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authorBob Moore <robert.moore@intel.com>2014-02-26 10:28:32 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-02-27 00:45:59 +0100
commit4ac4c5fad8a320f75cb84543403fb8bae5ad2254 (patch)
tree93b6c6a9dbc086412a1c2603cd5b47cc4d322e1f /include/acpi/acpixf.h
parent4dde507fc1984435f28862ddd1beb90822aa116c (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/acpixf.h')
-rw-r--r--include/acpi/acpixf.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 51cdf1bbb862..efa767ffe904 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -55,6 +55,8 @@
extern u8 acpi_gbl_permanent_mmap;
+#pragma pack(push) /* Set default struct packing */
+
/*
* Globals that are publically available
*/
@@ -580,4 +582,6 @@ acpi_debug_print_raw(u32 requested_debug_level,
u32 component_id, const char *format, ...);
#endif
+#pragma pack(pop) /* Restore original struct packing */
+
#endif /* __ACXFACE_H__ */

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