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[PATCH] ACPI: fix missing include for UP

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 <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Thomas Gleixner 18 年之前
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共有 1 个文件被更改,包括 10 次插入0 次删除
  1. 10 0
      drivers/acpi/processor_idle.c

+ 10 - 0
drivers/acpi/processor_idle.c

@@ -40,6 +40,16 @@
 #include <linux/sched.h>	/* need_resched() */
 #include <linux/sched.h>	/* need_resched() */
 #include <linux/latency.h>
 #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/io.h>
 #include <asm/uaccess.h>
 #include <asm/uaccess.h>