From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 10 Sep 2010 15:31:05 +0000 (+0200)
Subject: KVM: SVM: Report Nested Paging support to userspace
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3d4aeaad8bb8f8084a414819934b73ab49c26c92;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

KVM: SVM: Report Nested Paging support to userspace

This patch implements the reporting of the nested paging
feature support to userspace.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index de1930ee2abb..36e6c88913dc 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3481,6 +3481,10 @@ static void svm_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry)
 		if (svm_has(SVM_FEATURE_NRIP))
 			entry->edx |= SVM_FEATURE_NRIP;
 
+		/* Support NPT for the guest if enabled */
+		if (npt_enabled)
+			entry->edx |= SVM_FEATURE_NPT;
+
 		break;
 	}
 }