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=-17.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham 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 58CE2C433B4 for ; Thu, 6 May 2021 13:06:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1745C61159 for ; Thu, 6 May 2021 13:06:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233070AbhEFNHT (ORCPT ); Thu, 6 May 2021 09:07:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56698 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232750AbhEFNHS (ORCPT ); Thu, 6 May 2021 09:07:18 -0400 Received: from mail-ej1-x62a.google.com (mail-ej1-x62a.google.com [IPv6:2a00:1450:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89028C061574 for ; Thu, 6 May 2021 06:06:20 -0700 (PDT) Received: by mail-ej1-x62a.google.com with SMTP id t4so8241754ejo.0 for ; Thu, 06 May 2021 06:06:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rasmusvillemoes.dk; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=KWJg+Vt3Q8NVH2ewzCg+bN0L04a/eNeDOHTWG7S8+10=; b=TEUqXuWA7rir5GMdojTKBQi0ozHKO/kw2Kyn2TmsraaXDBG0RE/vEg0hCoiED19Ysh YemqzZVLc/nzKTawNq7bAwRzhgOvdyzbCQtBOE8B2RGxOXGZWra//4uGWU9VIUIW0lRm bSZZlnXHg+plaV5Aza1BbWzs+BJ6laNTL5IRs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=KWJg+Vt3Q8NVH2ewzCg+bN0L04a/eNeDOHTWG7S8+10=; b=STKp4K3lcYJX+N6eIGFDOgzNZqYK26RLdxpWmYUOX9giwGLfp5/pESSYDwFp2DBeN9 vxcnMRkqAjyJEjNxF+K1dzkOINpAT5fE3D10MeENnEgbp/UfdBkXwxKb2oFMjbYEDzOt hagLZZ/EAYa9Z33uF5UMYTtLtlYLnrT0ZmidIhPi/05UfrMmGfeNUta5XkYrtKR7VLCh GYZQrzYAiiuvkvKGIvYWw/hCGjhMxjL0nUDgUau0qDVlTY8WNUJF5Uob2mhqk7G/E19d mmt6Wb3D2aAUaUPQakIvjYVO4mWjykRXpe9hBnfcvuHxPEPpsFdjtXWPSyRokjpFCcTT 6V3g== X-Gm-Message-State: AOAM532/1j2qv6jGJ5P4oVDLQqAPUAMIbvxb+2ApiQcu3u6hsITbaBOB dUBs8ZUL6Z+aHZphpJYGYAsXkw== X-Google-Smtp-Source: ABdhPJxGoEZFw1zzzvPrZ6QjKuGkiPMEf/oV0Q5C+88F8WrG/wmLZSf6SCZIQjq46irVRTAM2LD5iQ== X-Received: by 2002:a17:906:46d0:: with SMTP id k16mr4295291ejs.105.1620306379262; Thu, 06 May 2021 06:06:19 -0700 (PDT) Received: from [192.168.1.149] ([80.208.71.248]) by smtp.gmail.com with ESMTPSA id l26sm1368799ejz.27.2021.05.06.06.06.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 06 May 2021 06:06:18 -0700 (PDT) Subject: Re: [PATCH] docs: admin-guide: update description for kernel.hotplug sysctl To: Jonathan Corbet , Kay Sievers , Greg Kroah-Hartman Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org References: <20210420120638.1104016-1-linux@rasmusvillemoes.dk> From: Rasmus Villemoes Message-ID: <58ed4157-b8f8-be1b-65f7-89fc2e318a43@rasmusvillemoes.dk> Date: Thu, 6 May 2021 15:06:17 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210420120638.1104016-1-linux@rasmusvillemoes.dk> Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On 20/04/2021 14.06, Rasmus Villemoes wrote: > It's been a few releases since this defaulted to /sbin/hotplug. Update > the text, and include pointers to the two CONFIG_UEVENT_HELPER{,_PATH} > config knobs whose help text could provide more info, but also hint > that the user probably doesn't need to care at all. > > Fixes: 7934779a69f1 ("Driver-Core: disable /sbin/hotplug by default") > Signed-off-by: Rasmus Villemoes Ping. > --- > Documentation/admin-guide/sysctl/kernel.rst | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst > index 1d56a6b73a4e..c24f57f2c782 100644 > --- a/Documentation/admin-guide/sysctl/kernel.rst > +++ b/Documentation/admin-guide/sysctl/kernel.rst > @@ -333,7 +333,12 @@ hotplug > ======= > > Path for the hotplug policy agent. > -Default value is "``/sbin/hotplug``". > +Default value is ``CONFIG_UEVENT_HELPER_PATH``, which in turn defaults > +to the empty string. > + > +This file only exists when ``CONFIG_UEVENT_HELPER`` is enabled. Most > +modern systems rely exclusively on the netlink-based uevent source and > +don't need this. > > > hung_task_all_cpu_backtrace >