linux-kernel - Re: [PATCH 00/68] TTY buffer in tty

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Message-ID: <20120308205146.GA16194@kroah.com>
Date:	Thu, 8 Mar 2012 12:51:46 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	alan@...ux.intel.com, linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org, jirislaby@...il.com
Subject: Re: [PATCH 00/68] TTY buffer in tty_port -- prep no. 1

On Mon, Mar 05, 2012 at 02:51:47PM +0100, Jiri Slaby wrote:
> Hi,
> 								      
> this is the first series of patches which allow tty buffers to be
> moved from tty_struct (present from open to close/hangup) to tty_port
> (present as long as the device). This will allow us to get rid of the
> tty refcounting in the interrupt service routines and other hot paths
> after we are done. This is because we won't need to handle races among
> ISRs, timers, hangups and others, because tty_port lives as long as an
> interrupt/timer tick may occur. Unlike tty_struct.
> 
> In this series, only first few drivers are converted to use
> tty_port. The rest is to come later.

Very nice work, all queued up now.

greg k-h
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