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 <[email protected]>
Acked-By: Kay Sievers <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>

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);