Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752022AbaDQP3T (ORCPT ); Thu, 17 Apr 2014 11:29:19 -0400 Received: from terminus.zytor.com ([198.137.202.10]:55823 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751905AbaDQP3M (ORCPT ); Thu, 17 Apr 2014 11:29:12 -0400 Message-ID: <534FF31E.1000104@zytor.com> Date: Thu, 17 Apr 2014 08:28:30 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Sasha Levin , Masami Hiramatsu CC: vegard.nossum@oracle.com, penberg@kernel.org, jamie.iles@oracle.com, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/4] x86/insn: Extract more information about instructions References: <1397497450-6440-1-git-send-email-sasha.levin@oracle.com> <1397497450-6440-3-git-send-email-sasha.levin@oracle.com> <534CA38C.80501@hitachi.com> <534D4BF3.3020102@oracle.com> <534DF868.2020901@zytor.com> <534DFD61.4070700@oracle.com> <534DFEDC.8090503@zytor.com> <534E0124.70700@oracle.com> <534E1559.8050904@hitachi.com> <534FF135.40404@oracle.com> In-Reply-To: <534FF135.40404@oracle.com> X-Enigmail-Version: 1.6 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 On 04/17/2014 08:20 AM, Sasha Levin wrote: > > It's not like the instruction decoder is a generic piece of code right now anyways, > it only serves mostly [k,u]probes and was built around the their requirements, and > now everybody are surprised that kmemcheck has different requirements than kprobes. > What *ARE* kmemcheck's requirements? That's the real issue, I believe. I also have seen several attempts at using the generic instruction decoder which has resulted in more complexity, not less, because of excess generality, so it is not an obvious thing. -hpa -- 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/