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-rw-r--r--arch/x86/kvm/svm/sev.c2
-rw-r--r--arch/x86/kvm/svm/svm.c11
-rw-r--r--arch/x86/kvm/svm/svm.h1
3 files changed, 6 insertions, 8 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 5585a3556179..85d1abdf7d7d 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -2185,7 +2185,7 @@ void __init sev_hardware_setup(void)
bool sev_es_supported = false;
bool sev_supported = false;
- if (!sev_enabled || !npt_enabled)
+ if (!sev_enabled || !npt_enabled || !nrips)
goto out;
/*
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index d7a474571ff1..5cf2380c89dd 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -203,7 +203,7 @@ static int nested = true;
module_param(nested, int, S_IRUGO);
/* enable/disable Next RIP Save */
-static int nrips = true;
+int nrips = true;
module_param(nrips, int, 0444);
/* enable/disable Virtual VMLOAD VMSAVE */
@@ -5156,9 +5156,11 @@ static __init int svm_hardware_setup(void)
svm_adjust_mmio_mask();
+ nrips = nrips && boot_cpu_has(X86_FEATURE_NRIPS);
+
/*
* Note, SEV setup consumes npt_enabled and enable_mmio_caching (which
- * may be modified by svm_adjust_mmio_mask()).
+ * may be modified by svm_adjust_mmio_mask()), as well as nrips.
*/
sev_hardware_setup();
@@ -5170,11 +5172,6 @@ static __init int svm_hardware_setup(void)
goto err;
}
- if (nrips) {
- if (!boot_cpu_has(X86_FEATURE_NRIPS))
- nrips = false;
- }
-
enable_apicv = avic = avic && avic_hardware_setup();
if (!enable_apicv) {
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 800ca1776b59..1498956a589f 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -33,6 +33,7 @@
#define MSRPM_OFFSETS 32
extern u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly;
extern bool npt_enabled;
+extern int nrips;
extern int vgif;
extern bool intercept_smi;
extern bool x2avic_enabled;