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authorBob Moore <robert.moore@intel.com>2014-03-24 14:49:13 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-03-26 16:25:59 +0100
commitd18255795bf98b3f25dbc5334b8a615943c3dcca (patch)
tree8911d93a80fb03e95cb0d6eee793b085af09152b /drivers/acpi/acpica/acobject.h
parent21bd7e610ef75ef26387ed4667801080b5b7220a (diff)
downloadblackbird-op-linux-d18255795bf98b3f25dbc5334b8a615943c3dcca.tar.gz
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ACPICA: Ignore sync_level for methods that have been auto-serialized.
Cannot use a sync_level for methods that have been serialized at load-time or runtime because this may interfere with any existing use of sync_levels within the ASL code. So, we simply ignore the sync_level for these methods, thus preserving any existing sync_level priorities. Note, the use of sync_levels is actually rather rare within BIOS ASL code. References: http://www.spinics.net/lists/linux-acpi/msg49496.html Reported-by: Valdis Kletnieks <valdis.kletnieks@vt.edu> Reported-by: Sabrina Dubroka <sd@queasysnail.net> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/acobject.h')
-rw-r--r--drivers/acpi/acpica/acobject.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h
index 1a4d61805ebc..22fb6449d3d6 100644
--- a/drivers/acpi/acpica/acobject.h
+++ b/drivers/acpi/acpica/acobject.h
@@ -193,7 +193,8 @@ struct acpi_object_method {
#define ACPI_METHOD_INTERNAL_ONLY 0x02 /* Method is implemented internally (_OSI) */
#define ACPI_METHOD_SERIALIZED 0x04 /* Method is serialized */
#define ACPI_METHOD_SERIALIZED_PENDING 0x08 /* Method is to be marked serialized */
-#define ACPI_METHOD_MODIFIED_NAMESPACE 0x10 /* Method modified the namespace */
+#define ACPI_METHOD_IGNORE_SYNC_LEVEL 0x10 /* Method was auto-serialized at table load time */
+#define ACPI_METHOD_MODIFIED_NAMESPACE 0x20 /* Method modified the namespace */
/******************************************************************************
*
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