Commit abe1dfab authored Nov 26, 2008 by Wu Fengguang Committed by Len Brown Dec 19, 2008

ACPI: don't cond_resched() when irqs_disabled()

The ACPI interpreter usually runs with irqs enabled.
However, during suspend/resume it runs with
irqs disabled to evaluate _GTS/_BFS, as well as
by irqrouter_resume() which evaluates _CRS, _PRS, _SRS.

http://bugzilla.kernel.org/show_bug.cgi?id=12252



Signed-off-by: Wu Fengguang <wfg@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

parent e76f4276

include/acpi/platform/aclinux.h

+5 −1

Original line number	Diff line number	Diff line
		@@ -141,6 +141,10 @@ static inline void acpi_os_acquire_object(acpi_cache_t cache)
		/*
		* We need to show where it is safe to preempt execution of ACPICA
		*/
		#define ACPI_PREEMPTION_POINT() cond_resched()
		#define ACPI_PREEMPTION_POINT() \
		do { \
		if (!irqs_disabled()) \
		cond_resched(); \
		} while (0)

		#endif /* __ACLINUX_H__ */