From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6571C433E0 for ; Tue, 16 Jun 2020 16:48:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9B8CB208D5 for ; Tue, 16 Jun 2020 16:48:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729452AbgFPQsA (ORCPT ); Tue, 16 Jun 2020 12:48:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55916 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728861AbgFPQsA (ORCPT ); Tue, 16 Jun 2020 12:48:00 -0400 Received: from Galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3AEA4C061573; Tue, 16 Jun 2020 09:48:00 -0700 (PDT) Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1jlEkf-0004D3-Qr; Tue, 16 Jun 2020 18:47:57 +0200 Date: Tue, 16 Jun 2020 18:47:57 +0200 From: Sebastian Andrzej Siewior To: Thomas Gleixner Cc: LKML , linux-rt-users , Steven Rostedt Subject: Re: [ANNOUNCE] v5.6.17-rt10 Message-ID: <20200616164757.o6qlarnluib2szl5@linutronix.de> References: <20200616124502.vfmbsec3avnbhupz@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200616124502.vfmbsec3avnbhupz@linutronix.de> Sender: linux-rt-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org On 2020-06-16 14:45:03 [+0200], To Thomas Gleixner wrote: > Dear RT folks! > > I'm pleased to announce the v5.6.17-rt10 patch set. > > Changes since v5.6.17-rt9: > > - Add the seqcount series by Ahmed S. Darwish. > The series annotates the lock protecting the struct seqcount against > multiple writer. In RT the lock annotation can be utilized to block > on in case the writer is active. This is the same technique that is > used now but we can avoid replacing the seqcount with a seqlock and > have code that is closer to mainline. > > As part of the integration I dropped seqcount replacements which > are no longer needed, like in NFS or vfs. > > - Added down_read_non_owner() for RT. There is no owner tracking since > we allow multiple reader locking on struct rw_semaphore. This > removes on patch from the NFS subsystem and allows to enable bcache. > > - Drop the lock raw_spinlock_t from struct hlist_bl_head. The struct > hlist_bl_head uses bit_spin_lock() for locking so we are still > spinning. > > Known issues > - It has been pointed out that due to changes to the printk code the > internal buffer representation changed. This is only an issue if tools > like `crash' are used to extract the printk buffer from a kernel memory > image. > > The delta patch against v5.6.17-rt9 is appended below and can be found here: > > https://cdn.kernel.org/pub/linux/kernel/projects/rt/5.6/incr/patch-5.6.17-rt9-rt10.patch.xz > > You can get this release via the git tree at: > > git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git v5.6.17-rt10 > > The RT patch against v5.6.17 can be found here: > > https://cdn.kernel.org/pub/linux/kernel/projects/rt/5.6/older/patch-5.6.17-rt10.patch.xz > > The split quilt queue is available at: > > https://cdn.kernel.org/pub/linux/kernel/projects/rt/5.6/older/patches-5.6.17-rt10.tar.xz Again without the delta diff since the email was too huge. It can be still look on at https://git.kernel.org/rt/linux-rt-devel/d/v5.6.17-rt10/v5.6.17-rt9 Sebastian