Mailing List Archive

[PATCH] linux-2.6.18/x86: refuse to initialize the microcode driver in DomU
Signed-off-by: Jan Beulich <jbeulich@suse.com>

--- a/arch/i386/kernel/microcode-xen.c
+++ b/arch/i386/kernel/microcode-xen.c
@@ -121,6 +121,9 @@ static int __init microcode_init (void)
{
int error;

+ if (!is_initial_xendomain())
+ return -ENODEV;
+
error = misc_register(&microcode_dev);
if (error) {
printk(KERN_ERR




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