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=-5.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 35D6CC433E7 for ; Fri, 9 Oct 2020 17:13:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E12FB22267 for ; Fri, 9 Oct 2020 17:13:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602263596; bh=4a881GWhYctg74klNYFEJzfqbs/OhN00Lm0M2bpy6EQ=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:List-ID: From; b=rWRwcKeuVGHut+9kIdia++jkSdZ6kxZ+yAkLuxING3JcjMMm/2RwBC0ffpvFgyanX bb9ObDBO34AjTSLj6VzyDHOUul383X54U46xw0KI13++zJXVEoJhwpQE1zKUYHupMC bP/ye/uRgfeFroU469NpiBREptVdNQlCO05uSz4M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390011AbgJIRNO (ORCPT ); Fri, 9 Oct 2020 13:13:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:51374 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732753AbgJIRNO (ORCPT ); Fri, 9 Oct 2020 13:13:14 -0400 Received: from paulmck-ThinkPad-P72.home (50-39-104-11.bvtn.or.frontiernet.net [50.39.104.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C5F1922258; Fri, 9 Oct 2020 17:13:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602263593; bh=4a881GWhYctg74klNYFEJzfqbs/OhN00Lm0M2bpy6EQ=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=YMpN38EUy6mSNQb69vl8dNKOYvWEFhm4BaLKLNtpPfus9yhWxFB+mu0MHRQzkrDlo gyexH1xAPWwLq5q7nO8UZoqoEKMq3iRo3SNMtyHOzbUqCX95GZ1RgGO7NvECM0boZs EkiqIOfFBzvIyBwhWXVEwd07WOAvZMvNglTXX9Pw= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id 8BCFE35227D5; Fri, 9 Oct 2020 10:13:13 -0700 (PDT) Date: Fri, 9 Oct 2020 10:13:13 -0700 From: "Paul E. McKenney" To: Ingo Molnar Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, kernel-team@fb.com, urezki@gmail.com, lkp@intel.com, julia.lawall@inria.fr, mhocko@kernel.org, mgorman@techsingularity.net, vbabka@suse.cz, peterz@infradead.org, torvalds@linux-foundation.org Subject: Re: [GIT PULL tip/core/rcu+preempt] Fix RT raw/non-raw lock ordering Message-ID: <20201009171313.GI29330@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <20201001210750.GA25287@paulmck-ThinkPad-P72> <20201009165500.GA2904859@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201009165500.GA2904859@gmail.com> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 09, 2020 at 06:55:00PM +0200, Ingo Molnar wrote: > > * Paul E. McKenney wrote: > > > Hello! > > > > This pull request contains Thomas Gleixner's "Make preempt count > > unconditional" series [1], but with the addition of a kvfree_rcu() bug-fix > > commit making use of this PREEMPT_COUNT addition. This series reduces > > the size of the kernel by almost 100 lines of code and is intended for > > the upcoming v5.10 merge window. > > > Thomas Gleixner (13): > > lib/debug: Remove pointless ARCH_NO_PREEMPT dependencies > > preempt: Make preempt count unconditional > > preempt: Cleanup PREEMPT_COUNT leftovers > > lockdep: Cleanup PREEMPT_COUNT leftovers > > mm/pagemap: Cleanup PREEMPT_COUNT leftovers > > locking/bitspinlock: Cleanup PREEMPT_COUNT leftovers > > uaccess: Cleanup PREEMPT_COUNT leftovers > > sched: Cleanup PREEMPT_COUNT leftovers > > ARM: Cleanup PREEMPT_COUNT leftovers > > xtensa: Cleanup PREEMPT_COUNT leftovers > > drm/i915: Cleanup PREEMPT_COUNT leftovers > > rcutorture: Cleanup PREEMPT_COUNT leftovers > > preempt: Remove PREEMPT_COUNT from Kconfig > > > > Uladzislau Rezki (Sony) (1): > > rcu/tree: Allocate a page when caller is preemptible > > > > kernel test robot (1): > > kvfree_rcu(): Fix ifnullfree.cocci warnings > > > 21 files changed, 44 insertions(+), 136 deletions(-) > > Pulled into tip:core/rcu, thanks a lot guys! Thank you, Ingo!!! Thanx, Paul