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=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 B5FB3C63697 for ; Wed, 18 Nov 2020 14:24:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5796320829 for ; Wed, 18 Nov 2020 14:24:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="qZ/SdaLt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726616AbgKROYJ (ORCPT ); Wed, 18 Nov 2020 09:24:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726479AbgKROYJ (ORCPT ); Wed, 18 Nov 2020 09:24:09 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D42D4C0613D4 for ; Wed, 18 Nov 2020 06:24:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=HcSckMJ4nvuu0X/47sgttQL+uAFnUib5cDBIpjcS1ug=; b=qZ/SdaLtCalXtUHVRVHVu0KleG RK8xcdEgaPfP7aU/l0JZJm1KOzMiqLh/ZZ3QX4gew+5++SewSID/3mV7CG4On+WiYtH8bvIHGQOST I0NUlIcEZgkAvjuJBds539ii7scbxo1q37hB2qwZSSBjXF3nZS9u0AniH5PQFkVnyJjdqKk2le0/Y yUq03ohVXDmagqLJH0TEdQDdIWSeMEcolfU+4ah+s3SMkzJ+PrCNMuKokGNLVOtVLhx/illXizYlS nSheXft+0pfiN+X4fISqqEWxib4nrc+Bp9+/OEP3CD0WCPTlFEZ4Jl8U8VN0S7jTR2yjuzrn9gbqQ Flm9GdKg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kfONK-0003Yj-HO; Wed, 18 Nov 2020 14:23:58 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id CF0933012C3; Wed, 18 Nov 2020 15:23:57 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id B412820116725; Wed, 18 Nov 2020 15:23:57 +0100 (CET) Date: Wed, 18 Nov 2020 15:23:57 +0100 From: Peter Zijlstra To: Tetsuo Handa Cc: Ingo Molnar , Will Deacon , Andrew Morton , linux-kernel@vger.kernel.org, Dmitry Vyukov , Linus Torvalds Subject: Re: [PATCH v3] lockdep: Allow tuning tracing capacity constants. Message-ID: <20201118142357.GW3121392@hirez.programming.kicks-ass.net> References: <1595640639-9310-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp> <384ce711-25c5-553b-8d22-965847132fbd@i-love.sakura.ne.jp> <0eb519fa-e77b-b655-724a-4e9eecc64626@i-love.sakura.ne.jp> <6933e938-f219-5e13-aee6-fe4de87eb43e@i-love.sakura.ne.jp> <81ab0ffd-6e80-c96c-053a-b1b4fe8694c1@i-love.sakura.ne.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <81ab0ffd-6e80-c96c-053a-b1b4fe8694c1@i-love.sakura.ne.jp> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 18, 2020 at 10:57:08PM +0900, Tetsuo Handa wrote: > Peter, do you have a plan to make this problem actionable? I don't even know what the problem is.. nor do you. You can keep sending this bad paper-over-issues patch until you're blue in the face, I'll not take it for reasons I've explained before. I've also previously said that the right way to go about this is to figure out what exactly is consuming these resources and then figure out how to cure _that_. Blindly increasing the number only enables bad actors to get away with being bad.