Commit-ID: 9424cdf0fc7f768f20daef77980da9617a76679b Gitweb: http://git.kernel.org/tip/9424cdf0fc7f768f20daef77980da9617a76679b Author: Peter Zijlstra <pet...@infradead.org> AuthorDate: Thu, 13 Mar 2014 19:00:36 +0100 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Fri, 18 Apr 2014 14:20:39 +0200
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 <pet...@infradead.org> Acked-by: Paul E. McKenney <paul...@linux.vnet.ibm.com> Link: http://lkml.kernel.org/n/tip-wotyeoj99h1dpojjeest2...@git.kernel.org Cc: David Howells <dhowe...@redhat.com> Cc: Koichi Yasutake <yasutake.koi...@jp.panasonic.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: linux-am33-l...@redhat.com Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mi...@kernel.org> --- arch/mn10300/include/asm/atomic.h | 7 +------ arch/mn10300/include/asm/bitops.h | 4 +--- 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 975e184..cadeb1e 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 596bb27..fe6f8e2 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 3e57faf..e5d0ef7 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(); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
