linux-kernel - Re: [RFC] tty: Add get- ioctls to fetch tty status

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Date:	Sat, 22 Sep 2012 18:09:53 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Cyrill Gorcunov <gorcunov@...nvz.org>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	LKML <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Pavel Emelyanov <xemul@...allels.com>,
	Jiri Slaby <jslaby@...e.cz>
Subject: Re: [RFC] tty: Add get- ioctls to fetch tty status

On Sun, Sep 23, 2012 at 01:52:32AM +0400, Cyrill Gorcunov wrote:
> On Sun, Sep 23, 2012 at 12:11:44AM +0400, Cyrill Gorcunov wrote:
> >
> > > Sysfs is one value per file, you have three values here, please make 3
> > > files.
> > > 
> > > And document them in Documentation/ABI/.
> > 
> > Hmm, sure Greg, I'll update. Thanks!
> 
> Something like below I suppose? Look, if there will be no complains
> on tech aspects on the patch (locking and tty refs) -- I'll update
> Documentation. Just want be sure I've made no mistakes here.
> 
> Another question -- would not it be worth to wrap code with
> CONFIG_CHECKPOINT_RESTORE?

Alan's point stands, what's the use of this if it can instantly change
after you read the value?

greg k-h
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