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Date: Wed, 07 Mar 2007 09:51:28 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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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
References: <4DD3AF7ECBBC43409BA36508938D0185123A35@CVAEX1.VERTICAL.COM>	<Pine.LNX.4.64.0703071730190.10909@twin.jikos.cz> <20070307182318.28d95c95@lxorguk.ukuu.org.uk>
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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