Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932298AbWESMeY (ORCPT ); Fri, 19 May 2006 08:34:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932303AbWESMeY (ORCPT ); Fri, 19 May 2006 08:34:24 -0400 Received: from ns.suse.de ([195.135.220.2]:32999 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S932298AbWESMeX (ORCPT ); Fri, 19 May 2006 08:34:23 -0400 From: Andi Kleen To: Richard J Moore Subject: Re: [PATCH] kprobes: bad manipulation of 2 byte opcode on x86_64 Date: Fri, 19 May 2006 13:33:11 +0200 User-Agent: KMail/1.8 Cc: Satoshi Oshima , Andrew Morton , "Keshavamurthy, Anil S" , "Hideo AOKI@redhat" , Masami Hiramatsu , Jim Keniston , linux-kernel@vger.kernel.org, Ananth N Mavinakayanahalli , Prasanna S Panchamukhi , sugita , systemtap@sources.redhat.com, systemtap-owner@sourceware.org References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200605191333.11930.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 511 Lines: 13 On Friday 19 May 2006 10:29, Richard J Moore wrote: > Is there any possibility of a inducing a page fault when checking the > second byte? AFAIK instr is in the out of line instruction copy. Kernel would need to be pretty broken already if that page faulted. -Andi - 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/