From mboxrd@z Thu Jan  1 00:00:00 1970
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH 00/26] tty/serial flow control fixes
Date: Mon, 8 Sep 2014 16:24:45 -0700
Message-ID: <20140908232445.GA28204@kroah.com>
References: <1409693975-1028-1-git-send-email-peter@hurleysoftware.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <linux-serial-owner@vger.kernel.org>
Received: from mail.linuxfoundation.org ([140.211.169.12]:36423 "EHLO
	mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1755079AbaIHXYq (ORCPT
	<rfc822;linux-serial@vger.kernel.org>);
	Mon, 8 Sep 2014 19:24:46 -0400
Content-Disposition: inline
In-Reply-To: <1409693975-1028-1-git-send-email-peter@hurleysoftware.com>
Sender: linux-serial-owner@vger.kernel.org
List-Id: linux-serial@vger.kernel.org
To: Peter Hurley <peter@hurleysoftware.com>
Cc: Jiri Slaby <jslaby@suse.cz>, One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org

On Tue, Sep 02, 2014 at 05:39:09PM -0400, Peter Hurley wrote:
> Hi Greg,
> 
> This patch series reworks the internals of tty and serial flow control to
> fix multiple races in both START/STOP flow control and RTS/CTS flow control.
> 
> The main changes in this series are:
> Patch 1
>    Backs out the UPF_HARD_FLOW kludge for 8250. This revert should be
>    for mainline and -next
> 
> Patches 3-7
>    Fixes to x_char handling (ie., sending START/STOP) both in the serial
>    core and to several UART drivers
> 
> Patches 10-15
>    Rename and move ASYNC_CTS_FLOW and ASYNC_CHECK_CD statuses into
>    a private field for the serial core, and add helper functions to test
>    those statuses for UART drivers.
> 
>    This is a necessary step toward making tty port->flags SMP-safe, without
>    introducing a new lock.

I stopped applying at patch 13, due to the objections to that patch.
Please redo the rest of the series and resend.

thanks,

greg k-h