From: Pavel Machek <pavel@suse.cz>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>,
Alex Belits <abelits@phobos.illtel.denver.co.us>
Cc: linux-kernel@vger.kernel.org, Linus Torvalds <torvalds@transmeta.com>
Subject: Re: Serial device with very large buffer
Date: Fri, 9 Feb 2001 20:12:43 +0100 [thread overview]
Message-ID: <20010209201243.D16776@bug.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.10.10101312301110.1478-100000@mercury> <E14OTPp-0005MY-00@the-village.bc.nu>
In-Reply-To: <E14OTPp-0005MY-00@the-village.bc.nu>; from Alan Cox on Thu, Feb 01, 2001 at 11:45:23PM +0000
Hi!
> > I also propose to increase the size of flip buffer to 640 bytes (so the
> > flipping won't occur every time in the middle of the full buffer), however
> > I understand that it's a rather drastic change for such a simple goal, and
> > not everyone will agree that it's worth the trouble:
>
> Going to a 1K flip buffer would make sense IMHO for high speed devices too
Actually bigger flipbufs are needed for highspeed serials and
irda. Tytso received patch to make flipbuf size settable by the
driver. (Setting it to 1K is not easy, you need to change allocation
mechanism of buffers.)
Pavel
--
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
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next prev parent reply other threads:[~2001-02-10 9:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-01 23:20 Serial device with very large buffer Alex Belits
2001-02-01 23:45 ` Alan Cox
2001-02-01 23:50 ` Alex Belits
2001-02-02 4:56 ` Joe deBlaquiere
2001-02-02 5:22 ` Alex Belits
2001-02-02 5:45 ` Joe deBlaquiere
2001-02-02 6:43 ` Alex Belits
2001-02-09 19:12 ` Pavel Machek [this message]
2001-02-12 7:03 ` Alex Belits
-- strict thread matches above, loose matches on Subject: below --
2001-02-02 5:28 Garst R. Reese
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