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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/acrestyp.h | |
| parent | ACPICA: Add boot option to disable auto return object repair (diff) | |
| download | linux-dev-4ac4c5fad8a320f75cb84543403fb8bae5ad2254.tar.xz linux-dev-4ac4c5fad8a320f75cb84543403fb8bae5ad2254.zip | |
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/acrestyp.h')
| -rw-r--r-- | include/acpi/acrestyp.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/acpi/acrestyp.h b/include/acpi/acrestyp.h index eb760ca0b2e0..3c83a79c583f 100644 --- a/include/acpi/acrestyp.h +++ b/include/acpi/acrestyp.h @@ -44,6 +44,8 @@ #ifndef __ACRESTYP_H__ #define __ACRESTYP_H__ +#pragma pack(push) /* Set default struct packing */ + /* * Definitions for Resource Attributes */ @@ -610,4 +612,6 @@ struct acpi_pci_routing_table { char source[4]; /* pad to 64 bits so sizeof() works in all cases */ }; +#pragma pack(pop) /* Restore original struct packing */ + #endif /* __ACRESTYP_H__ */ |