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arch,c6x: Convert smp_mb__*()

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c6x doesn't have a barrier.h and completely relies on
asm-generic/barrier.h. Therefore its smp_mb() is barrier() and we can
use the default versions that are smp_mb().

Signed-off-by: Peter Zijlstra <[email protected]>
Acked-by: Mark Salter <[email protected]>
Acked-by: Paul E. McKenney <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Cc: Aurelien Jacquiot <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Mark Salter <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Peter Zijlstra 2014-03-13 19:00:37 +01:00 • committed by Ingo Molnar
commit a8ec1516a7
1 changed files with 1 additions and 7 deletions
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8
arch/c6x/include/asm/bitops.h
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@ -14,14 +14,8 @@
#ifdef __KERNEL__
#include <linux/bitops.h>
#include <asm/byteorder.h>
/*
* clear_bit() doesn't provide any barrier for the compiler.
*/
#define smp_mb__before_clear_bit() barrier()
#define smp_mb__after_clear_bit() barrier()
#include <asm/barrier.h>
/*
* We are lucky, DSP is perfect for bitops: do it in 3 cycles