linux/arch/x86
Masami Hiramatsu fee039a1d0 x86: kretprobe-booster interrupt emulation code fix
Fix interrupt emulation code in kretprobe-booster according to
pt_regs update (es/ds change and gs adding).

This issue has been reported on systemtap-bugzilla:

  http://sources.redhat.com/bugzilla/show_bug.cgi?id=9965

  | On a -tip kernel on x86_32, kretprobe_example (from samples) triggers the
  | following backtrace when its retprobing a class of functions that cause a
  | copy_from/to_user().
  |
  | BUG: sleeping function called from invalid context at mm/memory.c:3196
  | in_atomic(): 0, irqs_disabled(): 1, pid: 2286, name: cat

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Tested-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Cc: systemtap-ml <systemtap@sources.redhat.com>
LKML-Reference: <49C7995C.2010601@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25 18:53:29 +01:00
..
boot x86: remove zImage support 2009-03-11 11:00:00 -07:00
configs Merge branches 'x86/apic', 'x86/defconfig', 'x86/memtest', 'x86/mm' and 'linus' into x86/core 2009-02-26 06:31:32 +01:00
crypto crypto: crc32c-intel - Switch to shash 2008-12-25 11:01:37 +11:00
ia32 x86: ia32_signal: introduce {get|set}_user_seg() 2009-02-22 17:54:47 +01:00
include/asm Merge branch 'x86/asm' into tracing/syscalls 2009-03-14 09:44:08 +01:00
kernel x86: kretprobe-booster interrupt emulation code fix 2009-03-25 18:53:29 +01:00
kvm Merge branch 'linus' into tracing/blktrace 2009-02-19 09:00:35 +01:00
lguest Merge branches 'x86/cleanups', 'x86/kexec', 'x86/mce2' and 'linus' into x86/core 2009-03-11 10:49:15 +01:00
lib x86: memcpy, clean up 2009-03-12 12:21:17 +01:00
math-emu Merge branch 'x86/urgent' into x86/core 2009-03-05 21:48:50 +01:00
mm Merge branch 'x86/asm' into tracing/syscalls 2009-03-14 09:44:08 +01:00
oprofile x86: oprofile: don't set counter width from cpuid on Core2 2009-03-03 12:04:22 +01:00
pci x86, apic: remove genapic.h 2009-02-17 17:52:44 +01:00
power x86: use _types.h headers in asm where available 2009-02-13 11:35:01 -08:00
vdso x86, mm: rename TASK_SIZE64 => TASK_SIZE_MAX 2009-02-21 00:09:44 +01:00
video
xen Merge branch 'x86/core' into core/percpu 2009-03-04 02:29:19 +01:00
Kconfig Merge branch 'x86/asm' into tracing/syscalls 2009-03-14 09:44:08 +01:00
Kconfig.cpu Merge branch 'x86/urgent' into core/percpu 2009-02-10 00:41:02 +01:00
Kconfig.debug Merge branch 'linus' into x86/apic 2009-02-22 20:05:19 +01:00
Makefile Merge branch 'core/percpu' into x86/core 2009-02-13 09:45:09 +01:00
Makefile_32.cpu x86: merge winchip-2 and winchip-2a cpu choices 2008-10-13 10:22:48 +02:00