[PATCH ftrace/core v6 3/5] kprobes: Add IPMODIFY flag to kprobe_ftrace_ops

From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
To: Steven Rostedt <rostedt@goodmis.org>,
	Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	Jiri Kosina <jkosina@suse.cz>,
	Seth Jennings <sjenning@redhat.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Petr Mladek <pmladek@suse.cz>, Vojtech Pavlik <vojtech@suse.cz>,
	Namhyung Kim <namhyung@kernel.org>,
	Miroslav Benes <mbenes@suse.cz>, Ingo Molnar <mingo@kernel.org>
Subject: [PATCH ftrace/core v6 3/5] kprobes: Add IPMODIFY flag to kprobe_ftrace_ops
Date: Fri, 21 Nov 2014 05:25:23 -0500	[thread overview]
Message-ID: <20141121102523.11844.21298.stgit@localhost.localdomain> (raw)
In-Reply-To: <20141121102502.11844.82696.stgit@localhost.localdomain>

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

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
---
 kernel/kprobes.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 3995f54..831978c 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -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;
 


