From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcelo Tosatti Subject: qemu-kvm requires apic initialized before vcpu main loop Date: Wed, 9 Dec 2009 15:46:54 -0200 Message-ID: <20091209174654.GA28056@amt.cnet> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm To: Avi Kivity , Glauber de Oliveira Costa Return-path: Received: from mx1.redhat.com ([209.132.183.28]:10660 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751681AbZLIRrT (ORCPT ); Wed, 9 Dec 2009 12:47:19 -0500 Received: from int-mx05.intmail.prod.int.phx2.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.18]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id nB9HlQO9032041 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 9 Dec 2009 12:47:26 -0500 Content-Disposition: inline Sender: kvm-owner@vger.kernel.org List-ID: Otherwise a zero apic base is loaded into KVM, which results in interrupts being lost until a proper apic base with enabled bit set is loaded. Fixes WinXP migration in qemu-kvm origin/next. Signed-off-by: Marcelo Tosatti diff --git a/hw/apic.c b/hw/apic.c index 627ff98..45a4d2b 100644 --- a/hw/apic.c +++ b/hw/apic.c @@ -1131,6 +1131,11 @@ int apic_init(CPUState *env) vmstate_register(s->idx, &vmstate_apic, s); qemu_register_reset(apic_reset, s); + /* apic_reset must be called before the vcpu threads are initialized and load + * registers, in qemu-kvm. + */ + apic_reset(s); + local_apics[s->idx] = s; return 0; }