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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9F25BC433F5 for ; Thu, 7 Oct 2021 12:56:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 74F5461053 for ; Thu, 7 Oct 2021 12:56:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240626AbhJGM6c (ORCPT ); Thu, 7 Oct 2021 08:58:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33930 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230091AbhJGM6X (ORCPT ); Thu, 7 Oct 2021 08:58:23 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C458C061746 for ; Thu, 7 Oct 2021 05:56:29 -0700 (PDT) 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=t2gI7q5/NIhb/glXH3O3Crq4bZm/0b4Cyew47K+4HGs=; b=RyiNaVJETD+rRsxfT5begYrjSD /gjFqOCHepSY+F5xnOqZl5/KIBgLcOazz8PE7EpUfA+DOFAdgZufKUiyde7wfdkH9cBDQJu40Ldjj 1rDfM2wlsnESA8/PCvS7xHWuyj0qvBx8rui6MQVZrmwmmo9ewT8bp4nHqhXBnaoMK7n8ALzlZsSFY 82fc3lZ084uULAmX4KoEhYQSywAxRh1KsZSfd4Q9WixRxc+oSs/dfybJNTLhwQRQH9to3TP/n1dWh L68TgBVJa6tHiqW8EZHSCJ0Xnu5MdiE1tDfMt2BB2wAo9R7HYS/Ci4VRbFmLm7o3MJBe2Yy3VwynT hy0AW16Q==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mYSuX-001qzE-G4; Thu, 07 Oct 2021 12:54:30 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 75880300079; Thu, 7 Oct 2021 14:54:07 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 19607214490DF; Thu, 7 Oct 2021 14:54:07 +0200 (CEST) Date: Thu, 7 Oct 2021 14:54:07 +0200 From: Peter Zijlstra To: Yafang Shao Cc: pmladek@suse.com, keescook@chromium.org, viro@zeniv.linux.org.uk, akpm@linux-foundation.org, valentin.schneider@arm.com, mathieu.desnoyers@efficios.com, qiang.zhang@windriver.com, robdclark@chromium.org, christian@brauner.io, dietmar.eggemann@arm.com, mingo@redhat.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 3/4] sched.h: extend task comm from 16 to 24 for CONFIG_BASE_FULL Message-ID: References: <20211007120752.5195-1-laoar.shao@gmail.com> <20211007120752.5195-4-laoar.shao@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211007120752.5195-4-laoar.shao@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 07, 2021 at 12:07:51PM +0000, Yafang Shao wrote: > Besides the in-tree kthreads listed above, the out-of-tree kthreads may > also be truncated: > > rtase_work_queu > nvidia-modeset/ > UVM global queu > UVM deferred re > ... > Fundamentally we don't give a crap about out of tree stuff. And their behaviour or not should be of absolutely no concern what so ever for any patch ever.