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McKenney" Cc: "H. Peter Anvin" , Alexander Potapenko , Ingo Molnar , LKML , Dmitriy Vyukov , James Y Knight , Will Deacon Subject: Re: Potentially missing "memory" clobbers in bitops.h for x86 Message-ID: <20190401160406.GE12232@hirez.programming.kicks-ass.net> References: <20190328162222.GO4102@linux.ibm.com> <8e32ab34-c14c-1ccb-76f9-0dcd729a0ef6@zytor.com> <20190329210918.GZ4102@linux.ibm.com> <8092b8aa-bb1c-0266-b308-5cebfb25e2ef@zytor.com> <20190329220554.GD4102@linux.ibm.com> <20190401105348.GL11158@hirez.programming.kicks-ass.net> <20190401154414.GM4102@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190401154414.GM4102@linux.ibm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 01, 2019 at 08:44:14AM -0700, Paul E. McKenney wrote: > On Mon, Apr 01, 2019 at 12:53:48PM +0200, Peter Zijlstra wrote: > > On Fri, Mar 29, 2019 at 03:05:54PM -0700, Paul E. McKenney wrote: > > > From Documentation/core-api/atomic_ops.rst: > > > > We should delete that file. > > Only if all of its content is fully present elsewhere. ;-) Documentation/atomic_t.txt and Documentation/atomic_bitops.txt _should_ cover all of it I _think_. If there's anything mising, please tell and we'll write more documents. And I suppose we should ammend atomic_bitops.txt with a reference to include/asm-generic/bitops/atomic.h which fully implements the atomic bitops using atomic_t.