From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3t2LH51bnQzDvWm for ; Mon, 24 Oct 2016 13:45:04 +1100 (AEDT) Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u9O2hlJs050971 for ; Sun, 23 Oct 2016 22:45:02 -0400 Received: from e28smtp01.in.ibm.com (e28smtp01.in.ibm.com [125.16.236.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 26892167ns-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Sun, 23 Oct 2016 22:45:01 -0400 Received: from localhost by e28smtp01.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 24 Oct 2016 08:14:58 +0530 Received: from d28relay05.in.ibm.com (d28relay05.in.ibm.com [9.184.220.62]) by d28dlp03.in.ibm.com (Postfix) with ESMTP id F2B4E1258026 for ; Mon, 24 Oct 2016 08:15:33 +0530 (IST) Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay05.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u9O2itVj44171304 for ; Mon, 24 Oct 2016 08:14:55 +0530 Received: from d28av05.in.ibm.com (localhost [127.0.0.1]) by d28av05.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u9O2iqJC017209 for ; Mon, 24 Oct 2016 08:14:54 +0530 Date: Mon, 24 Oct 2016 10:44:45 +0800 From: xinhui MIME-Version: 1.0 To: David Laight , "linux-kernel@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "virtualization@lists.linux-foundation.org" , "linux-s390@vger.kernel.org" , "xen-devel-request@lists.xenproject.org" , "kvm@vger.kernel.org" CC: "kernellwp@gmail.com" , "jgross@suse.com" , "rkrcmar@redhat.com" , "peterz@infradead.org" , "will.deacon@arm.com" , "borntraeger@de.ibm.com" , "mingo@redhat.com" , "paulus@samba.org" , "pbonzini@redhat.com" , "paulmck@linux.vnet.ibm.com" , "boqun.feng@gmail.com" Subject: Re: [PATCH v5 9/9] Documentation: virtual: kvm: Support vcpu preempted check References: <1476998874-2089-1-git-send-email-xinhui.pan@linux.vnet.ibm.com> <1476998874-2089-10-git-send-email-xinhui.pan@linux.vnet.ibm.com> <063D6719AE5E284EB5DD2968C1650D6DB0207B44@AcuExch.aculab.com> In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6DB0207B44@AcuExch.aculab.com> Content-Type: text/plain; charset=UTF-8; format=flowed Message-Id: <580D759D.4000304@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 2016年10月21日 19:27, David Laight wrote: > From: Pan Xinhui >> Sent: 20 October 2016 22:28 >> Commit ("x86, kvm: support vcpu preempted check") add one field "__u8 >> preempted" into struct kvm_steal_time. This field tells if one vcpu is >> running or not. >> >> It is zero if 1) some old KVM deos not support this filed. 2) the vcpu is >> preempted. Other values means the vcpu has been preempted. >> >> Signed-off-by: Pan Xinhui >> --- >> Documentation/virtual/kvm/msr.txt | 8 +++++++- >> 1 file changed, 7 insertions(+), 1 deletion(-) >> >> diff --git a/Documentation/virtual/kvm/msr.txt b/Documentation/virtual/kvm/msr.txt >> index 2a71c8f..3376f13 100644 >> --- a/Documentation/virtual/kvm/msr.txt >> +++ b/Documentation/virtual/kvm/msr.txt >> @@ -208,7 +208,8 @@ MSR_KVM_STEAL_TIME: 0x4b564d03 >> __u64 steal; >> __u32 version; >> __u32 flags; >> - __u32 pad[12]; >> + __u8 preempted; >> + __u32 pad[11]; >> } > > I think I'd be explicit about the 3 pad bytes you've left. > yes,I will do it in next version. thanks > David >