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authorAnil S Keshavamurthy <anil.s.keshavamurthy@intel.com>2006-01-09 20:52:43 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-10 08:01:40 -0800
commit49a2a1b83ba6fa40c41968d6a28ba16e7ed0c3f7 (patch)
treef257b535d0f09f9ac2531d40feb732349993665c /include/asm-ia64
parent41dead49ccb4d7f0a34d56478f487342a3c3ab2b (diff)
[PATCH] kprobes: changed from using spinlock to mutex
Since Kprobes runtime exception handlers is now lock free as this code path is now using RCU to walk through the list, there is no need for the register/unregister{_kprobe} to use spin_{lock/unlock}_isr{save/restore}. The serialization during registration/unregistration is now possible using just a mutex. In the above process, this patch also fixes a minor memory leak for x86_64 and powerpc. 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-ia64')
-rw-r--r--include/asm-ia64/kprobes.h5
1 files changed, 0 insertions, 5 deletions
diff --git a/include/asm-ia64/kprobes.h b/include/asm-ia64/kprobes.h
index 5b26462674a..12a0b93020d 100644
--- a/include/asm-ia64/kprobes.h
+++ b/include/asm-ia64/kprobes.h
@@ -110,11 +110,6 @@ struct arch_specific_insn {
unsigned short target_br_reg;
};
-/* ia64 does not need this */
-static inline void arch_copy_kprobe(struct kprobe *p)
-{
-}
-
extern int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);