From: "H. Peter Anvin" <hpa@zytor.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jiri Kosina <jikos@jikos.cz>, Jon Ringle <JRingle@vertical.com>,
linux-kernel@vger.kernel.org
Subject: Re: tiny tty driver sample
Date: Wed, 07 Mar 2007 09:51:28 -0800 [thread overview]
Message-ID: <45EEFBA0.7030101@zytor.com> (raw)
In-Reply-To: <20070307182318.28d95c95@lxorguk.ukuu.org.uk>
Alan Cox wrote:
>> I guess something like
>>
>> tty_buffer_request_room(tty, data_size);
>> for (i = 0; i < data_size; ++i)
>> work += tty_insert_flip_char(tty, data[i], TTY_NORMAL);
>> if (work)
>> tty_flip_buffer_push(tty);
>
>
> Unless data_size can be very large and high speed then you can replace the
> lot with
>
> if (tty_insert_flip_string(tty, data, data_size))
> tty_flip_buffer_push(tty);
>
What does "very large and high speed" mean in this context?
-hpa
next prev parent reply other threads:[~2007-03-07 17:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-07 16:27 tiny tty driver sample Jon Ringle
2007-03-07 16:32 ` Jiri Kosina
2007-03-07 18:23 ` Alan Cox
2007-03-07 17:51 ` H. Peter Anvin [this message]
2007-03-08 0:40 ` Alan Cox
2007-03-07 16:50 ` Jiri Slaby
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