From: Josh Triplett <josh@joshtriplett.org>
Date: Wed, 21 Mar 2012 06:33:51 +0000 (-0700)
Subject: KVM: VMX: Auto-load on CPUs with VMX
X-Git-Tag: next-20120430~23^2~13
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e9bda3b3d0ce775afe15eaf71922d342cc74991c;p=karo-tx-linux.git

KVM: VMX: Auto-load on CPUs with VMX

Enable x86 feature-based autoloading for the kvm-intel module on CPUs
with X86_FEATURE_VMX.

Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Acked-By: Kay Sievers <kay@vrfy.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ad85adfef843..52f685635766 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -27,6 +27,7 @@
 #include <linux/highmem.h>
 #include <linux/sched.h>
 #include <linux/moduleparam.h>
+#include <linux/mod_devicetable.h>
 #include <linux/ftrace_event.h>
 #include <linux/slab.h>
 #include <linux/tboot.h>
@@ -51,6 +52,12 @@
 MODULE_AUTHOR("Qumranet");
 MODULE_LICENSE("GPL");
 
+static const struct x86_cpu_id vmx_cpu_id[] = {
+	X86_FEATURE_MATCH(X86_FEATURE_VMX),
+	{}
+};
+MODULE_DEVICE_TABLE(x86cpu, vmx_cpu_id);
+
 static bool __read_mostly enable_vpid = 1;
 module_param_named(vpid, enable_vpid, bool, 0444);