[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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Anil S Keshavamurthy 2006-06-26 00:25:29 -07:00 • committed by Linus Torvalds
commit e6f47f978b
6 changed files with 29 additions and 7 deletions

View file

@ -44,6 +44,7 @@ typedef u8 kprobe_opcode_t;
#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry
#define ARCH_SUPPORTS_KRETPROBES
#define ARCH_INACTIVE_KPROBE_COUNT 0
void arch_remove_kprobe(struct kprobe *p);
void kretprobe_trampoline(void);