From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S968631AbdD0MLT convert rfc822-to-8bit (ORCPT ); Thu, 27 Apr 2017 08:11:19 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:43307 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967435AbdD0MLK (ORCPT ); Thu, 27 Apr 2017 08:11:10 -0400 Date: Thu, 27 Apr 2017 14:11:02 +0200 From: Cornelia Huck To: Radim =?UTF-8?B?S3LEjW3DocWZ?= Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Christoffer Dall , Andrew Jones , Marc Zyngier , Paolo Bonzini , Christian Borntraeger , James Hogan , Paul Mackerras Subject: Re: [PATCH v2 7/9] KVM: improve arch vcpu request defining In-Reply-To: <20170426203227.12321-8-rkrcmar@redhat.com> References: <20170426203227.12321-1-rkrcmar@redhat.com> <20170426203227.12321-8-rkrcmar@redhat.com> Organization: IBM Deutschland Research & Development GmbH Vorsitzende des Aufsichtsrats: Martina Koederitz =?UTF-8?B?R2VzY2jDpGZ0c2bDvGhydW5nOg==?= Dirk Wittkopp Sitz der Gesellschaft: =?UTF-8?B?QsO2Ymxpbmdlbg==?= Registergericht: Amtsgericht Stuttgart, HRB 243294 X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.23; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT X-TM-AS-GCONF: 00 x-cbid: 17042712-0040-0000-0000-000003968EF3 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17042712-0041-0000-0000-00001FE36FC1 Message-Id: <20170427141102.11b4f600.cornelia.huck@de.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-04-27_08:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1704270204 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 26 Apr 2017 22:32:25 +0200 Radim Krčmář wrote: > From: Andrew Jones > > Marc Zyngier suggested that we define the arch specific VCPU request > base, rather than requiring each arch to remember to start from 8. > That suggestion, along with Radim Krčmář's recent VCPU request flag > addition, snowballed into defining something of an arch VCPU request > defining API. > > No functional change. > > (Looks like x86 is running out of arch VCPU request bits. Maybe > someday we'll need to extend to 64.) > > Signed-off-by: Andrew Jones > --- > arch/arm/include/asm/kvm_host.h | 2 +- > arch/arm64/include/asm/kvm_host.h | 2 +- > arch/powerpc/include/asm/kvm_host.h | 4 ++-- > arch/s390/include/asm/kvm_host.h | 6 ++--- > arch/x86/include/asm/kvm_host.h | 44 ++++++++++++++++++------------------- > include/linux/kvm_host.h | 8 +++++++ > 6 files changed, 37 insertions(+), 29 deletions(-) Reviewed-by: Cornelia Huck