From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763618AbYD3SKw (ORCPT ); Wed, 30 Apr 2008 14:10:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757088AbYD3SKo (ORCPT ); Wed, 30 Apr 2008 14:10:44 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:45523 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755510AbYD3SKn (ORCPT ); Wed, 30 Apr 2008 14:10:43 -0400 Date: Wed, 30 Apr 2008 20:10:15 +0200 From: Ingo Molnar To: Andres Salomon Cc: Thomas Gleixner , "H. Peter Anvin" , Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86: ioremap ram check fix Message-ID: <20080430181015.GB31726@elte.hu> References: <20080430113024.43aa3935@ephemeral> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080430113024.43aa3935@ephemeral> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Andres Salomon wrote: > Hi Ingo, > > bdd3cee2e4b7279457139058615ced6c2b41e7de (x86: ioremap(), extend check > to all RAM pages) breaks OLPC's ioremap call. The ioremap that OLPC > uses is: that breakage has been reported independently as well and the revert has been pushed to Linus yesterday - it's not upstream yet. See this commit in x86.git: commit 1b8104a0ec138de829bb351f6597d534c7c134dc Author: Ingo Molnar Date: Tue Apr 29 12:04:51 2008 +0200 revert: "x86: ioremap(), extend check to all RAM pages" Vegard Nossum reported a large (150 seconds) boot delay during bootup, and bisected it to "x86: ioremap(), extend check to all RAM pages" (commit bdd3cee2e4b). Revert this commit for now. Bisected-by: Vegard Nossum Signed-off-by: Ingo Molnar Ingo