sparc: Merge asm-sparc{,64}/msgbuf.h

Padding from 32 bit sparc kept using preprocessor magic

:$ diff -u include/asm-sparc/msgbuf.h include/asm-sparc64/msgbuf.h
:-- include/asm-sparc/msgbuf.h	2008-06-13 06:42:07.000000000 +0200
:++ include/asm-sparc64/msgbuf.h	2008-06-13 06:42:07.000000000 +0200
:@@ -7,17 +7,13 @@
:  * 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 msqid64_ds {
: 	struct ipc64_perm msg_perm;
:-	unsigned int   __pad1;
: 	__kernel_time_t msg_stime;	/* last msgsnd time */
:-	unsigned int   __pad2;
: 	__kernel_time_t msg_rtime;	/* last msgrcv time */
:-	unsigned int   __pad3;
: 	__kernel_time_t msg_ctime;	/* last change time */
: 	unsigned long  msg_cbytes;	/* current number of bytes on queue */

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

2 files changed, 16 insertions, 35 deletions

diff --git a/include/asm-sparc/msgbuf.h b/include/asm-sparc/msgbuf.h
index 8cec9ad0b825..efc7cbe9788f 100644
--- a/include/asm-sparc/msgbuf.h
+++ b/include/asm-sparc/msgbuf.h
@@ -1,7 +1,7 @@
-#ifndef _SPARC64_MSGBUF_H
-#define _SPARC64_MSGBUF_H
+#ifndef _SPARC_MSGBUF_H
+#define _SPARC_MSGBUF_H
 
-/* 
+/*
  * The msqid64_ds structure for sparc64 architecture.
  * Note extra padding because this structure is passed back and forth
  * between kernel and user space.
@@ -11,13 +11,20 @@
  * - 2 miscellaneous 32-bit values
  */
 
+#if defined(__sparc__) && defined(__arch64__)
+# define PADDING(x)
+#else
+# define PADDING(x) unsigned int x;
+#endif
+
+
 struct msqid64_ds {
         struct ipc64_perm msg_perm;
-        unsigned int   __pad1;
+        PADDING(__pad1)
         __kernel_time_t msg_stime;      /* last msgsnd time */
-        unsigned int   __pad2;
+        PADDING(__pad2)
         __kernel_time_t msg_rtime;      /* last msgrcv time */
-        unsigned int   __pad3;
+        PADDING(__pad3)
         __kernel_time_t msg_ctime;      /* last change time */
         unsigned long  msg_cbytes;      /* current number of bytes on queue */
         unsigned long  msg_qnum;        /* number of messages in queue */
@@ -27,5 +34,5 @@ struct msqid64_ds {
         unsigned long  __unused1;
         unsigned long  __unused2;
 };
-
-#endif /* _SPARC64_MSGBUF_H */
+#undef PADDING
+#endif /* _SPARC_MSGBUF_H */
diff --git a/include/asm-sparc64/msgbuf.h b/include/asm-sparc64/msgbuf.h
index 55c101bd0e7d..5b33cc9d9bfb 100644
--- a/include/asm-sparc64/msgbuf.h
+++ b/include/asm-sparc64/msgbuf.h
@@ -1,27 +1 @@
-#ifndef _SPARC64_MSGBUF_H
-#define _SPARC64_MSGBUF_H
-
-/* 
- * The msqid64_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:
- * - 2 miscellaneous 64-bit values
- */
-
-struct msqid64_ds {
-        struct ipc64_perm msg_perm;
-        __kernel_time_t msg_stime;      /* last msgsnd time */
-        __kernel_time_t msg_rtime;      /* last msgrcv time */
-        __kernel_time_t msg_ctime;      /* last change time */
-        unsigned long  msg_cbytes;      /* current number of bytes on queue */
-        unsigned long  msg_qnum;        /* number of messages in queue */
-        unsigned long  msg_qbytes;      /* max number of bytes on queue */
-        __kernel_pid_t msg_lspid;       /* pid of last msgsnd */
-        __kernel_pid_t msg_lrpid;       /* last receive pid */
-        unsigned long  __unused1;
-        unsigned long  __unused2;
-};
-
-#endif /* _SPARC64_MSGBUF_H */
+#include <asm-sparc/msgbuf.h>