Re: [PATCH 00/21] TTY buffer in tty_port and other stuff

From: Alan Cox
Date: Mon Oct 22 2012 - 10:51:55 EST

On Thu, 18 Oct 2012 22:26:26 +0200
Jiri Slaby <jslaby@xxxxxxx> 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@xxxxxxxxxxxxxxx>
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