From mboxrd@z Thu Jan 1 00:00:00 1970 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! Violators will be prosecuted for from ; Tue, 1 Mar 2016 11:53:10 -0000 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 From: Cornelia Huck Date: Tue, 1 Mar 2016 12:52:51 +0100 Message-Id: <1456833183-27244-3-git-send-email-cornelia.huck@de.ibm.com> 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> Subject: [Qemu-devel] [PULL 02/14] s390x/kvm: sync fprs via kvm_run List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: peter.maydell@linaro.org Cc: borntraeger@de.ibm.com, qemu-devel@nongnu.org, agraf@suse.de, David Hildenbrand , jfrei@linux.vnet.ibm.com, Cornelia Huck 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) { -- 2.7.2