From: Avi Kivity <avi@qumranet.com>
Date: Thu, 11 Oct 2007 13:13:49 +0000 (+0200)
Subject: KVM: MMU: Instantiate real-mode shadows as user writable shadows
X-Git-Tag: firefly_0821_release~23631^2~215
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6bfccdc9ae55bb2e0be2e015d7d1ba061f4071c5;p=firefly-linux-kernel-4.4.55.git

KVM: MMU: Instantiate real-mode shadows as user writable shadows

This is consistent with real-mode permissions.

Signed-off-by: Avi Kivity <avi@qumranet.com>
---

diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index e6616a6c9cef..f52604a7f9e8 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -902,7 +902,7 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, hpa_t p)
 				>> PAGE_SHIFT;
 			new_table = kvm_mmu_get_page(vcpu, pseudo_gfn,
 						     v, level - 1,
-						     1, 0, &table[index]);
+						     1, 3, &table[index]);
 			if (!new_table) {
 				pgprintk("nonpaging_map: ENOMEM\n");
 				return -ENOMEM;