From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756591AbbGPRjg (ORCPT ); Thu, 16 Jul 2015 13:39:36 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:36403 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756207AbbGPReF (ORCPT ); Thu, 16 Jul 2015 13:34:05 -0400 Message-Id: <20150716172924.658524949@infradead.org> User-Agent: quilt/0.61-1 Date: Thu, 16 Jul 2015 19:21:15 +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, ysato@users.sourceforge.jp, mingo@kernel.org, peterz@infradead.org Subject: [PATCH 05/28] arm64: Provide atomic_{or,xor,and} References: <20150716172110.587529075@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline; filename=peterz-arm64-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/arm64/include/asm/atomic.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) --- a/arch/arm64/include/asm/atomic.h +++ b/arch/arm64/include/asm/atomic.h @@ -85,6 +85,14 @@ static inline int atomic_##op##_return(i ATOMIC_OPS(add, add) ATOMIC_OPS(sub, sub) +#define CONFIG_ARCH_HAS_ATOMIC_OR +#define atomic_andnot atomic_andnot + +ATOMIC_OP(and, and) +ATOMIC_OP(andnot, bic) +ATOMIC_OP(or, orr) +ATOMIC_OP(xor, eor) + #undef ATOMIC_OPS #undef ATOMIC_OP_RETURN #undef ATOMIC_OP @@ -183,6 +191,13 @@ static inline long atomic64_##op##_retur ATOMIC64_OPS(add, add) ATOMIC64_OPS(sub, sub) +#define atomic64_andnot atomic64_andnot + +ATOMIC64_OP(and, and) +ATOMIC64_OP(andnot, bic) +ATOMIC64_OP(or, orr) +ATOMIC64_OP(xor, eor) + #undef ATOMIC64_OPS #undef ATOMIC64_OP_RETURN #undef ATOMIC64_OP