[patch] KVM: mmu.c, change BUG_ON() to WARN_ON()

[Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>]

Subject: [patch] KVM: mmu.c, change BUG_ON() to WARN_ON()
From: Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>

this triggered for me with the cr3 cache - do not crash the host, just 
warn about the condition. (Given that there is code after the BUG_ON() 
this was the anticipated behavior i suspect.)

Signed-off-by: Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>

Index: linux/drivers/kvm/mmu.c
===================================================================
--- linux.orig/drivers/kvm/mmu.c
+++ linux/drivers/kvm/mmu.c
@@ -514,7 +514,7 @@ static void mmu_page_remove_parent_pte(s
 	int i;
 
 	if (!page->multimapped) {
-		BUG_ON(page->parent_pte != parent_pte);
+		WARN_ON(page->parent_pte != parent_pte);
 		page->parent_pte = NULL;
 		return;
 	}

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