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Subject[patch 05/19] ACPI: Include apic.h
From: Thomas Gleixner <>

apic.h does not get included on UP compiles.
That way the APICTIMER_STOPS_ON_C3 is not there and UP boxen have no support
for timer broadcasting. This was never noticed, because the lapic timer is
only used for profiling on UP.

Signed-off-by: Thomas Gleixner <>
Signed-off-by: Ingo Molnar <>

Index: linux-2.6.19-rc5-mm1/drivers/acpi/processor_idle.c
--- linux-2.6.19-rc5-mm1.orig/drivers/acpi/processor_idle.c 2006-11-09 17:47:58.000000000 +0100
+++ linux-2.6.19-rc5-mm1/drivers/acpi/processor_idle.c 2006-11-09 20:20:06.000000000 +0100
@@ -40,6 +40,16 @@
#include <linux/sched.h> /* need_resched() */
#include <linux/latency.h>

+ * Include the apic definitions for x86 to have the APIC timer related defines
+ * available also for UP (on SMP it gets magically included via linux/smp.h).
+ * asm/acpi.h is not an option, as it would require more include magic. Also
+ * creating an empty asm-ia64/apic.h would just trade pest vs. cholera.
+ */
+#ifdef CONFIG_X86
+#include <asm/apic.h>
#include <asm/io.h>
#include <asm/uaccess.h>


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