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 /include/acpi/actypes.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 'include/acpi/actypes.h')
| -rw-r--r-- | include/acpi/actypes.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index e76356574374..c28573da1662 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -44,6 +44,8 @@ #ifndef __ACTYPES_H__ #define __ACTYPES_H__ +#pragma pack(push) /* Set default struct packing */ + /* acpisrc:struct_defs -- for acpisrc conversion */ /* @@ -1223,4 +1225,6 @@ struct acpi_memory_list { #define ACPI_OSI_WIN_7 0x0B #define ACPI_OSI_WIN_8 0x0C +#pragma pack(pop) /* Restore original struct packing */ + #endif /* __ACTYPES_H__ */ |