Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934219AbZIDUUx (ORCPT ); Fri, 4 Sep 2009 16:20:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S934008AbZIDUOY (ORCPT ); Fri, 4 Sep 2009 16:14:24 -0400 Received: from kroah.org ([198.145.64.141]:36140 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933990AbZIDUOT (ORCPT ); Fri, 4 Sep 2009 16:14:19 -0400 X-Mailbox-Line: From gregkh@mini.kroah.org Fri Sep 4 13:08:51 2009 Message-Id: <20090904200851.795978998@mini.kroah.org> User-Agent: quilt/0.48-1 Date: Fri, 04 Sep 2009 13:07:24 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, avi@redhat.com, Avi Kivity Subject: [patch 12/48] KVM: MMU: Flush tlbs after clearing write permission when accessing dirty log References: <20090904200712.724048145@mini.kroah.org> Content-Disposition: inline; filename=kvm-mmu-flush-tlbs-after-clearing-write-permission-when-accessing-dirty-log.patch In-Reply-To: <20090904201112.GA8274@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 985 Lines: 25 2.6.27-stable review patch. If anyone has any objections, please let us know. ------------------ From: Avi Kivity (cherry picked from commit 171d595d3b3254b9a952af8d1f6965d2e85dcbaa) Otherwise, the cpu may allow writes to the tracked pages, and we lose some display bits or fail to migrate correctly. Signed-off-by: Avi Kivity Signed-off-by: Greg Kroah-Hartman --- arch/x86/kvm/mmu.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2069,6 +2069,7 @@ void kvm_mmu_slot_remove_write_access(st if (pt[i] & PT_WRITABLE_MASK) pt[i] &= ~PT_WRITABLE_MASK; } + kvm_flush_remote_tlbs(kvm); spin_unlock(&kvm->mmu_lock); } -- 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/