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kprobes: Add IPMODIFY flag to kprobe_ftrace_ops

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>
Masami Hiramatsu 10 years ago
parent
f8b8be8a31
commit
1d70be34df
1 changed files with 1 additions and 1 deletions
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  1. 1 1
      kernel/kprobes.c

+ 1 - 1
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
 
 #ifdef CONFIG_KPROBES_ON_FTRACE
 
 static struct ftrace_ops kprobe_ftrace_ops __read_mostly = {
 
 static struct ftrace_ops kprobe_ftrace_ops __read_mostly = {
 
 	.func = kprobe_ftrace_handler,
 
 	.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;
 
 static int kprobe_ftrace_enabled;