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| author | Masami Hiramatsu <[email protected]> | 2012-09-05 14:31:12 +0000 |
|---|---|---|
| committer | Steven Rostedt <[email protected]> | 2012-09-14 02:52:09 +0000 |
| commit | 4b036d54bf849a75d0103b33d92a53f89ecb9315 (patch) | |
| tree | a3951c4c6b585f15e02634993cde58986f848443 /tools/perf/util/scripting-engines/trace-event-perl.c | |
| parent | ftrace/x86: Adjust x86 regs.ip as like as x86-64 (diff) | |
| download | kernel-4b036d54bf849a75d0103b33d92a53f89ecb9315.tar.gz kernel-4b036d54bf849a75d0103b33d92a53f89ecb9315.zip | |
kprobes/x86: Fix kprobes to collectly handle IP on ftrace
Current kprobe_ftrace_handler expects regs->ip == ip, but it is
incorrect (originally on x86-64). Actually, ftrace handler sets
regs->ip = ip + MCOUNT_INSN_SIZE.
kprobe_ftrace_handler must take care for that.
Link: http://lkml.kernel.org/r/[email protected]
Cc: Peter Zijlstra <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Signed-off-by: Masami Hiramatsu <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-perl.c')
0 files changed, 0 insertions, 0 deletions