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[209.132.180.67]) by mx.google.com with ESMTP id b14si11891813pgr.78.2017.11.06.12.55.03; Mon, 06 Nov 2017 12:55:16 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=V76O7mH7; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933088AbdKFT10 (ORCPT + 95 others); Mon, 6 Nov 2017 14:27:26 -0500 Received: from mail-qk0-f180.google.com ([209.85.220.180]:44852 "EHLO mail-qk0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932576AbdKFT1Z (ORCPT ); Mon, 6 Nov 2017 14:27:25 -0500 Received: by mail-qk0-f180.google.com with SMTP id v137so2677006qkb.1 for ; Mon, 06 Nov 2017 11:27:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=RqLViyTmP1hkxUTlc1IDKkJ/Tc52uamaaIxYNBhYYEI=; b=V76O7mH74BIO4jXcNhjgGOCmqv/KWblXezgiKoxHWEdeFHs90X8MO9cyHfFXo26CAQ r63I2GazWRLzrB06QGHUGAmEUnrbpZ3fgA2av5LPA5I2XIuGTa5vGL6CE4TozrIh0X9F wdJMO/ZyzPKLhA8JW3zieXFFL2fmG63OZcGZsCG+Z6bfc9VKqHDeWQT/I1wEDvZpAJfS 1rPwGrnt9y5Yfu4MwcS5dJh7rFbSdqVll2Miu/gsM/RcZ8Qk0L9dWauTjfi9cPuYX+qQ DYG0iaIc88KkC0t5GyXvRURmjfqMZh6IpMxTPGaPGymJrVkQImxK4VJhCjS+BFv/H/Qj IrDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=RqLViyTmP1hkxUTlc1IDKkJ/Tc52uamaaIxYNBhYYEI=; b=ThGQSqz9lAp7X49itfwl3L0X5OIXvwAZGYSQzU+pNrrMrvrUrQQMqu6+bQt66XvTOy jL0FDK94ncxwp5eR1fEAspB1Nm+ZWh6gVHpm4jUMB+T92b6Jys1xY4ZGyeL7XzakDH9/ Xz2FEVuacCwJHe2/8GXcFRqnJ4JVREMpdTWpHTErr1vn8Hev4ee48wREBGE0sbyYjYHs iz4cUmAjGm1d9o837ZZpQcFZWkmZtTYUwG5YuAILjFPWuvcL1Xksl2yE0GENjRO4uccZ DH9u/4kD59S4ZfuCKpzx/+gEWM2ell6mvpYWTjYOxHMhgf8om3K559hzxNakRLhzEB5z wzQQ== X-Gm-Message-State: AJaThX4ThHsIKRK7N+S0llJXdPHcJW2r8ZOuFbwTYW/AWVA2ev2MyOeg lUMG4g+woNUggvbuqPKTghDskWOIeW6k00gwTkY= X-Received: by 10.55.204.20 with SMTP id r20mr561459qki.197.1509996445079; Mon, 06 Nov 2017 11:27:25 -0800 (PST) MIME-Version: 1.0 Received: by 10.140.86.234 with HTTP; Mon, 6 Nov 2017 11:27:04 -0800 (PST) In-Reply-To: <20171101074154.GT2283@lahna.fi.intel.com> References: <20171031224546.46ac6eab@shemminger-XPS-13-9360> <20171101074154.GT2283@lahna.fi.intel.com> From: Andreas Noever Date: Mon, 6 Nov 2017 20:27:04 +0100 Message-ID: Subject: Re: Excessive logging in thunderbolt driver To: Mika Westerberg Cc: Stephen Hemminger , Michael Jamet , Yehezkel Bernat , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 1, 2017 at 8:41 AM, Mika Westerberg wrote: > On Tue, Oct 31, 2017 at 10:45:46PM +0100, Stephen Hemminger wrote: >> The thunderbolt driver needs to stop logging. >> All these debug messages and the laptop is on battery with no devices connected. >> (I did use a USB key, but that is not a thunderbolt device). >> >> IMHO a production driver should log nothing in normal operation. >> If you insist, the one message when device is found on discovery/probe >> is allowed at INFO level. >> >> All the rest should just go away, or be turned into pr_debug(). > > I agree and it is on my todo list for this driver. Logging all the details was quite useful in the beginning to make the driver work on hardware that was not available to me. But now that thinks are mostly working I agree that we should turn the logging way down. From 1582848811837518358@xxx Wed Nov 01 07:44:18 +0000 2017 X-GM-THRID: 1582811248246964042 X-Gmail-Labels: Inbox,Category Forums