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| author | Sam Ravnborg <sam@ravnborg.org> | 2008-06-05 23:46:22 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-18 06:41:48 +0200 |
| commit | 2d1419624c2e0173aee138372dd1eccb5d5fd270 (patch) | |
| tree | bbbdbe6212bc75f4c490cd2f9d53508d3c616a76 /include/asm-sparc/shmbuf.h | |
| parent | sparc: Merge asm-sparc{,64}/sembuf.h (diff) | |
| download | linux-2d1419624c2e0173aee138372dd1eccb5d5fd270.tar.xz linux-2d1419624c2e0173aee138372dd1eccb5d5fd270.zip | |
sparc: Merge asm-sparc{,64}/shmbuf.h
Padding in the shmbuf structure made conditional
as only 32 bit sparc did so.
:$ diff -u include/asm-sparc/shmbuf.h include/asm-sparc64/shmbuf.h
:-- include/asm-sparc/shmbuf.h 2008-06-13 06:42:07.000000000 +0200
:++ include/asm-sparc64/shmbuf.h 2008-06-13 06:42:07.000000000 +0200
:@@ -1,23 +1,19 @@
:-#ifndef _SPARC_SHMBUF_H
:-#define _SPARC_SHMBUF_H
:+#ifndef _SPARC64_SHMBUF_H
:+#define _SPARC64_SHMBUF_H
:
: /*
:- * The shmid64_ds structure for sparc architecture.
:+ * The shmid64_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 shmid64_ds {
: struct ipc64_perm shm_perm; /* operation perms */
:- unsigned int __pad1;
: __kernel_time_t shm_atime; /* last attach time */
:- unsigned int __pad2;
: __kernel_time_t shm_dtime; /* last detach time */
:- unsigned int __pad3;
: __kernel_time_t shm_ctime; /* last change time */
: size_t shm_segsz; /* size of segment (bytes) */
: __kernel_pid_t shm_cpid; /* pid of creator */
:@@ -39,4 +35,4 @@
: unsigned long __unused4;
: };
:
:-#endif /* _SPARC_SHMBUF_H */
:+#endif /* _SPARC64_SHMBUF_H */
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'include/asm-sparc/shmbuf.h')
| -rw-r--r-- | include/asm-sparc/shmbuf.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/include/asm-sparc/shmbuf.h b/include/asm-sparc/shmbuf.h index 1ff9da8bec73..83a16055363f 100644 --- a/include/asm-sparc/shmbuf.h +++ b/include/asm-sparc/shmbuf.h @@ -11,13 +11,19 @@ * - 2 miscellaneous 32-bit values */ +#if defined(__sparc__) && defined(__arch64__) +# define PADDING(x) +#else +# define PADDING(x) unsigned int x; +#endif + struct shmid64_ds { struct ipc64_perm shm_perm; /* operation perms */ - unsigned int __pad1; + PADDING(__pad1) __kernel_time_t shm_atime; /* last attach time */ - unsigned int __pad2; + PADDING(__pad2) __kernel_time_t shm_dtime; /* last detach time */ - unsigned int __pad3; + PADDING(__pad3) __kernel_time_t shm_ctime; /* last change time */ size_t shm_segsz; /* size of segment (bytes) */ __kernel_pid_t shm_cpid; /* pid of creator */ @@ -39,4 +45,6 @@ struct shminfo64 { unsigned long __unused4; }; +#undef PADDING + #endif /* _SPARC_SHMBUF_H */ |