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authorThomas Gleixner <tglx@linutronix.de>2011-01-26 23:06:06 +0300
committerThomas Gleixner <tglx@linutronix.de>2011-01-27 14:30:39 +0300
commitaac72277fda6ef788bb8d5deaa502ce9b9b6e472 (patch)
tree013d8293e9b8f0397936e723f2e9be1a3e72dc61 /include/linux/rwsem.h
parent41e5887fa39ab272d9266a09cbefdef270e28b93 (diff)
downloadlinux-aac72277fda6ef788bb8d5deaa502ce9b9b6e472.tar.xz
rwsem: Move duplicate function prototypes to linux/rwsem.h
All architecture specific rwsem headers carry the same function prototypes. Just x86 adds asmregparm, which is an empty define on all other architectures. S390 has a stale rwsem_downgrade_write() prototype. Remove the duplicates and add the prototypes to linux/rwsem.h Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: David Howells <dhowells@redhat.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Richard Henderson <rth@twiddle.net> Acked-by: Tony Luck <tony.luck@intel.com> Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Acked-by: David Miller <davem@davemloft.net> Cc: Chris Zankel <chris@zankel.net> LKML-Reference: <20110126195833.970840140@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/rwsem.h')
-rw-r--r--include/linux/rwsem.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 8b9c7e9f6910..f7c957f3165f 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -32,6 +32,11 @@ struct rw_semaphore {
#endif
};
+extern asmregparm struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem);
+extern asmregparm struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem);
+extern asmregparm struct rw_semaphore *rwsem_wake(struct rw_semaphore *);
+extern asmregparm struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem);
+
/* Include the arch specific part */
#include <asm/rwsem.h>