From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47358) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vim1Z-00087b-CI for qemu-devel@nongnu.org; Tue, 19 Nov 2013 09:11:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Vim1Q-0002iI-U0 for qemu-devel@nongnu.org; Tue, 19 Nov 2013 09:11:29 -0500 Received: from mx.ipv6.kamp.de ([2a02:248:0:51::16]:32829 helo=mx01.kamp.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vim1Q-0002iE-JB for qemu-devel@nongnu.org; Tue, 19 Nov 2013 09:11:20 -0500 Message-ID: <528B7190.1060009@kamp.de> Date: Tue, 19 Nov 2013 15:11:28 +0100 From: Peter Lieven MIME-Version: 1.0 References: <1379694292-1601-1-git-send-email-pbonzini@redhat.com> <1379694292-1601-12-git-send-email-pbonzini@redhat.com> <528A310A.60607@dlhnet.de> <528A3422.1030701@kamp.de> <528A3C4A.4090001@redhat.com> <528B3C86.3030309@kamp.de> <528B41A5.1080504@redhat.com> <528B53A6.3030204@kamp.de> <528B561C.9070200@redhat.com> <528B5A5B.1090705@kamp.de> <528B65E6.7040203@redhat.com> In-Reply-To: <528B65E6.7040203@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PULL 11/13] target-i386: forward CPUID cache leaves when -cpu host is used List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: qemu-devel@nongnu.org, Anthony Liguori , =?UTF-8?B?QmVub8OudCBDYW5ldA==?= On 19.11.2013 14:21, Paolo Bonzini wrote: > Il 19/11/2013 13:32, Peter Lieven ha scritto: >>> + >>> + /* We give out APIC IDs ourselves, so force bits 31..26 even >>> for "-cpu host". */ >>> + if (cs->nr_cores > 1) { >>> + *eax |= (cs->nr_cores - 1) << 26; >>> } >>> break; >>> case 5: >> I already tried exactly this fix. Its reading index 0x0000004 for >> increasing indexes until qemu aborts: > Oops, it should be I guess "if ((*eax & 31) && cs->nr_cores > 1)". Maybe, how should we continue. This should be fixed before 1.7 comes out. Peter