sparc: Merge asm-sparc{,64}/sembuf.h
Padding in the sembuf structure made conditional
as only 32 bit sparc did so.
:$ diff -u include/asm-sparc/sembuf.h include/asm-sparc64/sembuf.h
:-- include/asm-sparc/sembuf.h 2008-06-13 06:42:07.000000000 +0200
:++ include/asm-sparc64/sembuf.h 2008-06-13 06:42:07.000000000 +0200
:@@ -1,21 +1,18 @@
:-#ifndef _SPARC_SEMBUF_H
:-#define _SPARC_SEMBUF_H
:+#ifndef _SPARC64_SEMBUF_H
:+#define _SPARC64_SEMBUF_H
:
: /*
:- * The semid64_ds structure for sparc architecture.
:+ * The semid64_ds structure for sparc64 architecture.
: * Note extra padding because this structure is passed back and forth
: * between kernel and user space.
: *
: * Pad space is left for:
:- * - 64-bit time_t to solve y2038 problem
:- * - 2 miscellaneous 32-bit values
:+ * - 2 miscellaneous 64-bit values
: */
:
: struct semid64_ds {
: struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
:- unsigned int __pad1;
: __kernel_time_t sem_otime; /* last semop time */
:- unsigned int __pad2;
: __kernel_time_t sem_ctime; /* last change time */
: unsigned long sem_nsems; /* no. of semaphores in array */
: unsigned long __unused1;
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/include/asm-sparc/sembuf.h b/include/asm-sparc/sembuf.h
index a79c4bb..faee1be 100644
--- a/include/asm-sparc/sembuf.h
+++ b/include/asm-sparc/sembuf.h
@@ -1,7 +1,7 @@
#ifndef _SPARC_SEMBUF_H
#define _SPARC_SEMBUF_H
-/*
+/*
* The semid64_ds structure for sparc architecture.
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
@@ -10,16 +10,22 @@
* - 64-bit time_t to solve y2038 problem
* - 2 miscellaneous 32-bit values
*/
+#if defined(__sparc__) && defined(__arch64__)
+# define PADDING(x)
+#else
+# define PADDING(x) unsigned int x;
+#endif
struct semid64_ds {
struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
- unsigned int __pad1;
+ PADDING(__pad1)
__kernel_time_t sem_otime; /* last semop time */
- unsigned int __pad2;
+ PADDING(__pad2)
__kernel_time_t sem_ctime; /* last change time */
unsigned long sem_nsems; /* no. of semaphores in array */
unsigned long __unused1;
unsigned long __unused2;
};
+#undef PADDING
#endif /* _SPARC64_SEMBUF_H */