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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 1ECD0C2BB1D for ; Fri, 10 Apr 2020 12:44:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ECBDB206A1 for ; Fri, 10 Apr 2020 12:44:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586522661; bh=CUa1+hFqvCFBDzh9953S1reA+cSlnUCI3GJGVkQCVBc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=ghCFJc5S+Jx+Zoj/tyK8p+g9dnsJlVVZWm/gQOzErbSNTlz5ibh943ooOnbtDskQQ dEixf722sIIZPJd2yjyP0jLddXMKmbKahazdC8LAPhbYO3PLj0sCNLX/+8UI+qaMuy OrWWlM1m/66kSFtlvy+o9l7Pzz0Qemu1U8zNbWIc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726177AbgDJMoT (ORCPT ); Fri, 10 Apr 2020 08:44:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:43858 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725930AbgDJMoT (ORCPT ); Fri, 10 Apr 2020 08:44:19 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F20CC20769; Fri, 10 Apr 2020 12:44:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586522657; bh=CUa1+hFqvCFBDzh9953S1reA+cSlnUCI3GJGVkQCVBc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XyKUuxQJ6wntPFoJ/xbDgcBoS4XbrTowG9Bpqhpqz3OZ0HDdH2GlnG8fTFhnwtasP pAZQQU0j1bfEBrkO0BVolWbswPmY6xRQuyIrRvuEgwYrnFtRgfKgutsv1eu22U5kSe uozERvwqmFvaUnbyaj2FOPe5D6eKp7Y7+dpLjkIo= Date: Fri, 10 Apr 2020 14:44:14 +0200 From: Greg Kroah-Hartman To: Orson Zhai Cc: Jonathan Corbet , Petr Mladek , Sergey Senozhatsky , Steven Rostedt , Jason Baron , Andrew Morton , Randy Dunlap , orsonzhai@gmail.com, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kernel-team@android.com, Orson Zhai Subject: Re: [PATCH] dynamic_debug: Add an option to enable dynamic debug for modules only Message-ID: <20200410124414.GB2091460@kroah.com> References: <1586521984-5890-1-git-send-email-orson.unisoc@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1586521984-5890-1-git-send-email-orson.unisoc@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 10, 2020 at 08:33:04PM +0800, Orson Zhai wrote: > From: Orson Zhai > > Instead of enabling dynamic debug globally with CONFIG_DYNAMIC_DEBUG, > CONFIG_DYNAMIC_DEBUG_CORE will only enable core function of dynamic > debug. With the DEBUG_MODULE defined for any modules, dynamic debug > will be tied to them. > > This is useful for people who only want to enable dynamic debug for > kernel modules without worrying about kernel image size and memory > consumption is increasing too much. > > Signed-off-by: Orson Zhai > --- > Documentation/admin-guide/dynamic-debug-howto.rst | 7 +++++-- > include/linux/dev_printk.h | 6 ++++-- > include/linux/dynamic_debug.h | 2 +- > include/linux/printk.h | 14 +++++++++----- > lib/Kconfig.debug | 12 ++++++++++++ > lib/Makefile | 2 +- > lib/dynamic_debug.c | 9 +++++++-- > 7 files changed, 39 insertions(+), 13 deletions(-) Crazy idea, I like it :) Acked-by: Greg Kroah-Hartman