From: Pavel Machek <pavel@ucw.cz>
To: alan@lxorguk.ukuu.org.uk
Cc: kernel list <linux-kernel@vger.kernel.org>
Subject: preempt & ne2k
Date: Sun, 27 Jan 2002 21:52:53 +0100 [thread overview]
Message-ID: <20020127215253.A793@elf.ucw.cz> (raw)
Hi!
> > testing the patch complaining about, AND one that seems like it could be
> > addressed by using IRQ disabling as a latency guard in addition to spinlocks.
>
> I dont believe anyone has tested the driver hard with pre-empt. Its not that
> this driver can't be fixed. Its that this is one tiny example of maybe
> thousands of other similar flaws lurking. There is no obvious automated way
> to find them either.
So.... you have shown performance problem in one driver. Maybe *bad*
performance problem, but only performance problem. There may be other
performance problems out there. And what?
Pavel
--
When do you have heart between your knees?
next reply other threads:[~2002-01-27 23:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-27 20:52 Pavel Machek [this message]
2002-01-28 20:18 ` Roger Larsson
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