Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261670AbVDRFF4 (ORCPT ); Mon, 18 Apr 2005 01:05:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261674AbVDRFF4 (ORCPT ); Mon, 18 Apr 2005 01:05:56 -0400 Received: from dsl027-180-174.sfo1.dsl.speakeasy.net ([216.27.180.174]:10675 "EHLO cheetah.davemloft.net") by vger.kernel.org with ESMTP id S261670AbVDRFFw (ORCPT ); Mon, 18 Apr 2005 01:05:52 -0400 Date: Sun, 17 Apr 2005 22:00:09 -0700 From: "David S. Miller" To: Daniel Jacobowitz Cc: ikebe.takashi@lab.ntt.co.jp, cw@f00f.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH x86_64] Live Patching Function on 2.6.11.7 Message-Id: <20050417220009.2e1c6a13.davem@davemloft.net> In-Reply-To: <20050418044223.GB15002@nevyn.them.org> References: <4263275A.2020405@lab.ntt.co.jp> <20050418040718.GA31163@taniwha.stupidest.org> <4263356D.9080007@lab.ntt.co.jp> <20050418044223.GB15002@nevyn.them.org> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; sparc-unknown-linux-gnu) X-Face: "_;p5u5aPsO,_Vsx"^v-pEq09'CU4&Dc1$fQExov$62l60cgCc%FnIwD=.UF^a>?5'9Kn[;433QFVV9M..2eN.@4ZWPGbdi<=?[:T>y?SD(R*-3It"Vj:)"dP Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 883 Lines: 19 On Mon, 18 Apr 2005 00:42:23 -0400 Daniel Jacobowitz wrote: > On Mon, Apr 18, 2005 at 01:19:57PM +0900, Takashi Ikebe wrote: > > GDB based approach seems not fit to our requirements. GDB(ptrace) based > > functions are basically need to be done when target process is stopping. > > In addition to that current PTRACE_PEEK/POKE* allows us to copy only a > > *word* size... > > While true, this is easily fixable. There is even an interface > precedent on OpenBSD (and possibly other platforms as well). Some platforms even support the necessary PTRADE_{READ,WRITE}DATA operations already, sparc is one such platform. - 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/