Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751732AbaG1FWs (ORCPT ); Mon, 28 Jul 2014 01:22:48 -0400 Received: from mail9.hitachi.co.jp ([133.145.228.44]:38874 "EHLO mail9.hitachi.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750996AbaG1FWr (ORCPT ); Mon, 28 Jul 2014 01:22:47 -0400 Subject: [PATCH ftrace/core v4 3/4] kprobes: Add IPMODIFY flag to kprobe_ftrace_ops From: Masami Hiramatsu To: Steven Rostedt , Josh Poimboeuf Cc: Ingo Molnar , Namhyung Kim , Linux Kernel Mailing List , Ananth N Mavinakayanahalli Date: Mon, 28 Jul 2014 05:22:36 +0000 Message-ID: <20140728052236.29491.17679.stgit@kbuild-fedora.novalocal> In-Reply-To: <20140728052215.29491.23631.stgit@kbuild-fedora.novalocal> References: <20140728052215.29491.23631.stgit@kbuild-fedora.novalocal> User-Agent: StGit/0.17-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add FTRACE_OPS_FL_IPMODIFY flag to kprobe_ftrace_ops since kprobes can changes regs->ip. Signed-off-by: Masami Hiramatsu --- kernel/kprobes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 3214289..e52d86f 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; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/