From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1755947AbcLSRg7 (ORCPT <rfc822;w@1wt.eu>);
        Mon, 19 Dec 2016 12:36:59 -0500
Received: from mga06.intel.com ([134.134.136.31]:50755 "EHLO mga06.intel.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1753669AbcLSRg5 (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Mon, 19 Dec 2016 12:36:57 -0500
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.33,374,1477983600"; 
   d="scan'208";a="204619687"
Message-ID: <1482168920.9552.101.camel@linux.intel.com>
Subject: Re: [PATCH] serial: 8250: Avoid "too much work" from bogus rx
 timeout interrupt
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Doug Anderson <dianders@chromium.org>,
        Peter Hurley <peter@hurleysoftware.com>,
        california.l.sullivan@intel.com,
        "Liakhovetski, Guennadi" <guennadi.liakhovetski@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, jslaby@suse.com,
        Brian Norris <briannorris@chromium.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@lists.infradead.org>,
        =?UTF-8?Q?=E9=99=88=E6=B8=90=E9=A3=9E?= <jeffy.chen@rock-chips.com>,
        =?UTF-8?Q?=E9=AB=98=E7=BE=8E=E6=89=8D?= <eric.gao@rock-chips.com>,
        phillip.raffeck@fau.de, anton.wuerfel@fau.de,
        yegorslists@googlemail.com, matwey@sai.msu.ru,
        tthayer@opensource.altera.com, linux-serial@vger.kernel.org,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Date: Mon, 19 Dec 2016 19:35:20 +0200
In-Reply-To: <1482168788.9552.100.camel@linux.intel.com>
References: <1482110067-5591-1-git-send-email-dianders@chromium.org>
         <1482152376.9552.96.camel@linux.intel.com>
         <CAD=FV=Uzjb9Hcmw462Rr2QG6kpPkuF0ZA1=qoKwxTP4_FdFzrQ@mail.gmail.com>
         <1482168788.9552.100.camel@linux.intel.com>
Organization: Intel Finland Oy
Content-Type: text/plain; charset="UTF-8"
X-Mailer: Evolution 3.22.3-1 
Mime-Version: 1.0
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Mon, 2016-12-19 at 19:33 +0200, Andy Shevchenko wrote:
> On Mon, 2016-12-19 at 09:12 -0800, Doug Anderson wrote:

> What I think is that the root cause of this is still unknown and
> either
> above looks like a hack.

One more link:

http://www.spinics.net/lists/linux-serial/msg22316.html

-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy