From da928521b7a095e85f6ac92a6c106bca7e17625f Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@qumranet.com>
Date: Wed, 21 Nov 2007 13:54:47 +0200
Subject: KVM: MMU: Move pse36 handling to the guest walker

Signed-off-by: Avi Kivity <avi@qumranet.com>
---
 drivers/kvm/mmu.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'drivers/kvm/mmu.c')

diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index 346aa65a08d5..a9fed594ac58 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -218,6 +218,13 @@ static int is_rmap_pte(u64 pte)
 		&& pte != shadow_notrap_nonpresent_pte;
 }
 
+static gfn_t pse36_gfn_delta(u32 gpte)
+{
+	int shift = 32 - PT32_DIR_PSE36_SHIFT - PAGE_SHIFT;
+
+	return (gpte & PT32_DIR_PSE36_MASK) << shift;
+}
+
 static void set_shadow_pte(u64 *sptep, u64 spte)
 {
 #ifdef CONFIG_X86_64
-- 
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