From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754746Ab2HaRhO (ORCPT ); Fri, 31 Aug 2012 13:37:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:20790 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754719Ab2HaRhN (ORCPT ); Fri, 31 Aug 2012 13:37:13 -0400 Date: Fri, 31 Aug 2012 14:37:07 -0300 From: Marcelo Tosatti To: Davidlohr Bueso Cc: Avi Kivity , KVM , lkml Subject: Re: [PATCH] KVM: VMX: invalidate vpid for invlpg instruction Message-ID: <20120831173707.GA3895@amt.cnet> References: <1346429448.2823.1.camel@offbook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1346429448.2823.1.camel@offbook> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 31, 2012 at 06:10:48PM +0200, Davidlohr Bueso wrote: > For processors that support VPIDs we should invalidate the page table entry > specified by the lineal address. For this purpose add support for individual > address invalidations. Not necessary - a single context invalidation is performed through KVM_REQ_TLB_FLUSH. Single-context. If the INVVPID type is 1, the logical processor invalidates all linear mappings and combined mappings associated with the VPID specified in the INVVPID descriptor.