From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752207AbeDFKzW (ORCPT ); Fri, 6 Apr 2018 06:55:22 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:35056 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751494AbeDFKzV (ORCPT ); Fri, 6 Apr 2018 06:55:21 -0400 Date: Fri, 6 Apr 2018 11:55:34 +0100 From: Will Deacon To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, mingo@kernel.org, boqun.feng@gmail.com, paulmck@linux.vnet.ibm.com, catalin.marinas@arm.com, Waiman Long Subject: Re: [PATCH 06/10] barriers: Introduce smp_cond_load_relaxed and atomic_cond_read_relaxed Message-ID: <20180406105534.GB27619@arm.com> References: <1522947547-24081-1-git-send-email-will.deacon@arm.com> <1522947547-24081-7-git-send-email-will.deacon@arm.com> <20180405172226.GF4082@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180405172226.GF4082@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 05, 2018 at 07:22:26PM +0200, Peter Zijlstra wrote: > On Thu, Apr 05, 2018 at 05:59:03PM +0100, Will Deacon wrote: > > diff --git a/include/linux/atomic.h b/include/linux/atomic.h > > index 8b276fd9a127..01ce3997cb42 100644 > > --- a/include/linux/atomic.h > > +++ b/include/linux/atomic.h > > @@ -654,6 +654,7 @@ static inline int atomic_dec_if_positive(atomic_t *v) > > } > > #endif > > > > +#define atomic_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c)) > > #define atomic_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c)) > > > > #ifdef CONFIG_GENERIC_ATOMIC64 > > @@ -1075,6 +1076,7 @@ static inline long long atomic64_fetch_andnot_release(long long i, atomic64_t *v > > } > > #endif > > > > +#define atomic64_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c)) > > #define atomic64_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c)) > > > > #include > > Did we again forget atomic_long glue ? ;-) Bah! I'll add it for v2, thanks. Will