From patchwork Tue May 4 12:45:23 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcelo Tosatti X-Patchwork-Id: 96755 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o44D4MTT004056 for ; Tue, 4 May 2010 13:04:24 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932079Ab0EDNDy (ORCPT ); Tue, 4 May 2010 09:03:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:23210 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932164Ab0EDNDt (ORCPT ); Tue, 4 May 2010 09:03:49 -0400 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 o44D3lOg013478 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 4 May 2010 09:03:47 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx05.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o44D3lQB022605; Tue, 4 May 2010 09:03:47 -0400 Received: from amt.cnet (vpn2-10-150.ams2.redhat.com [10.36.10.150]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id o44D20L5023680; Tue, 4 May 2010 09:03:38 -0400 Received: from amt.cnet (amt.cnet [127.0.0.1]) by amt.cnet (Postfix) with ESMTP id 3899368A9C5; Tue, 4 May 2010 09:54:58 -0300 (BRT) Received: (from marcelo@localhost) by amt.cnet (8.14.3/8.14.3/Submit) id o44CsuFR016602; Tue, 4 May 2010 09:54:56 -0300 Message-Id: <20100504124634.399797233@redhat.com> User-Agent: quilt/0.47-1 Date: Tue, 04 May 2010 09:45:23 -0300 From: Marcelo Tosatti To: kvm@vger.kernel.org, qemu-devel@nongnu.org Cc: Marcelo Tosatti Subject: [patch uq/master 5/9] kvm: synchronize state from cpu context References: <20100504124518.979470863@redhat.com> Content-Disposition: inline; filename=cpu-sync-state-use-run-on-cpu X-Scanned-By: MIMEDefang 2.67 on 10.5.11.18 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Tue, 04 May 2010 13:04:24 +0000 (UTC) Index: qemu/kvm-all.c =================================================================== --- qemu.orig/kvm-all.c +++ qemu/kvm-all.c @@ -796,14 +796,22 @@ void kvm_flush_coalesced_mmio_buffer(voi #endif } -void kvm_cpu_synchronize_state(CPUState *env) +static void do_kvm_cpu_synchronize_state(void *_env) { + CPUState *env = _env; + if (!env->kvm_vcpu_dirty) { kvm_arch_get_registers(env); env->kvm_vcpu_dirty = 1; } } +void kvm_cpu_synchronize_state(CPUState *env) +{ + if (!env->kvm_vcpu_dirty) + run_on_cpu(env, do_kvm_cpu_synchronize_state, env); +} + void kvm_cpu_synchronize_post_reset(CPUState *env) { kvm_arch_put_registers(env, KVM_PUT_RESET_STATE);