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authorWu Fengguang <fengguang.wu@intel.com>2008-11-26 01:35:22 -0500
committerLen Brown <len.brown@intel.com>2008-12-19 04:38:33 -0500
commitabe1dfab60e1839d115930286cb421f5a5b193f3 (patch)
treee47757bf2fcd10086b64c623220138478a73e9db /include/acpi/platform/aclinux.h
parente76f42761197dd6e9405e2eeb35932acfede115a (diff)
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>
Diffstat (limited to 'include/acpi/platform/aclinux.h')
-rw-r--r--include/acpi/platform/aclinux.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 029c8c06c151..0515e754449d 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -141,6 +141,10 @@ static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
141/* 141/*
142 * We need to show where it is safe to preempt execution of ACPICA 142 * We need to show where it is safe to preempt execution of ACPICA
143 */ 143 */
144#define ACPI_PREEMPTION_POINT() cond_resched() 144#define ACPI_PREEMPTION_POINT() \
145 do { \
146 if (!irqs_disabled()) \
147 cond_resched(); \
148 } while (0)
145 149
146#endif /* __ACLINUX_H__ */ 150#endif /* __ACLINUX_H__ */