From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751777AbZH1Eky (ORCPT ); Fri, 28 Aug 2009 00:40:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751715AbZH1Ekx (ORCPT ); Fri, 28 Aug 2009 00:40:53 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.144]:34528 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751701AbZH1Ekx (ORCPT ); Fri, 28 Aug 2009 00:40:53 -0400 Date: Fri, 28 Aug 2009 10:10:42 +0530 From: Ananth N Mavinakayanahalli To: Masami Hiramatsu Cc: Frederic Weisbecker , Ingo Molnar , lkml , systemtap , DLE Subject: Re: [PATCH -tip tracing/kprobes 3/6] kprobes/x86: Fix to add __kprobes to in-kernel fault handing functions Message-ID: <20090828044042.GE7220@in.ibm.com> Reply-To: ananth@in.ibm.com References: <20090827152539.GE6058@nowhere> <20090827172311.8246.92725.stgit@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090827172311.8246.92725.stgit@localhost.localdomain> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 27, 2009 at 01:23:11PM -0400, Masami Hiramatsu wrote: > Add __kprobes to the functions which handles in-kernel fixable page faults. > Since kprobes can cause those in-kernel page faults by accessing kprobe data > structures, probing those fault functions will cause fault-int3-loop > (do_page_fault has already been marked as __kprobes). > > Signed-off-by: Masami Hiramatsu > Cc: Frederic Weisbecker > Cc: Ananth N Mavinakayanahalli > Cc: Ingo Molnar > --- Acked-by: Ananth N Mavinakayanahalli