[Xen-changelog] [xen-unstable] x86: restore vcpu_destroy_pagetables() call on HVM domain teardown.

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Tim Deegan <tim@xxxxxxx>
# Date 1334911746 -3600
# Node ID 274e5accd62db09a7f703400c8720f7fdd95551a
# Parent  cf2de273869f06e907fb28127682284e8670b1cc
x86: restore vcpu_destroy_pagetables() call on HVM domain teardown.

HVM vcpus that are using shadow pagetables have valid guest_table fields,
which need to be tidied up on domain teardown.

Signed-off-by: Tim Deegan <tim@xxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Committed-by: Tim Deegan <tim@xxxxxxx>
---


diff -r cf2de273869f -r 274e5accd62d xen/arch/x86/domain.c
--- a/xen/arch/x86/domain.c     Fri Apr 20 09:43:46 2012 +0100
+++ b/xen/arch/x86/domain.c     Fri Apr 20 09:49:06 2012 +0100
@@ -2105,13 +2105,14 @@ int domain_relinquish_resources(struct d
         /* Tear down paging-assistance stuff. */
         paging_teardown(d);
 
+        /* Drop the in-use references to page-table bases. */
+        for_each_vcpu ( d, v )
+            vcpu_destroy_pagetables(v);
+
         if ( !is_hvm_domain(d) )
         {
             for_each_vcpu ( d, v )
             {
-                /* Drop the in-use references to page-table bases. */
-                vcpu_destroy_pagetables(v);
-
                 /*
                  * Relinquish GDT mappings. No need for explicit unmapping of
                  * the LDT as it automatically gets squashed with the guest

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