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kprobes: Add IPMODIFY flag to kprobe_ftrace_ops

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Add FTRACE_OPS_FL_IPMODIFY flag to kprobe_ftrace_ops
since kprobes can changes regs->ip.

Link: http://lkml.kernel.org/r/20141121102523.11844.21298.stgit@localhost.localdomain

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu 2014-11-21 05:25:23 -05:00 committed by Steven Rostedt
parent f8b8be8a31
commit 1d70be34df
1 changed files with 1 additions and 1 deletions
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2
kernel/kprobes.c
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@ -915,7 +915,7 @@ static struct kprobe *alloc_aggr_kprobe(struct kprobe *p)
#ifdef CONFIG_KPROBES_ON_FTRACE
static struct ftrace_ops kprobe_ftrace_ops __read_mostly = {
.func = kprobe_ftrace_handler,
.flags = FTRACE_OPS_FL_SAVE_REGS,
.flags = FTRACE_OPS_FL_SAVE_REGS | FTRACE_OPS_FL_IPMODIFY,
};
static int kprobe_ftrace_enabled;