From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753858AbaCXS4Y (ORCPT ); Mon, 24 Mar 2014 14:56:24 -0400 Received: from cdptpa-outbound-snat.email.rr.com ([107.14.166.230]:21701 "EHLO cdptpa-oedge-vip.email.rr.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753593AbaCXS4W (ORCPT ); Mon, 24 Mar 2014 14:56:22 -0400 Date: Mon, 24 Mar 2014 14:56:20 -0400 From: Steven Rostedt To: Masami Hiramatsu Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Andi Kleen , Ananth N Mavinakayanahalli , Sandeepa Prabhu , Frederic Weisbecker , x86@kernel.org, fche@redhat.com, mingo@redhat.com, systemtap@sourceware.org, "H. Peter Anvin" , Thomas Gleixner Subject: Re: [PATCH -tip v8 07/26] [BUGFIX] x86: Prohibit probing on thunk functions and restore Message-ID: <20140324145620.21bc6d49@gandalf.local.home> In-Reply-To: <20140305115932.22766.76074.stgit@ltc230.yrl.intra.hitachi.co.jp> References: <20140305115843.22766.8355.stgit@ltc230.yrl.intra.hitachi.co.jp> <20140305115932.22766.76074.stgit@ltc230.yrl.intra.hitachi.co.jp> X-Mailer: Claws Mail 3.9.3 (GTK+ 2.24.22; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-RR-Connecting-IP: 107.14.168.142:25 X-Cloudmark-Score: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 05 Mar 2014 20:59:32 +0900 Masami Hiramatsu wrote: > thunk/restore functions are also used for tracing irqoff etc. > and those are involved in kprobe's exception handling. > Prohibit probing on them to avoid kernel crash. > > Signed-off-by: Masami Hiramatsu > Cc: Thomas Gleixner > Cc: Ingo Molnar > Cc: "H. Peter Anvin" Reviewed-by: Steven Rostedt -- Steve