linux-kernel - Re: [PATCH] n_tty: Remove LINEMODE support

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Message-ID: <54BEA7B2.2060708@hurleysoftware.com>
Date:	Tue, 20 Jan 2015 14:08:34 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Howard Chu <hyc@...as.com>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Jiri Slaby <jslaby@...e.cz>,
	Linux Kernel Mailing List <Linux-Kernel@...r.Kernel.ORG>,
	linux-serial@...r.kernel.org, Theodore Ts'o <tytso@....edu>
Subject: Re: [PATCH] n_tty: Remove LINEMODE support

On 01/20/2015 01:39 PM, Howard Chu wrote:
> Peter Hurley wrote:
>> On 01/19/2015 02:43 PM, Howard Chu wrote:

[...]

>> So it's really back to the question of, does allowing EXTPROC for regular
>> ttys have _value_?
> 
> Does preventing it have value?

Not that that is the appropriate metric for kernel behavior,
but yes, preventing it has value: it significantly limits
the matrix required for testing.


> I like having the option of turning linemode on and off in a session, for debugging purposes if nothing else.

... which is just as achievable with a pty-specific ioctl.

Regards,
Peter Hurley
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