linux-kernel - Re: [PATCH 00/21] TTY buffer in tty

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Message-ID: <20121022155701.2d51893f@pyramind.ukuu.org.uk>
Date:	Mon, 22 Oct 2012 15:57:01 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	gregkh@...uxfoundation.org, alan@...ux.intel.com,
	linux-kernel@...r.kernel.org, jirislaby@...il.com
Subject: Re: [PATCH 00/21] TTY buffer in tty_port and other stuff

On Thu, 18 Oct 2012 22:26:26 +0200
Jiri Slaby <jslaby@...e.cz> wrote:

> Hi,
> 
> this is the fifth series of patches which finally move tty buffers
> from tty_struct (present from open to close/hangup) to tty_port
> (present as long as the device). This allows 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 do not 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.

Looks good to me working through them

Acked-by: Alan Cox <alan@...ux.intel.com>
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