From patchwork Tue Mar 1 11:52:51 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cornelia Huck X-Patchwork-Id: 8464541 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B51B69F314 for ; Tue, 1 Mar 2016 11:53:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 24F2D20295 for ; Tue, 1 Mar 2016 11:53:47 +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 EA2B920155 for ; Tue, 1 Mar 2016 11:53:45 +0000 (UTC) Received: from localhost ([::1]:48860 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aais5-0004kB-AL for patchwork-qemu-devel@patchwork.kernel.org; Tue, 01 Mar 2016 06:53:45 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35180) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aairb-0004LU-Of for qemu-devel@nongnu.org; Tue, 01 Mar 2016 06:53:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aairY-0000KG-Od for qemu-devel@nongnu.org; Tue, 01 Mar 2016 06:53:15 -0500 Received: from e06smtp16.uk.ibm.com ([195.75.94.112]:53823) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aairY-0000K7-9i for qemu-devel@nongnu.org; Tue, 01 Mar 2016 06:53:12 -0500 Received: from localhost by e06smtp16.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Tue, 1 Mar 2016 11:53:08 -0000 X-IBM-Helo: d06dlp02.portsmouth.uk.ibm.com X-IBM-MailFrom: cornelia.huck@de.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org Received: from b06cxnps4074.portsmouth.uk.ibm.com (d06relay11.portsmouth.uk.ibm.com [9.149.109.196]) by d06dlp02.portsmouth.uk.ibm.com (Postfix) with ESMTP id 0E8CE2190023 for ; Tue, 1 Mar 2016 11:52:52 +0000 (GMT) Received: from d06av10.portsmouth.uk.ibm.com (d06av10.portsmouth.uk.ibm.com [9.149.37.251]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u21Br82V60686348 for ; Tue, 1 Mar 2016 11:53:08 GMT Received: from d06av10.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av10.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u21Ar9NP008069 for ; Tue, 1 Mar 2016 03:53:09 -0700 Received: from gondolin.boeblingen.de.ibm.com (dyn-9-152-224-197.boeblingen.de.ibm.com [9.152.224.197]) by d06av10.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u21Ar7YV007911 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 1 Mar 2016 03:53:09 -0700 From: Cornelia Huck To: peter.maydell@linaro.org Date: Tue, 1 Mar 2016 12:52:51 +0100 Message-Id: <1456833183-27244-3-git-send-email-cornelia.huck@de.ibm.com> X-Mailer: git-send-email 2.7.2 In-Reply-To: <1456833183-27244-1-git-send-email-cornelia.huck@de.ibm.com> References: <1456833183-27244-1-git-send-email-cornelia.huck@de.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16030111-0025-0000-0000-0000092EE2B5 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 195.75.94.112 Cc: borntraeger@de.ibm.com, qemu-devel@nongnu.org, agraf@suse.de, David Hildenbrand , jfrei@linux.vnet.ibm.com, Cornelia Huck Subject: [Qemu-devel] [PULL 02/14] 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) {