x86: merge msgbuf_32/64.h

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 38 insertions, 12 deletions

diff --git a/include/asm-x86/msgbuf.h b/include/asm-x86/msgbuf.h
index 154f7d64e862..7e4e9481f51c 100644
--- a/include/asm-x86/msgbuf.h
+++ b/include/asm-x86/msgbuf.h
@@ -1,13 +1,39 @@
-#ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "msgbuf_32.h"
-# else
-#  include "msgbuf_64.h"
-# endif
-#else
-# ifdef __i386__
-#  include "msgbuf_32.h"
-# else
-#  include "msgbuf_64.h"
-# endif
+#ifndef _ASM_X86_MSGBUF_H
+#define _ASM_X86_MSGBUF_H
+
+/*
+ * The msqid64_ds structure for i386 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space on i386 is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ *
+ * Pad space on x8664 is left for:
+ * - 2 miscellaneous 64-bit values
+ */
+struct msqid64_ds {
+        struct ipc64_perm msg_perm;
+        __kernel_time_t msg_stime;      /* last msgsnd time */
+#ifdef __i386__
+        unsigned long   __unused1;
 #endif
+        __kernel_time_t msg_rtime;      /* last msgrcv time */
+#ifdef __i386__
+        unsigned long   __unused2;
+#endif
+        __kernel_time_t msg_ctime;      /* last change time */
+#ifdef __i386__
+        unsigned long   __unused3;
+#endif
+        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  __unused4;
+        unsigned long  __unused5;
+};
+
+#endif /* _ASM_X86_MSGBUF_H */