From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: [PATCH 10/31] arch,c6x: Convert smp_mb__* Date: Wed, 19 Mar 2014 07:47:39 +0100 Message-ID: <20140319065204.317916607@infradead.org> References: <20140319064729.660482086@infradead.org> Return-path: Content-Disposition: inline; filename=peterz-c6x-smp_mb__atomic.patch Sender: linux-kernel-owner@vger.kernel.org To: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, mingo@kernel.org, will.deacon@arm.com, paulmck@linux.vnet.ibm.com, Peter Zijlstra List-Id: linux-arch.vger.kernel.org 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 --- arch/c6x/include/asm/bitops.h | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) --- a/arch/c6x/include/asm/bitops.h +++ b/arch/c6x/include/asm/bitops.h @@ -14,14 +14,8 @@ #ifdef __KERNEL__ #include - #include - -/* - * 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 /* * We are lucky, DSP is perfect for bitops: do it in 3 cycles From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from merlin.infradead.org ([205.233.59.134]:52979 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756312AbaCSG43 (ORCPT ); Wed, 19 Mar 2014 02:56:29 -0400 Message-ID: <20140319065204.317916607@infradead.org> Date: Wed, 19 Mar 2014 07:47:39 +0100 From: Peter Zijlstra Subject: [PATCH 10/31] arch,c6x: Convert smp_mb__* References: <20140319064729.660482086@infradead.org> Content-Disposition: inline; filename=peterz-c6x-smp_mb__atomic.patch Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, mingo@kernel.org, will.deacon@arm.com, paulmck@linux.vnet.ibm.com, Peter Zijlstra Message-ID: <20140319064739.bCo9rv-yflTRougd4cdccbRs9JsXlQbCs5VybjCgJCs@z> 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 --- arch/c6x/include/asm/bitops.h | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) --- a/arch/c6x/include/asm/bitops.h +++ b/arch/c6x/include/asm/bitops.h @@ -14,14 +14,8 @@ #ifdef __KERNEL__ #include - #include - -/* - * 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 /* * We are lucky, DSP is perfect for bitops: do it in 3 cycles