Commit 93fab07c authored by Will Deacon's avatar Will Deacon
Browse files

locking/barriers: Remove definitions for [smp_]read_barrier_depends() 



There are no remaining users of [smp_]read_barrier_depends(), so
remove it from the generic implementation of 'barrier.h'.

Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: default avatarPaul E. McKenney <paulmck@kernel.org>
Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent bb7cdd38

include/asm-generic/barrier.h

+0 −17
Original line number Diff line number Diff line
@@ -46,10 +46,6 @@ 
#define dma_wmb()	wmb()

#endif



#ifndef read_barrier_depends

#define read_barrier_depends()		do { } while (0)

#endif



#ifndef __smp_mb

#define __smp_mb()	mb()

#endif
@@ -62,10 +58,6 @@ 
#define __smp_wmb()	wmb()

#endif



#ifndef __smp_read_barrier_depends

#define __smp_read_barrier_depends()	read_barrier_depends()

#endif



#ifdef CONFIG_SMP



#ifndef smp_mb
@@ -80,10 +72,6 @@ 
#define smp_wmb()	__smp_wmb()

#endif



#ifndef smp_read_barrier_depends

#define smp_read_barrier_depends()	__smp_read_barrier_depends()

#endif



#else	/* !CONFIG_SMP */



#ifndef smp_mb
@@ -98,10 +86,6 @@ 
#define smp_wmb()	barrier()

#endif



#ifndef smp_read_barrier_depends

#define smp_read_barrier_depends()	do { } while (0)

#endif



#endif	/* CONFIG_SMP */



#ifndef __smp_store_mb
@@ -196,7 +180,6 @@ do { \ 
#define virt_mb() __smp_mb()

#define virt_rmb() __smp_rmb()

#define virt_wmb() __smp_wmb()

#define virt_read_barrier_depends() __smp_read_barrier_depends()

#define virt_store_mb(var, value) __smp_store_mb(var, value)

#define virt_mb__before_atomic() __smp_mb__before_atomic()

#define virt_mb__after_atomic()	__smp_mb__after_atomic()

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