 -04:00
powerpc powerpc: Use generic compat_sys_old_readdir 2008-08-18 14:22:35 +10:00
s390 kexec jump: rename KEXEC_CONTROL_CODE_SIZE to KEXEC_CONTROL_PAGE_SIZE 2008-08-15 08:35:42 -07:00
sh kexec jump: rename KEXEC_CONTROL_CODE_SIZE to KEXEC_CONTROL_PAGE_SIZE 2008-08-15 08:35:42 -07:00
sparc sparc64: Implement IRQ stacks. 2008-08-12 18:33:56 -07:00
sparc64 sparc64: Fix cmdline_memory_size handling bugs. 2008-08-14 01:45:41 -07:00
um uml: fix tty-related build error 2008-07-30 09:41:45 -07:00
x86 x86, oprofile: BUG: using smp_processor_id() in preemptible code 2008-09-22 12:27:47 +02:00
xtensa remove unneeded #include <linux/ide.h>'s 2008-08-05 18:17:00 +02:00
.gitignore arch: Ignore arch/i386 and arch/x86_64 2008-01-19 21:29:39 -08:00
Kconfig Merge branch 'x86/oprofile' into oprofile 2008-08-19 03:34:07 +02:00