[Xen-changelog] [xen-unstable] x86 shadow: Re-init per-page spinlock before freeing p2m pages.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1216203906 -3600
# Node ID 0796aa57d297ec3434605850f024422bd58637d6
# Parent  3fe6df9afd5d42e655f0fa9ff009372fd8efa84d
x86 shadow: Re-init per-page spinlock before freeing p2m pages.
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
---
 xen/arch/x86/mm/shadow/common.c |    3 +++
 1 files changed, 3 insertions(+)

diff -r 3fe6df9afd5d -r 0796aa57d297 xen/arch/x86/mm/shadow/common.c
--- a/xen/arch/x86/mm/shadow/common.c   Wed Jul 16 11:16:48 2008 +0100
+++ b/xen/arch/x86/mm/shadow/common.c   Wed Jul 16 11:25:06 2008 +0100
@@ -1676,6 +1676,9 @@ shadow_free_p2m_page(struct domain *d, s
     /* Free should not decrement domain's total allocation, since 
      * these pages were allocated without an owner. */
     page_set_owner(pg, NULL); 
+#if defined(__x86_64__)
+    spin_lock_init(&pg->lock);
+#endif
     free_domheap_pages(pg, 0);
     d->arch.paging.shadow.p2m_pages--;
     perfc_decr(shadow_alloc_count);

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