Date: Thu, 29 Nov 2012 21:28:09 +0000
From: Alan Cox <alan@linux.intel.com>
To: Ilya Zykov <ilya@ilyx.ru>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Xiaobing Tu <xiaobing.tu@intel.com>,
        Jiri Slaby <jslaby@suse.cz>, Alek Du <alek.du@intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [PATCH] tty: Correct tty buffer flushing.
Message-ID: <20121129212809.5bc12088@bob.linux.org.uk>
In-Reply-To: <50B76D96.20809@ilyx.ru>
References: <50B55A93.4090900@ilyx.ru>
	<50B6A652.9000107@ilyx.ru>
	<20121129135418.4237e7f8@pyramind.ukuu.org.uk>
	<50B76D96.20809@ilyx.ru>
Organization: Intel
Organisation: Intel Corporation UK Ltd, registered no. 1134945 (England),
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> Sorry, In you reply not all patch.
> Main idea here -  we never flash last (struct tty_buffer) in the
> active buffer. Only data for ldisc. (tty->buf.head->read =
> tty->buf.head->commit). At that moment driver can collect(write) data
> in buffer without conflict.

Ah.. now I understand. Yes that makes sense.  I will think about that
carefully. This is why a good explanation with a patch is important.

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