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>
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 029c8c0..0515e75 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -141,6 +141,10 @@
/*
* 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__ */