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| author | Peter Zijlstra <peterz@infradead.org> | 2014-03-13 19:00:36 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-18 14:20:39 +0200 |
| commit | 9424cdf0fc7f768f20daef77980da9617a76679b (patch) | |
| tree | c26fb8f5ca7f71d8751f589b8bb333bfbc0b0557 /arch/mn10300 | |
| parent | 91bbefe6b0fcd2968c34a5a566bda870477afc82 (diff) | |
| download | blackbird-op-linux-9424cdf0fc7f768f20daef77980da9617a76679b.tar.gz blackbird-op-linux-9424cdf0fc7f768f20daef77980da9617a76679b.zip | |
arch,mn10300: Convert smp_mb__*()
mn10300 fully relies on asm-generic/barrier.h and therefore its
smp_mb() is barrier(). We can use the default implementation.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-wotyeoj99h1dpojjeest2jbk@git.kernel.org
Cc: David Howells <dhowells@redhat.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-am33-list@redhat.com
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/mn10300')
| -rw-r--r-- | arch/mn10300/include/asm/atomic.h | 7 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/bitops.h | 4 | ||||
| -rw-r--r-- | arch/mn10300/mm/tlb-smp.c | 4 |
3 files changed, 4 insertions, 11 deletions
diff --git a/arch/mn10300/include/asm/atomic.h b/arch/mn10300/include/asm/atomic.h index 975e1841ca64..cadeb1e2cdfc 100644 --- a/arch/mn10300/include/asm/atomic.h +++ b/arch/mn10300/include/asm/atomic.h @@ -13,6 +13,7 @@ #include <asm/irqflags.h> #include <asm/cmpxchg.h> +#include <asm/barrier.h> #ifndef CONFIG_SMP #include <asm-generic/atomic.h> @@ -234,12 +235,6 @@ static inline void atomic_set_mask(unsigned long mask, unsigned long *addr) #endif } -/* Atomic operations are already serializing on MN10300??? */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - #endif /* __KERNEL__ */ #endif /* CONFIG_SMP */ #endif /* _ASM_ATOMIC_H */ diff --git a/arch/mn10300/include/asm/bitops.h b/arch/mn10300/include/asm/bitops.h index 596bb2706d81..fe6f8e2c3617 100644 --- a/arch/mn10300/include/asm/bitops.h +++ b/arch/mn10300/include/asm/bitops.h @@ -18,9 +18,7 @@ #define __ASM_BITOPS_H #include <asm/cpu-regs.h> - -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() +#include <asm/barrier.h> /* * set bit diff --git a/arch/mn10300/mm/tlb-smp.c b/arch/mn10300/mm/tlb-smp.c index 3e57faf04083..e5d0ef722bfa 100644 --- a/arch/mn10300/mm/tlb-smp.c +++ b/arch/mn10300/mm/tlb-smp.c @@ -78,9 +78,9 @@ void smp_flush_tlb(void *unused) else local_flush_tlb_page(flush_mm, flush_va); - smp_mb__before_clear_bit(); + smp_mb__before_atomic(); cpumask_clear_cpu(cpu_id, &flush_cpumask); - smp_mb__after_clear_bit(); + smp_mb__after_atomic(); out: put_cpu(); } |
