[PATCH 27/27] KVM: SVM: Report Nested Paging support to userspace

From: Joerg Roedel
Date: Mon Sep 06 2010 - 11:03:29 EST


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

Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
---
arch/x86/kvm/svm.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 932183e..dd6c529 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3478,6 +3478,10 @@ 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;
}
}
--
1.7.0.4


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