From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH] KVM: Enable "fast string operations" in MSR_IA32_MISC_ENABLE Date: Tue, 04 Oct 2011 16:15:42 +0200 Message-ID: <4E8B150E.1050100@redhat.com> References: <1316692982-11539-1-git-send-email-avi@redhat.com> <20110923145650.GB1618@amt.cnet> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Marcelo Tosatti Return-path: Received: from mx1.redhat.com ([209.132.183.28]:16500 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757149Ab1JDOPp (ORCPT ); Tue, 4 Oct 2011 10:15:45 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p94EFjbP016129 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 4 Oct 2011 10:15:45 -0400 In-Reply-To: <20110923145650.GB1618@amt.cnet> Sender: kvm-owner@vger.kernel.org List-ID: On 09/23/2011 05:56 PM, Marcelo Tosatti wrote: > On Thu, Sep 22, 2011 at 03:03:02PM +0300, Avi Kivity wrote: > > Recent (3.0+) Linux guests check for the fast string bit in > > MSR_IA32_MISC_ENABLE before enabling rep/movs based memcpy and > > related on fam 6/model 13+ processors. > > > > Enable the bit by default, as required by the specification. > > > > Signed-off-by: Avi Kivity > > Belongs to userspace. > Right - patch coming up. -- error compiling committee.c: too many arguments to function