From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.7 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 000EF7D2F0 for ; Fri, 26 Jul 2019 20:45:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726554AbfGZUpQ (ORCPT ); Fri, 26 Jul 2019 16:45:16 -0400 Received: from ms.lwn.net ([45.79.88.28]:52176 "EHLO ms.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726305AbfGZUpQ (ORCPT ); Fri, 26 Jul 2019 16:45:16 -0400 Received: from lwn.net (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id EE6BE2B7; Fri, 26 Jul 2019 20:45:15 +0000 (UTC) Date: Fri, 26 Jul 2019 14:45:15 -0600 From: Jonathan Corbet To: Mark Rutland Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Subject: Re: [PATCH] Documentation/features/locking: update lists Message-ID: <20190726144515.29c5227a@lwn.net> In-Reply-To: <20190723132203.51814-1-mark.rutland@arm.com> References: <20190723132203.51814-1-mark.rutland@arm.com> Organization: LWN.net MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Tue, 23 Jul 2019 14:22:03 +0100 Mark Rutland wrote: > The locking feature lists don't match reality as of v5.3-rc1: > > * arm64 moved to queued spinlocks in commit: > > c11090474d70590170cf5fa6afe85864ab494b37 > > ("arm64: locking: Replace ticket lock implementation with qspinlock") > > * xtensa moved to queued spinlocks and rwlocks in commit: > > 579afe866f52adcd921272a224ab36733051059c > > ("xtensa: use generic spinlock/rwlock implementation") > > * architecture-specific rwsem support was removed in commit: > > 46ad0840b1584b92b5ff2cc3ed0b011dd6b8e0f1 > > ("locking/rwsem: Remove arch specific rwsem files") > > So update the feature lists accordingly, and remove the now redundant > rwsem-optimized list. > > Signed-off-by: Mark Rutland Applied, thanks. jon