From: ebiederm@xmission.com (Eric W. Biederman)
To: Johan Hovold <jhovold@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
Greg Kroah-Hartman <gregkh@suse.de>,
Michael Trimarchi <trimarchi@gandalf.sssup.it>,
Oliver Neukum <oliver@neukum.org>,
linux-usb@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] USB: ftdi_sio: Remove tty->low_latency.
Date: Sun, 04 Oct 2009 16:39:22 -0700 [thread overview]
Message-ID: <m1d452wwyd.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <20091004194822.GD24079@localhost> (Johan Hovold's message of "Sun\, 4 Oct 2009 21\:48\:22 +0200")
Johan Hovold <jhovold@gmail.com> writes:
>> > > > + * The per character mucking around with sysrq path it too slow, so
>> > > > + * shortcircuit it in the 99.9999999% of cases where the USB serial is
>> > > > + * not a console anyway.
>> > > > + */
>> > > > + ch = packet + 2;
>> > > > + len -= 2;
>> > > > + if (!port->console || !port->sysrq)
>> > >
>> > > You need && flag == TTY_NORMAL ?
>> >
>> > You tell me. :-) Are we interested in them unless port->console is set?
>>
>> Yes - we don;t care about the sysrq but we care about error characters
>> being reported ot the line discipline properly.
>
> Wasn't thinking.. Here's an update which always passes error characters.
> It also uses ASYNCB_INITIALIZED (instead of ASYNCB_CLOSING) in unthrottle.
To test this what should I be applying this on top of?
There have been a lot of patches flying around.
Eric
next prev parent reply other threads:[~2009-10-04 23:40 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-24 15:40 [PATCH] USB: ftdi_sio: Remove tty->low_latency Johan Hovold
2009-09-24 19:03 ` Oliver Neukum
2009-09-24 19:21 ` Alan Cox
2009-09-24 21:15 ` Johan Hovold
2009-09-25 17:46 ` Michael Trimarchi
2009-09-29 14:55 ` Johan Hovold
2009-09-29 22:52 ` Alan Cox
2009-09-30 6:33 ` Michael Trimarchi
2009-09-30 9:05 ` Johan Hovold
2009-10-02 2:52 ` Eric W. Biederman
2009-10-02 8:47 ` Johan Hovold
2009-10-02 16:33 ` Alan Cox
2009-10-02 22:29 ` Eric W. Biederman
2009-10-03 10:21 ` Johan Hovold
2009-10-02 23:00 ` Eric W. Biederman
2009-10-03 13:09 ` Alan Cox
2009-10-03 23:51 ` Eric W. Biederman
2009-11-17 18:35 ` Eric W. Biederman
2009-11-17 18:41 ` Oliver Neukum
2009-11-17 18:56 ` Eric W. Biederman
2009-11-17 20:05 ` Eric W. Biederman
2009-11-18 1:08 ` Eric W. Biederman
2009-11-18 3:10 ` [PATCH] ftdi_sio: Keep going when write errors are encountered Eric W. Biederman
2009-11-18 3:44 ` Greg KH
2009-10-03 11:42 ` [PATCH] USB: ftdi_sio: Remove tty->low_latency Johan Hovold
2009-10-03 12:11 ` Oliver Neukum
2009-10-03 12:28 ` Johan Hovold
2009-10-03 13:31 ` Oliver Neukum
2009-10-03 14:41 ` Johan Hovold
2009-10-03 13:18 ` Alan Cox
2009-10-03 13:27 ` Oliver Neukum
2009-10-03 14:05 ` Johan Hovold
2009-10-03 16:33 ` Alan Cox
2009-10-03 16:46 ` Johan Hovold
2009-10-04 19:48 ` Johan Hovold
2009-10-04 23:39 ` Eric W. Biederman [this message]
2009-10-05 7:01 ` Johan Hovold
2009-10-02 16:59 ` Greg KH
2009-10-02 9:04 ` Alan Cox
2009-10-02 9:53 ` Alan Cox
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