[PATCH] kvm-amd: Auto-load on CPUs with SVM.

From: Josh Triplett
Date: Wed Mar 28 2012 - 14:32:37 EST


Enable x86 feature-based autoloading for the kvm-amd module on CPUs
with X86_FEATURE_SVM.

Signed-off-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
---

On Wed, Mar 28, 2012 at 01:26:01PM +0200, Avi Kivity wrote:
> On 03/21/2012 08:33 AM, Josh Triplett wrote:
> > Enable x86 feature-based autoloading for the kvm-intel module on CPUs
> > with X86_FEATURE_VMX.
>
> Thanks, applied.

As promised, the corresponding patch for kvm-amd.

arch/x86/kvm/svm.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index e385214..cd95ea7 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -22,6 +22,7 @@
#include "x86.h"

#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/kernel.h>
#include <linux/vmalloc.h>
#include <linux/highmem.h>
@@ -42,6 +43,12 @@
MODULE_AUTHOR("Qumranet");
MODULE_LICENSE("GPL");

+static const struct x86_cpu_id svm_cpu_id[] = {
+ X86_FEATURE_MATCH(X86_FEATURE_SVM),
+ {}
+};
+MODULE_DEVICE_TABLE(x86cpu, svm_cpu_id);
+
#define IOPM_ALLOC_ORDER 2
#define MSRPM_ALLOC_ORDER 1

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