Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757632AbZFIKWg (ORCPT ); Tue, 9 Jun 2009 06:22:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760568AbZFIKSp (ORCPT ); Tue, 9 Jun 2009 06:18:45 -0400 Received: from kroah.org ([198.145.64.141]:54613 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760311AbZFIKSo (ORCPT ); Tue, 9 Jun 2009 06:18:44 -0400 X-Mailbox-Line: From greg@blue.kroah.org Tue Jun 9 02:40:58 2009 Message-Id: <20090609094058.091815716@blue.kroah.org> User-Agent: quilt/0.48-1 Date: Tue, 09 Jun 2009 02:39:14 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: Justin Forbes , Zwane Mwaikambo , "Theodore Ts'o" , Randy Dunlap , Dave Jones , Chuck Wolber , Chris Wedgwood , Michael Krufky , Chuck Ebbert , Domenico Andreoli , Willy Tarreau , Rodrigo Rubira Branco , Jake Edge , Eugene Teo , torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Avi Kivity , Greg Kroah-Hartman Subject: [patch 26/87] KVM: Make paravirt tlb flush also reload the PAE PDPTRs References: <20090609093848.204935043@blue.kroah.org> Content-Disposition: inline; filename=kvm-make-paravirt-tlb-flush-also-reload-the-pae-pdptrs.patch In-Reply-To: <20090609094451.GA26439@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1192 Lines: 29 2.6.29-stable review patch. If anyone has any objections, please let us know. ------------------ From: Avi Kivity commit a8cd0244e9cebcf9b358d24c7e7410062f3665cb upstream. The paravirt tlb flush may be used not only to flush TLBs, but also to reload the four page-directory-pointer-table entries, as it is used as a replacement for reloading CR3. Change the code to do the entire CR3 reloading dance instead of simply flushing the TLB. Signed-off-by: Avi Kivity Signed-off-by: Greg Kroah-Hartman --- arch/x86/kvm/mmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2906,8 +2906,7 @@ static int kvm_pv_mmu_write(struct kvm_v static int kvm_pv_mmu_flush_tlb(struct kvm_vcpu *vcpu) { - kvm_x86_ops->tlb_flush(vcpu); - set_bit(KVM_REQ_MMU_SYNC, &vcpu->requests); + kvm_set_cr3(vcpu, vcpu->arch.cr3); return 1; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/