Messages in this thread Patch in this message | | | From | Jason Low <> | Subject | [RFC][PATCH 5/7] locking,ia64: Remove ia64 rwsem add and rwsem update | Date | Mon, 16 May 2016 17:38:04 -0700 |
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The rwsem count has been converted to an atomic variable and the rwsem code now directly uses atomic_long_add() and atomic_long_add_return(), so we can remove the ia64 implementation of rwsem_atomic_add() and rwsem_atomic_update().
Signed-off-by: Jason Low <jason.low2@hpe.com> --- arch/ia64/include/asm/rwsem.h | 7 ------- 1 file changed, 7 deletions(-)
diff --git a/arch/ia64/include/asm/rwsem.h b/arch/ia64/include/asm/rwsem.h index 8b23e07..dfd5895 100644 --- a/arch/ia64/include/asm/rwsem.h +++ b/arch/ia64/include/asm/rwsem.h @@ -151,11 +151,4 @@ __downgrade_write (struct rw_semaphore *sem) rwsem_downgrade_wake(sem); } -/* - * Implement atomic add functionality. These used to be "inline" functions, but GCC v3.1 - * doesn't quite optimize this stuff right and ends up with bad calls to fetchandadd. - */ -#define rwsem_atomic_add(delta, sem) atomic64_add(delta, (atomic64_t *)(&(sem)->count)) -#define rwsem_atomic_update(delta, sem) atomic64_add_return(delta, (atomic64_t *)(&(sem)->count)) - #endif /* _ASM_IA64_RWSEM_H */ -- 2.1.4
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