KVM: VMX: Auto-load on CPUs with VMX
Josh Triplett [Wed, 21 Mar 2012 06:33:51 +0000 (23:33 -0700)]
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>

arch/x86/kvm/vmx.c

index ad85adf..52f6856 100644 (file)
@@ -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>
 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);