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authorMasami Hiramatsu <mhiramat@redhat.com>2009-01-07 01:41:50 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-07 02:59:20 +0300
commit129415607845d4daea11ddcba706005c69dcb942 (patch)
tree9046ea79a0b81c8823b9d42f00fd7c158861ed5c /include/linux/kprobes.h
parenta06f6211ef9b1785922f9d0e8766d63ac4e66de1 (diff)
downloadlinux-129415607845d4daea11ddcba706005c69dcb942.tar.xz
kprobes: add kprobe_insn_mutex and cleanup arch_remove_kprobe()
Add kprobe_insn_mutex for protecting kprobe_insn_pages hlist, and remove kprobe_mutex from architecture dependent code. This allows us to call arch_remove_kprobe() (and free_insn_slot) while holding kprobe_mutex. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/kprobes.h')
-rw-r--r--include/linux/kprobes.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 497b1d1f7a05..b93e44ce2284 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -201,7 +201,6 @@ static inline int init_test_probes(void)
}
#endif /* CONFIG_KPROBES_SANITY_TEST */
-extern struct mutex kprobe_mutex;
extern int arch_prepare_kprobe(struct kprobe *p);
extern void arch_arm_kprobe(struct kprobe *p);
extern void arch_disarm_kprobe(struct kprobe *p);