linux-kernel - Re: [PATCH] Remove pty_ops_bsd and pty_bsd

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Date:	Tue, 29 Sep 2009 23:39:52 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	David Howells <dhowells@...hat.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	dhowells@...hat.com, akpm@...ux-foundation.org, gregkh@...e.de,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Remove pty_ops_bsd and pty_bsd_ioctl() as they're not
 used

On Tue, 29 Sep 2009 19:40:10 +0100
David Howells <dhowells@...hat.com> wrote:

> Linus Torvalds <torvalds@...ux-foundation.org> wrote:
> 
> > Comments?
> 
> Perhaps add legacy pty support to the list of features to be removed and see
> who howls.

You do break stuff still and they are part of the API, ABI and namespace
so you break compatibility.

> >  static struct tty_driver *pty_driver, *pty_slave_driver;
> 
> These shouldn't be global variables.  They're only used within
> legacy_pty_init().  That's a side issue, however.

Agreed
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