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@xxxxxxxxxxxx>
---
include/asm-sparc/msgbuf.h | 23 +++++++++++++++--------
include/asm-sparc64/msgbuf.h | 28 +---------------------------
2 files changed, 16 insertions(+), 35 deletions(-)
diff --git a/include/asm-sparc/msgbuf.h b/include/asm-sparc/msgbuf.h
index 8cec9ad..efc7cbe 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 55c101b..5b33cc9 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>
--
1.5.4.1.143.ge7e51
--
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