From c8822fb01990bf7f48c02d9cc159ea40655c7d16 Mon Sep 17 00:00:00 2001 From: George Dunlap Date: Wed, 19 Sep 2007 11:42:05 +0100 Subject: [PATCH] [SHADOW] Use fast-unshadow for early_unshadow heuristic. --- xen/arch/x86/mm/shadow/multi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/x86/mm/shadow/multi.c b/xen/arch/x86/mm/shadow/multi.c index 82c54c5207..a68c1e06e0 100644 --- a/xen/arch/x86/mm/shadow/multi.c +++ b/xen/arch/x86/mm/shadow/multi.c @@ -2551,7 +2551,7 @@ static inline void check_for_early_unshadow(struct vcpu *v, mfn_t gmfn) if ( !(flags & (SHF_L2_32|SHF_L2_PAE|SHF_L2H_PAE|SHF_L4_64)) ) { perfc_incr(shadow_early_unshadow); - sh_remove_shadows(v, gmfn, 0, 0 /* Slow, can fail to unshadow */ ); + sh_remove_shadows(v, gmfn, 1, 0 /* Fast, can fail to unshadow */ ); } } v->arch.paging.shadow.last_emulated_mfn = mfn_x(gmfn); -- 2.30.2