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| author | Christoph Hellwig <hch@lst.de> | 2006-01-09 20:52:08 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-10 08:01:32 -0800 |
| commit | 3a0f69d59ba41fbcad6a17b6e8aab02bf45e20ce (patch) | |
| tree | 8ba042dda77490f574f2c46bd038fd99a7f977e4 /kernel/compat.c | |
| parent | f042e0f80b0a9f5bb57c36d60a2798de6ca943b2 (diff) | |
| download | lwn-3a0f69d59ba41fbcad6a17b6e8aab02bf45e20ce.tar.gz lwn-3a0f69d59ba41fbcad6a17b6e8aab02bf45e20ce.zip | |
[PATCH] common compat_sys_timer_create
The comment in compat.c is wrong, every architecture provides a
get_compat_sigevent() for the IPC compat code already.
This basically moves the x86_64 version to common code and removes all the
others.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Mackerras <paulus@samba.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/compat.c')
| -rw-r--r-- | kernel/compat.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/kernel/compat.c b/kernel/compat.c index 102296e21ea8..256e5d9f0647 100644 --- a/kernel/compat.c +++ b/kernel/compat.c @@ -514,6 +514,24 @@ static int put_compat_itimerspec(struct compat_itimerspec __user *dst, return 0; } +long compat_sys_timer_create(clockid_t which_clock, + struct compat_sigevent __user *timer_event_spec, + timer_t __user *created_timer_id) +{ + struct sigevent __user *event = NULL; + + if (timer_event_spec) { + struct sigevent kevent; + + event = compat_alloc_user_space(sizeof(*event)); + if (get_compat_sigevent(&kevent, timer_event_spec) || + copy_to_user(event, &kevent, sizeof(*event))) + return -EFAULT; + } + + return sys_timer_create(which_clock, event, created_timer_id); +} + long compat_sys_timer_settime(timer_t timer_id, int flags, struct compat_itimerspec __user *new, struct compat_itimerspec __user *old) @@ -649,8 +667,6 @@ int get_compat_sigevent(struct sigevent *event, ? -EFAULT : 0; } -/* timer_create is architecture specific because it needs sigevent conversion */ - long compat_get_bitmap(unsigned long *mask, compat_ulong_t __user *umask, unsigned long bitmap_size) { |