From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754149AbbGIR5x (ORCPT ); Thu, 9 Jul 2015 13:57:53 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:60143 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754088AbbGIR50 (ORCPT ); Thu, 9 Jul 2015 13:57:26 -0400 Message-Id: <20150709175308.296642297@infradead.org> User-Agent: quilt/0.61-1 Date: Thu, 09 Jul 2015 19:28:58 +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 03/24] arm: 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-arm-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/arm/include/asm/atomic.h | 6 ++++++ 1 file changed, 6 insertions(+) --- a/arch/arm/include/asm/atomic.h +++ b/arch/arm/include/asm/atomic.h @@ -193,6 +193,9 @@ static inline int __atomic_add_unless(at ATOMIC_OPS(add, +=, add) ATOMIC_OPS(sub, -=, sub) +ATOMIC_OP(and, &=, and) +ATOMIC_OP(or, |=, orr) +ATOMIC_OP(xor, ^=, eor) #undef ATOMIC_OPS #undef ATOMIC_OP_RETURN @@ -320,6 +323,9 @@ static inline long long atomic64_##op##_ ATOMIC64_OPS(add, adds, adc) ATOMIC64_OPS(sub, subs, sbc) +ATOMIC64_OP(and, and, and) +ATOMIC64_OP(or, or, or) +ATOMIC64_OP(xor, eor, eor) #undef ATOMIC64_OPS #undef ATOMIC64_OP_RETURN