Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753551Ab1FLMWT (ORCPT ); Sun, 12 Jun 2011 08:22:19 -0400 Received: from wp186.webpack.hosteurope.de ([80.237.132.193]:59948 "EHLO wp186.webpack.hosteurope.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753233Ab1FLMWS (ORCPT ); Sun, 12 Jun 2011 08:22:18 -0400 Message-ID: <4DF4AF76.2070307@xaipete.org> Date: Sun, 12 Jun 2011 14:22:14 +0200 From: Robert Uhl User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110414 SUSE/3.1.10 Lightning/1.0b2 Thunderbird/3.1.10 MIME-Version: 1.0 To: Mikael Pettersson CC: linux-kernel@vger.kernel.org Subject: Re: Access to local APIC registers during an interrupt handler References: <4DF389D1.4090909@xaipete.org> <19956.40070.962218.422362@pilspetsen.it.uu.se> In-Reply-To: <19956.40070.962218.422362@pilspetsen.it.uu.se> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-bounce-key: webpack.hosteurope.de;ruhl@xaipete.org;1307881338;d0cc2ac8; Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 641 Lines: 16 On 12.06.2011 13:01, Mikael Pettersson wrote: > > movq (lapic_idregister), %rcx > > movq (%rcx), %rcx > > You're doing a 64-bit load from a 32-bit lapic register. > > If changing the above movq (%rcx), %rcx to use movl instead makes it > work in real HW, then you've found an accepts-invalid bug in qemu. It works with movl, thank you very much! I will send a bug report to the qemu team. -- 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/