This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


[Xen-changelog] [xen-unstable] shadow: Fix TLB flushing in the second pa

To: xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-changelog] [xen-unstable] shadow: Fix TLB flushing in the second pass of sh_prealloc() in the
From: Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Fri, 25 Apr 2008 06:30:15 -0700
Delivery-date: Fri, 25 Apr 2008 06:30:50 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-changelog-request@lists.xensource.com?subject=help>
List-id: BK change log <xen-changelog.lists.xensource.com>
List-post: <mailto:xen-changelog@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=unsubscribe>
Reply-to: xen-devel@xxxxxxxxxxxxxxxxxxx
Sender: xen-changelog-bounces@xxxxxxxxxxxxxxxxxxx
# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1209126439 -3600
# Node ID 7689e311f3b5ee4a4d547405c73e40ab689875f0
# Parent  97da69831384f0819caeeb8b8bdff0f942b2d690
shadow: Fix TLB flushing in the second pass of sh_prealloc() in the
case where multiple vcpus use the same pagetables.

Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
 xen/arch/x86/mm/shadow/common.c |    4 +---
 1 files changed, 1 insertion(+), 3 deletions(-)

diff -r 97da69831384 -r 7689e311f3b5 xen/arch/x86/mm/shadow/common.c
--- a/xen/arch/x86/mm/shadow/common.c   Thu Apr 24 14:33:42 2008 +0100
+++ b/xen/arch/x86/mm/shadow/common.c   Fri Apr 25 13:27:19 2008 +0100
@@ -781,7 +781,6 @@ static void _shadow_prealloc(
     struct vcpu *v, *v2;
     struct list_head *l, *t;
     struct shadow_page_info *sp;
-    cpumask_t flushmask = CPU_MASK_NONE;
     mfn_t smfn;
     int i;
@@ -819,12 +818,11 @@ static void _shadow_prealloc(
-                cpus_or(flushmask, v2->vcpu_dirty_cpumask, flushmask);
                 /* See if that freed up enough space */
                 if ( space_is_available(d, order, count) )
-                    flush_tlb_mask(flushmask);
+                    flush_tlb_mask(d->domain_dirty_cpumask);

Xen-changelog mailing list

<Prev in Thread] Current Thread [Next in Thread>
  • [Xen-changelog] [xen-unstable] shadow: Fix TLB flushing in the second pass of sh_prealloc() in the, Xen patchbot-unstable <=