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| author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2012-06-05 19:28:38 +0900 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2012-07-31 10:29:59 -0400 |
| commit | e52538965119319447c0800c534da73142c27be2 (patch) | |
| tree | c7d380720da19d6c5ba996947ddda360e538cc9c /kernel/kprobes.c | |
| parent | ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b (diff) | |
| download | lwn-e52538965119319447c0800c534da73142c27be2.tar.gz lwn-e52538965119319447c0800c534da73142c27be2.zip | |
kprobes/x86: ftrace based optimization for x86
Add function tracer based kprobe optimization support
handlers on x86. This allows kprobes to use function
tracer for probing on mcount call.
Link: http://lkml.kernel.org/r/20120605102838.27845.26317.stgit@localhost.localdomain
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: "Frank Ch. Eigler" <fche@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
[ Updated to new port of ftrace save regs functions ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/kprobes.c')
| -rw-r--r-- | kernel/kprobes.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 69c16efc315b..35b4315d84f5 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -921,7 +921,7 @@ static __kprobes struct kprobe *alloc_aggr_kprobe(struct kprobe *p) #ifdef KPROBES_CAN_USE_FTRACE static struct ftrace_ops kprobe_ftrace_ops __read_mostly = { - .regs_func = kprobe_ftrace_handler, + .func = kprobe_ftrace_handler, .flags = FTRACE_OPS_FL_SAVE_REGS, }; static int kprobe_ftrace_enabled; |