From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262178AbUK0ESk (ORCPT ); Fri, 26 Nov 2004 23:18:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262177AbUK0D7j (ORCPT ); Fri, 26 Nov 2004 22:59:39 -0500 Received: from zeus.kernel.org ([204.152.189.113]:42947 "EHLO zeus.kernel.org") by vger.kernel.org with ESMTP id S261217AbUKZTag (ORCPT ); Fri, 26 Nov 2004 14:30:36 -0500 Date: Thu, 25 Nov 2004 19:22:50 +0100 From: Pavel Machek To: Nigel Cunningham Cc: Linux Kernel Mailing List Subject: Re: Suspend 2 merge: 19/51: Remove MTRR sysdev support. Message-ID: <20041125182250.GI1417@openzaurus.ucw.cz> References: <1101292194.5805.180.camel@desktop.cunninghams> <1101295453.5805.263.camel@desktop.cunninghams> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1101295453.5805.263.camel@desktop.cunninghams> User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > This patch removes sysdev support for MTRRs (potential SMP hang and > shouldn't be done with interrupts done anyway). Instead, we save and > restore MTRRs when entering and exiting the processor freezers (ie when > saving the registers & context for each CPU via an SMP call). This will break acpi s3... Pavel -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms