x86-64: add "local_apic_timer_c2_ok" here too

Needed for any architecture that claims ARCH_APICTIMER_STOPS_ON_C3,
not just i386.

I'm hoping Thomas will clean this up a bit later..

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index 723417d924c0..46acf4f2f1ec 100644
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -47,6 +47,10 @@ int apic_calibrate_pmtmr __initdata;
 
 int disable_apic_timer __initdata;
 
+/* Local APIC timer works in C2? */
+int local_apic_timer_c2_ok;
+EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
+
 static struct resource *ioapic_resources;
 static struct resource lapic_resource = {
         .name = "Local APIC",
@@ -1192,6 +1196,13 @@ static __init int setup_nolapic(char *str)
 } 
 early_param("nolapic", setup_nolapic);
 
+static int __init parse_lapic_timer_c2_ok(char *arg)
+{
+        local_apic_timer_c2_ok = 1;
+        return 0;
+}
+early_param("lapic_timer_c2_ok", parse_lapic_timer_c2_ok);
+
 static __init int setup_noapictimer(char *str) 
 { 
         if (str[0] != ' ' && str[0] != 0)