[Xen-devel] [PATCH] linux/x86-64: MCE: truely do Dom0 stuff only on Dom0

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

--- a/arch/x86_64/kernel/mce.c
+++ b/arch/x86_64/kernel/mce.c
@@ -665,7 +665,6 @@ nomem:
 };
 #endif
 
-extern void bind_virq_for_mce(void);
 static __init int mce_init_device(void)
 {
        int err;
@@ -684,10 +683,14 @@ static __init int mce_init_device(void)
        register_hotcpu_notifier(&mce_cpu_notifier);
        misc_register(&mce_log_device);
 
-    /*Register vIRQ handler for MCE LOG processing*/
-#if defined(CONFIG_X86_XEN_MCE)
-    printk(KERN_DEBUG "MCE: bind virq for DOM0 Logging\n");
-    bind_virq_for_mce();
+#ifdef CONFIG_X86_XEN_MCE
+       if (is_initial_xendomain()) {
+               /* Register vIRQ handler for MCE LOG processing */
+               extern void bind_virq_for_mce(void);
+
+               printk(KERN_DEBUG "MCE: bind virq for DOM0 logging\n");
+               bind_virq_for_mce();
+       }
 #endif
 
        return err;




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