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Date: Mon, 19 Jan 2015 11:34:55 -0500 From: Peter Hurley <peter@...leysoftware.com> To: Theodore Ts'o <tytso@....edu> CC: Howard Chu <hyc@...as.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>, Jiri Slaby <jslaby@...e.cz>, linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org Subject: Re: [PATCH] n_tty: Remove LINEMODE support Hi Ted, On 01/18/2015 11:55 PM, Theodore Ts'o wrote: > Line mode goes back to BSD 4.x days, and it's useful over high latency > links --- i.e., the sort of thing that you get with stone age cellular > data networks (i.e., the sort of thing that we still have the US), > amateur packet radio links, etc. So it's certianly a nice to have, if > someone is willing to support it and the maintenance burden on the > rest of the tty stack isn't too onerous. I'm not philosophically opposed to Line mode support, but I am concerned about providing a userspace interface that's not getting tested or used or otherwise not fit for purpose. I copied you on the other email regarding the specific deficiencies so I won't reiterate them here. Perhaps it's fortunate that userspace didn't pick this up; otherwise, this interface would be cast in stone. Regards, Peter Hurley -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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