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[3/6] kvm/x86/mmu: don't unnecessarily recalculate table_gfn in *fetch

Message ID 1236255153-4432-4-git-send-email-joerg.roedel@amd.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Joerg Roedel March 5, 2009, 12:12 p.m. UTC 
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
 arch/x86/kvm/paging_tmpl.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
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Patch

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index a0c11ea..79668ba 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -315,7 +315,7 @@  static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
 			direct = 1;
 			if (!is_dirty_pte(gw->ptes[level - 1]))
 				access &= ~ACC_WRITE_MASK;
-			table_gfn = gpte_to_gfn(gw->ptes[level - 1]);
+			table_gfn = gw->table_gfn[level - delta];
 		} else {
 			direct = 0;
 			table_gfn = gw->table_gfn[level - 2];