From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754553AbbGISB0 (ORCPT ); Thu, 9 Jul 2015 14:01:26 -0400 Received: from casper.infradead.org ([85.118.1.10]:35566 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753792AbbGIR4K (ORCPT ); Thu, 9 Jul 2015 13:56:10 -0400 Message-Id: <20150709175308.450714909@infradead.org> User-Agent: quilt/0.61-1 Date: Thu, 09 Jul 2015 19:29:00 +0200 From: Peter Zijlstra To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Cc: rth@twiddle.net, vgupta@synopsys.com, linux@arm.linux.org.uk, will.deacon@arm.com, hskinnemoen@gmail.com, realmz6@gmail.com, dhowells@redhat.com, rkuo@codeaurora.org, tony.luck@intel.com, geert@linux-m68k.org, james.hogan@imgtec.com, ralf@linux-mips.org, jejb@parisc-linux.org, benh@kernel.crashing.org, heiko.carstens@de.ibm.com, davem@davemloft.net, cmetcalf@ezchip.com, mingo@kernel.org, peterz@infradead.org Subject: [RFC][PATCH 05/24] avr32: Provide atomic_{or,xor,and} References: <20150709172855.564686637@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline; filename=peterz-avr32-atomic_logic_ops.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Implement atomic logic ops -- atomic_{or,xor,and}. These will replace the atomic_{set,clear}_mask functions that are available on some archs. Signed-off-by: Peter Zijlstra (Intel) --- arch/avr32/include/asm/atomic.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) --- a/arch/avr32/include/asm/atomic.h +++ b/arch/avr32/include/asm/atomic.h @@ -44,6 +44,18 @@ static inline int __atomic_##op##_return ATOMIC_OP_RETURN(sub, sub, rKs21) ATOMIC_OP_RETURN(add, add, r) +#define ATOMIC_OP(op, asm_op) \ +ATOMIC_OP_RETURN(op, asm_op, r) \ +static inline void atomic_##op(int i, atomic_t *v) \ +{ \ + (void)__atomic_##op##_return(i, v); \ +} + +ATOMIC_OP(and, and) +ATOMIC_OP(or, or) +ATOMIC_OP(xor, eor) + +#undef ATOMIC_OP #undef ATOMIC_OP_RETURN /*