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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2012-06-05 19:28:38 +0900
committerSteven Rostedt <rostedt@goodmis.org>2012-07-31 10:29:59 -0400
commite52538965119319447c0800c534da73142c27be2 (patch)
treec7d380720da19d6c5ba996947ddda360e538cc9c /kernel/kprobes.c
parentae6aa16fdc163afe6b04b6c073ad4ddd4663c03b (diff)
downloadlwn-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.c2
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;