From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758236AbYARDsg (ORCPT ); Thu, 17 Jan 2008 22:48:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752127AbYARDs2 (ORCPT ); Thu, 17 Jan 2008 22:48:28 -0500 Received: from rv-out-0910.google.com ([209.85.198.189]:17083 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751927AbYARDs1 (ORCPT ); Thu, 17 Jan 2008 22:48:27 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=wd1/WS3uLOMoVRr2fUqswRMWCEDQCn33QL4y+af/CV8wa0SVJKjieBdn0cupSA9vyJ8O9oNlWrXozKsAgkxNY+iVkHwC4tbn6wooD7jR9RE9+curc2n5AOaqwGwQzgsj4hX+YpwsG0REsPTNVH9rNuj2av+8VwG44NCLodKgPTM= Message-ID: <86802c440801171948o152fc82eh6756926ead6882e7@mail.gmail.com> Date: Thu, 17 Jan 2008 19:48:25 -0800 From: "Yinghai Lu" To: "Ingo Molnar" Subject: Re: x86.git kexec rhel 5.1 Cc: LKML In-Reply-To: <86802c440801171911p3d82c39ap29da2d81c63c77c2@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <86802c440801171911p3d82c39ap29da2d81c63c77c2@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Jan 17, 2008 7:11 PM, Yinghai Lu wrote: > some problem with PAT > > A: 1/17 x86.git with PAT enable kernel > B. 1/17 x86.git with PAT diabled kernel > C: RHEL 5.1 stock kernel -53 > > A kexec B : OK > B kexec A: OK > A kexec C: very slow > B kexec C: OK > C kexec A: OK > C kexec B: OK > > Do we need something to disable PAT when kexec calling shutdown? change PAT only, fix that A kexec C problem. YH