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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/acexcep.h | |
| parent | 4dde507fc1984435f28862ddd1beb90822aa116c (diff) | |
| download | linux-4ac4c5fad8a320f75cb84543403fb8bae5ad2254.tar.gz linux-4ac4c5fad8a320f75cb84543403fb8bae5ad2254.tar.bz2 linux-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/acexcep.h')
| -rw-r--r-- | include/acpi/acexcep.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h index 8b06e4c1dd5d..f0bcb96b1598 100644 --- a/include/acpi/acexcep.h +++ b/include/acpi/acexcep.h @@ -44,6 +44,8 @@ #ifndef __ACEXCEP_H__ #define __ACEXCEP_H__ +#pragma pack(push) /* Set default struct packing */ + /* This module contains all possible exception codes for acpi_status */ /* @@ -377,4 +379,6 @@ static const struct acpi_exception_info acpi_gbl_exception_names_ctrl[] = { #endif /* EXCEPTION_TABLE */ +#pragma pack(pop) /* Restore original struct packing */ + #endif /* __ACEXCEP_H__ */ |