From: Thomas Gleixner <[email protected]>
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 <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: Roman Zippel <[email protected]>
Cc: john stultz <[email protected]>
Cc: Len Brown <[email protected]>
Cc: Andi Kleen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
drivers/acpi/processor_idle.c | 10 ++++++++++
1 file changed, 10 insertions(+)
Index: linux-2.6.20-rc4-mm1-bo/drivers/acpi/processor_idle.c
===================================================================
--- linux-2.6.20-rc4-mm1-bo.orig/drivers/acpi/processor_idle.c
+++ linux-2.6.20-rc4-mm1-bo/drivers/acpi/processor_idle.c
@@ -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>
+#endif
+
#include <asm/io.h>
#include <asm/uaccess.h>
--
-
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