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| author | Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> | 2006-06-26 00:25:29 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 09:58:22 -0700 |
| commit | e6f47f978bcd5413fff610613b18e9e0eab9bc1b (patch) | |
| tree | bf9e698cb76a0e958a8c9157fba74fb6d8255298 /include/asm-powerpc | |
| parent | 3d5631e0631a11633c649bc995a6537ec21b67b4 (diff) | |
| download | op-kernel-dev-e6f47f978bcd5413fff610613b18e9e0eab9bc1b.zip op-kernel-dev-e6f47f978bcd5413fff610613b18e9e0eab9bc1b.tar.gz | |
[PATCH] Notify page fault call chain
With this patch Kprobes now registers for page fault notifications only when
their is an active probe registered. Once all the active probes are
unregistered their is no need to be notified of page faults and kprobes
unregisters itself from the page fault notifications. Hence we will have ZERO
side effects when no probes are active.
Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/kprobes.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-powerpc/kprobes.h b/include/asm-powerpc/kprobes.h index f466bc8..2d0af52 100644 --- a/include/asm-powerpc/kprobes.h +++ b/include/asm-powerpc/kprobes.h @@ -50,6 +50,8 @@ typedef unsigned int kprobe_opcode_t; IS_TWI(instr) || IS_TDI(instr)) #define ARCH_SUPPORTS_KRETPROBES +#define ARCH_INACTIVE_KPROBE_COUNT 1 + void kretprobe_trampoline(void); extern void arch_remove_kprobe(struct kprobe *p); |
