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/acevents.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 'drivers/acpi/acpica/acevents.h')
| -rw-r--r-- | drivers/acpi/acpica/acevents.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index 68ec61fff188..75f25eda3a6a 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -44,6 +44,8 @@ #ifndef __ACEVENTS_H__ #define __ACEVENTS_H__ +#pragma pack(push) /* Set default struct packing */ + /* * evevent */ @@ -251,4 +253,5 @@ u32 acpi_ev_install_sci_handler(void); acpi_status acpi_ev_remove_all_sci_handlers(void); ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_terminate(void)) +#pragma pack(pop) /* Restore original struct packing */ #endif /* __ACEVENTS_H__ */ |