diff options
| author | Bob Moore <robert.moore@intel.com> | 2014-02-26 10:28:32 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-02-27 00:45:59 +0100 |
| commit | 4ac4c5fad8a320f75cb84543403fb8bae5ad2254 (patch) | |
| tree | 93b6c6a9dbc086412a1c2603cd5b47cc4d322e1f /drivers/acpi/acpica/acdispat.h | |
| parent | 4dde507fc1984435f28862ddd1beb90822aa116c (diff) | |
ACPICA: Headers: Deploy #pragma pack (push) and (pop).
Use push and pop to both guarantee that the correct alignment is used,
and to restore the alignment to whatever it was before the header
was included.
It is reported that the #pragma pack(push/pop) directives are not supported
by the specific GCCs, but this patch still doesn't affect kernel build
as there are already #pragma pack([1]) directives used in the old ACPICA
headers, which means there shouldn't be GCCs that are currently used to
compile the ACPI kernels do not support #pragma pack() directives.
References: https://bugs.acpica.org/show_bug.cgi?id=1058
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/acdispat.h')
| -rw-r--r-- | drivers/acpi/acpica/acdispat.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acdispat.h b/drivers/acpi/acpica/acdispat.h index 5b472c43c31d..53b6dd679ffa 100644 --- a/drivers/acpi/acpica/acdispat.h +++ b/drivers/acpi/acpica/acdispat.h @@ -44,6 +44,8 @@ #ifndef _ACDISPAT_H_ #define _ACDISPAT_H_ +#pragma pack(push) /* Set default struct packing */ + #define NAMEOF_LOCAL_NTE "__L0" #define NAMEOF_ARG_NTE "__A0" @@ -351,4 +353,6 @@ acpi_status acpi_ds_result_push(union acpi_operand_object *object, struct acpi_walk_state *walk_state); +#pragma pack(pop) /* Restore original struct packing */ + #endif /* _ACDISPAT_H_ */ |