From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: f68f031d ("Documentation: atomic_t.txt: Explain ordering provided by smp_mb__{before,after}_atomic()") Date: Fri, 3 May 2019 17:19:15 +0200 Message-ID: <20190503151915.GD2606@hirez.programming.kicks-ass.net> References: <20190503145326.GA21541@linux.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20190503145326.GA21541@linux.ibm.com> Sender: linux-kernel-owner@vger.kernel.org To: "Paul E. McKenney" Cc: stern@rowland.harvard.edu, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org List-Id: linux-arch.vger.kernel.org On Fri, May 03, 2019 at 07:53:26AM -0700, Paul E. McKenney wrote: > Hello, Alan, > > Just following up on the -rcu commit below. I believe that it needs > some adjustment given Peter Zijlstra's addition of "memory" to the x86 > non-value-returning atomics, but thought I should double-check. Right; I should get back to that thread... From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org ([198.137.202.133]:53228 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726480AbfECPTT (ORCPT ); Fri, 3 May 2019 11:19:19 -0400 Date: Fri, 3 May 2019 17:19:15 +0200 From: Peter Zijlstra Subject: Re: f68f031d ("Documentation: atomic_t.txt: Explain ordering provided by smp_mb__{before,after}_atomic()") Message-ID: <20190503151915.GD2606@hirez.programming.kicks-ass.net> References: <20190503145326.GA21541@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190503145326.GA21541@linux.ibm.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: "Paul E. McKenney" Cc: stern@rowland.harvard.edu, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Message-ID: <20190503151915.SYB_Fr_7J4EUKGHCA8r7defK1OGEvN-xLe62DGTH7Hs@z> On Fri, May 03, 2019 at 07:53:26AM -0700, Paul E. McKenney wrote: > Hello, Alan, > > Just following up on the -rcu commit below. I believe that it needs > some adjustment given Peter Zijlstra's addition of "memory" to the x86 > non-value-returning atomics, but thought I should double-check. Right; I should get back to that thread...