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 6EB4BC4338F for ; Mon, 9 Aug 2021 11:57:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3BA5C61052 for ; Mon, 9 Aug 2021 11:57:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233619AbhHIL52 (ORCPT ); Mon, 9 Aug 2021 07:57:28 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:39254 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231478AbhHIL51 (ORCPT ); Mon, 9 Aug 2021 07:57:27 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 288C621A5C; Mon, 9 Aug 2021 11:57:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1628510226; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=1Uo1PVFrRAL506VNbpSo7f29ooxv/mPgKIZzf0LxTos=; b=S3sO437/zolHdJ1Hy2vdaKB4qssfAIwLgsub3mkYtC6PFZwDOmV+eHWQTixfNNWYWj3RKc hci9HU2SaFv7E98ePxmioIx6fn2WezV+M45o0f1ABoFah6ceO81/uweWCnQwhpdoK7gdY4 F4ASHkWVnkopzm4baohuE37+x7cKAD4= Received: from suse.cz (unknown [10.100.201.86]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id BF0D7A3B81; Mon, 9 Aug 2021 11:57:05 +0000 (UTC) Date: Mon, 9 Aug 2021 13:57:05 +0200 From: Michal Hocko To: chenguanyou Cc: akpm@linux-foundation.org, chenguanyou@xiaomi.com, gpiccoli@canonical.com, keescook@chromium.org, linux-kernel@vger.kernel.org, lukas.bulwahn@gmail.com, vbabka@suse.cz Subject: Re: [PATCH v2] hungtask: add filter kthread Message-ID: References: <20210809115238.4044-1-chenguanyou@xiaomi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210809115238.4044-1-chenguanyou@xiaomi.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 09-08-21 19:52:38, chenguanyou wrote: > > This still suggests that the primary purpose of the interface is to > > paper over real problems that should be fixed instead. > > I know, but i don't care kernel threads state because of it doesn't neet to fixed. > The API only for debugging. Then I am afraid you have to keep this a local non-upstream feature in your kernel. This doesn't look like an upstream material to me. -- Michal Hocko SUSE Labs