Received: by 2002:a05:6359:6284:b0:131:369:b2a3 with SMTP id se4csp4532138rwb; Tue, 8 Aug 2023 09:47:00 -0700 (PDT) X-Google-Smtp-Source: AGHT+IE9/JJ6/QuDPtiwGZJEwJ1RdHjAFiRYzQLQyZUDpZujpScoj5+3a0eSvBWgXSa46yzrdHlb X-Received: by 2002:a9d:6f07:0:b0:6bc:65ad:1b08 with SMTP id n7-20020a9d6f07000000b006bc65ad1b08mr135336otq.28.1691513220098; Tue, 08 Aug 2023 09:47:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1691513220; cv=none; d=google.com; s=arc-20160816; b=lRbnsKsRi6DCfcpY9okYuB6SgwZBP45Ldzp9iiHng+i1bVaCuKX5kRPPXmPL3pvs1F vqu+DPF8b3EQ5an9GEnFMWxxu5xZSOsUE97OxZZinNgSOLLhMwqQdTy05Zguc9J4LTwT nTSXBJNDXTMzef+mU42vLc6jtY8B3QzcAdTq65VO6q3kM0d0LbW2DzFrgV9KiM12BUe5 yXw1/vGkb6dsG6AHu7Iox5A+8eRE+EGco7dAQ2DgodaE+xtFO48nAbzniadDpG7djbtB 0PcR0ZyVdisMwfbMiOkOzJh1DOyDtEvdz4iQ1C29ZkZvGhxnE4TMdH+9ilEfXjVRXXXW ZDkw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-transfer-encoding :content-disposition:mime-version:references:reply-to:message-id :subject:cc:to:from:date:dkim-signature; bh=A4LgGNF34ZSxVHbNVLoXtNTar+NGdQKQU5d+tVVjItY=; fh=e+9m7f8o+fWf1ElaYiB5dwfCRQ3NnFp64PiMITNet48=; b=yesRoRkx6zKW0hrZKh1fAnH8OLJ/K2uz4k90xHjVZqQjolueKqoVT6nJV4sJLAeDFq Y2ze4QJ+NnSaQmMrPSuIpW6ieRhNZkzDKahhK/WUZSTN8jLo5qO0FLz/HrTxC0+Dw7SG +6EXxYTeci980E+od8I7I3cEO9WKjcHG1XSTXCaUMb08KHIhf2Le1I8dHQFRR7LQStLE /J4RSXByc8QIQo0QNROEQFJBJqOOPgbUYmQfe5dzq9k3UemCzusfpbas2IzeoOobUww9 CCUGJSCjwL/X0lPZqeR9S0qoQ6JpTcYmPSQG+LIIPLcFlyeqgtOtkvHBhIlXHZvZh3OL iOvw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=o+z86DrL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id h11-20020a63574b000000b0053eee173733si4682083pgm.227.2023.08.08.09.46.47; Tue, 08 Aug 2023 09:47:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=o+z86DrL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232624AbjHHQ3B (ORCPT + 99 others); Tue, 8 Aug 2023 12:29:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45918 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232643AbjHHQ1Z (ORCPT ); Tue, 8 Aug 2023 12:27:25 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7303411F65; Tue, 8 Aug 2023 08:50:41 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 46DE1623A9; Tue, 8 Aug 2023 04:00:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A2C28C433C7; Tue, 8 Aug 2023 04:00:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1691467250; bh=cXOL8xc0A6xcrLjiQsPiQrtWN20XM6CeBDpoGxgL8Qk=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=o+z86DrLNP1vWk8LoTk/wc1ANBL99M0PKRR+UcOivvqI5LtL9A6Smraa0A7fptFev ZlN3G2SgelsItMTBWfEuMKgd0HNzOa9AeFF0HJ74Z/jBDAAAmH36gGAKbb/HY9RqRf lLo/1em7MTyv5d/rWEfNM86ruz7dXfN2mnPPHtKtjTjhWkQxCjFZvWb2et4QArfLR1 Dz4KMbciP+gma6aCCOAOZkFFVGifB3xptnoV9P2vRoURp+THmO7sIDruLl5gLmorcD l4wpyICePvibViNeouqrXPU8mSJbAdy+bUf8fgUYp9dYsgmo2dWtHpJd7nXdZ1Fbmx tM3RZPimzNgZg== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 6F43BCE075B; Mon, 7 Aug 2023 21:00:49 -0700 (PDT) Date: Mon, 7 Aug 2023 21:00:49 -0700 From: "Paul E. McKenney" To: John Stultz Cc: rcu@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@meta.com, rostedt@goodmis.org, Dietmar Eggemann , Josh Triplett , Joel Fernandes , Juri Lelli , Valentin Schneider , kernel-team@android.com, Davidlohr Bueso Subject: Re: [PATCH rcu 2/2] torture: Add lock_torture writer_fifo module parameter Message-ID: <8ecb0ee9-cbe0-458d-930f-772ee7128003@paulmck-laptop> Reply-To: paulmck@kernel.org References: <12d34340-6c94-4bfd-aa16-3c39026070d8@paulmck-laptop> <20230728032232.816584-2-paulmck@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 07, 2023 at 08:27:29PM -0700, John Stultz wrote: > On Thu, Jul 27, 2023 at 8:22 PM Paul E. McKenney wrote: > > > > From: Dietmar Eggemann > > > > This commit adds a module parameter that causes the locktorture writer > > to run at real-time priority. > > > > To use it: > > insmod /lib/modules/torture.ko random_shuffle=1 > > insmod /lib/modules/locktorture.ko torture_type=mutex_lock rt_boost=1 rt_boost_factor=50 nested_locks=3 writer_fifo=1 > > ^^^^^^^^^^^^^ > > > > A predecessor to this patch has been helpful to uncover issues with the > > proxy-execution series. > > > > [ paulmck: Remove locktorture-specific code from kernel/torture.c. ] > > Thanks again for improving this! I've switched over to your version > here in my test tree. > > Acked-by: John Stultz Thank you both! I will apply on my next rebase. Thanx, Paul