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[PATCH] ACPI keep track of timer broadcasting

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This is a preperatory patch for highres/dyntick:

- replace the big #ifdef ARCH_APICTIMER_STOPS_ON_C3 hackery by functions

- remove the double switch in the power verify function (in the worst case
  we switched ipi to apic and 20usec later apic to ipi)

- keep track of the the state which stops local APIC timer

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Len Brown <len.brown@intel.com>
Cc: <linux-acpi@vger.kernel.org>
Cc: Andi Kleen <ak@suse.de>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Thomas Gleixner 2007-02-16 01:27:55 -08:00 • committed by Linus Torvalds
parent 3434933b17
commit 169a0abbe3
2 changed files with 48 additions and 19 deletions
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1
include/acpi/processor.h
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@ -79,6 +79,7 @@ struct acpi_processor_power {
u32 bm_activity;
int count;
struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER];
int timer_broadcast_on_state;
};
/* Performance Management */