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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2012-06-05 10:28:38 (GMT)
committerSteven Rostedt <rostedt@goodmis.org>2012-07-31 14:29:59 (GMT)
commite52538965119319447c0800c534da73142c27be2 (patch)
treec7d380720da19d6c5ba996947ddda360e538cc9c /arch/x86/include/asm/kprobes.h
parentae6aa16fdc163afe6b04b6c073ad4ddd4663c03b (diff)
downloadlinux-e52538965119319447c0800c534da73142c27be2.tar.xz
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 'arch/x86/include/asm/kprobes.h')
-rw-r--r--arch/x86/include/asm/kprobes.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h
index 5478825..d3ddd17 100644
--- a/arch/x86/include/asm/kprobes.h
+++ b/arch/x86/include/asm/kprobes.h
@@ -27,6 +27,7 @@
#include <asm/insn.h>
#define __ARCH_WANT_KPROBES_INSN_SLOT
+#define ARCH_SUPPORTS_KPROBES_ON_FTRACE
struct pt_regs;
struct kprobe;