From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raghavendra K T Subject: Re: [PATCH V2] Documentation/kvm: Update cpuid documentation for steal time and pv eoi Date: Thu, 12 Sep 2013 10:51:39 +0530 Message-ID: <52314F63.8040409@linux.vnet.ibm.com> References: <1378284526-863-1-git-send-email-raghavendra.kt@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Gleb Natapov , Paolo Bonzini , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Rob Landley , mtosatti@redhat.com To: Raghavendra K T , "Michael S. Tsirkin" Return-path: Received: from e28smtp01.in.ibm.com ([122.248.162.1]:43666 "EHLO e28smtp01.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753001Ab3ILFPo (ORCPT ); Thu, 12 Sep 2013 01:15:44 -0400 Received: from /spool/local by e28smtp01.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 12 Sep 2013 10:36:05 +0530 In-Reply-To: <1378284526-863-1-git-send-email-raghavendra.kt@linux.vnet.ibm.com> Sender: kvm-owner@vger.kernel.org List-ID: On 09/04/2013 02:18 PM, Raghavendra K T wrote: > Signed-off-by: Raghavendra K T > --- > Changes in V2: > Correction in the description of steal time and added msr info (Michael S Tsirkin) > > Documentation/virtual/kvm/cpuid.txt | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/Documentation/virtual/kvm/cpuid.txt b/Documentation/virtual/kvm/cpuid.txt > index 22ff659..6c4fb20 100644 > --- a/Documentation/virtual/kvm/cpuid.txt > +++ b/Documentation/virtual/kvm/cpuid.txt > @@ -43,6 +43,16 @@ KVM_FEATURE_CLOCKSOURCE2 || 3 || kvmclock available at msrs > KVM_FEATURE_ASYNC_PF || 4 || async pf can be enabled by > || || writing to msr 0x4b564d02 > ------------------------------------------------------------------------------ > +KVM_FEATURE_STEAL_TIME || 5 || Steal time available at msr > + || || 0x4b564d03. The feature is enabled > + || || by guest when host has schedstat > + || || or task delay accounting support. > +------------------------------------------------------------------------------ > +KVM_FEATURE_PV_EOI || 6 || overrides the generic EOI > + || || implementation with a > + || || paravirtualized version. Available > + || || at msr 0x4b564d04. > +------------------------------------------------------------------------------ > KVM_FEATURE_PV_UNHALT || 7 || guest checks this feature bit > || || before enabling paravirtualized > || || spinlock support. > Michael, Are you okay with the above patch. Please let me know.