x86: apic - unify apic_set_verbosity

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 14 insertions, 3 deletions

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index af227bce23b1..acbc4dea2ee8 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1768,13 +1768,24 @@ early_param("lapic_timer_c2_ok", parse_lapic_timer_c2_ok);
 
 static int __init apic_set_verbosity(char *arg)
 {
-        if (!arg)
+        if (!arg)  {
+#ifdef CONFIG_X86_64
+                skip_ioapic_setup = 0;
+                ioapic_force = 1;
+                return 0;
+#endif
                 return -EINVAL;
+        }
 
-        if (strcmp(arg, "debug") == 0)
+        if (strcmp("debug", arg) == 0)
                 apic_verbosity = APIC_DEBUG;
-        else if (strcmp(arg, "verbose") == 0)
+        else if (strcmp("verbose", arg) == 0)
                 apic_verbosity = APIC_VERBOSE;
+        else {
+                printk(KERN_WARNING "APIC Verbosity level %s not recognised"
+                        " use apic=verbose or apic=debug\n", arg);
+                return -EINVAL;
+        }
 
         return 0;
 }