From patchwork Tue Feb 23 11:19:02 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cornelia Huck X-Patchwork-Id: 8390881 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D6F4BC0553 for ; Tue, 23 Feb 2016 11:21:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 45A9420304 for ; Tue, 23 Feb 2016 11:21:14 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 77649202EB for ; Tue, 23 Feb 2016 11:21:13 +0000 (UTC) Received: from localhost ([::1]:56157 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYB1k-0002zG-QY for patchwork-qemu-devel@patchwork.kernel.org; Tue, 23 Feb 2016 06:21:12 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34965) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYAzy-0000Pm-VP for qemu-devel@nongnu.org; Tue, 23 Feb 2016 06:19:24 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aYAzu-0000DE-UQ for qemu-devel@nongnu.org; Tue, 23 Feb 2016 06:19:22 -0500 Received: from e06smtp10.uk.ibm.com ([195.75.94.106]:44322) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYAzu-0000D1-Kh for qemu-devel@nongnu.org; Tue, 23 Feb 2016 06:19:18 -0500 Received: from localhost by e06smtp10.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Tue, 23 Feb 2016 11:19:14 -0000 X-IBM-Helo: d06dlp03.portsmouth.uk.ibm.com X-IBM-MailFrom: cornelia.huck@de.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by d06dlp03.portsmouth.uk.ibm.com (Postfix) with ESMTP id 9B5351B08076 for ; Tue, 23 Feb 2016 11:19:33 +0000 (GMT) Received: from d06av09.portsmouth.uk.ibm.com (d06av09.portsmouth.uk.ibm.com [9.149.37.250]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u1NBJE0E47644794 for ; Tue, 23 Feb 2016 11:19:14 GMT Received: from d06av09.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av09.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u1NBJD3f008406 for ; Tue, 23 Feb 2016 04:19:14 -0700 Received: from gondolin.boeblingen.de.ibm.com (dyn-9-152-224-197.boeblingen.de.ibm.com [9.152.224.197]) by d06av09.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u1NBJCUZ008339 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 23 Feb 2016 04:19:13 -0700 From: Cornelia Huck To: qemu-devel@nongnu.org Date: Tue, 23 Feb 2016 12:19:02 +0100 Message-Id: <1456226350-3367-3-git-send-email-cornelia.huck@de.ibm.com> X-Mailer: git-send-email 2.7.1 In-Reply-To: <1456226350-3367-1-git-send-email-cornelia.huck@de.ibm.com> References: <1456226350-3367-1-git-send-email-cornelia.huck@de.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16022311-0041-0000-0000-00000768612A X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 195.75.94.106 Cc: Cornelia Huck , borntraeger@de.ibm.com, jfrei@linux.vnet.ibm.com, agraf@suse.de, David Hildenbrand Subject: [Qemu-devel] [PATCH 02/10] s390x/kvm: sync fprs via kvm_run X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: David Hildenbrand We can now also sync the fprs via kvm_run, avoiding one ioctl. Reviewed-by: Christian Borntraeger Signed-off-by: David Hildenbrand Signed-off-by: Cornelia Huck --- target-s390x/kvm.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index 9b21b96..6763656 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -342,6 +342,12 @@ int kvm_arch_put_registers(CPUState *cs, int level) } cs->kvm_run->s.regs.fpc = env->fpc; cs->kvm_run->kvm_dirty_regs |= KVM_SYNC_VRS; + } else if (can_sync_regs(cs, KVM_SYNC_FPRS)) { + for (i = 0; i < 16; i++) { + cs->kvm_run->s.regs.fprs[i] = get_freg(env, i)->ll; + } + cs->kvm_run->s.regs.fpc = env->fpc; + cs->kvm_run->kvm_dirty_regs |= KVM_SYNC_FPRS; } else { /* Floating point */ for (i = 0; i < 16; i++) { @@ -482,6 +488,11 @@ int kvm_arch_get_registers(CPUState *cs) env->vregs[i][1].ll = cs->kvm_run->s.regs.vrs[i][1]; } env->fpc = cs->kvm_run->s.regs.fpc; + } else if (can_sync_regs(cs, KVM_SYNC_FPRS)) { + for (i = 0; i < 16; i++) { + get_freg(env, i)->ll = cs->kvm_run->s.regs.fprs[i]; + } + env->fpc = cs->kvm_run->s.regs.fpc; } else { r = kvm_vcpu_ioctl(cs, KVM_GET_FPU, &fpu); if (r < 0) {