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[PATCH] Notify page fault call chain

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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>
This commit is contained in:
Anil S Keshavamurthy
2006-06-26 00:25:29 -07:00
committed by Linus Torvalds
parent 3d5631e063
commit e6f47f978b
6 changed files with 29 additions and 7 deletions
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include/asm-sparc64/kprobes.h
+1
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@@ -12,6 +12,7 @@ typedef u32 kprobe_opcode_t;
#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry
#define arch_remove_kprobe(p) do {} while (0)
#define ARCH_INACTIVE_KPROBE_COUNT 0
/* Architecture specific copy of original instruction*/
struct arch_specific_insn {