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| 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/actbl3.h | |
| parent | 4dde507fc1984435f28862ddd1beb90822aa116c (diff) | |
| download | linux-4ac4c5fad8a320f75cb84543403fb8bae5ad2254.tar.bz2 | |
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/actbl3.h')
| -rw-r--r-- | include/acpi/actbl3.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h index c2295cc4a5c0..85ebeea02b81 100644 --- a/include/acpi/actbl3.h +++ b/include/acpi/actbl3.h @@ -44,6 +44,8 @@ #ifndef __ACTBL3_H__ #define __ACTBL3_H__ +#pragma pack(push) /* Set default struct packing */ + /******************************************************************************* * * Additional ACPI Tables (3) @@ -622,8 +624,6 @@ struct acpi_tpm2_control { u64 response_address; }; -/* Reset to default packing */ - -#pragma pack() +#pragma pack(pop) /* Restore original struct packing */ #endif /* __ACTBL3_H__ */ |