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From: Oliver Neukum <oliver@neukum.name>
To: Thunder from the hill <thunder@ngforever.de>
Subject: Re: Driverfs updates
Date: Tue, 9 Jul 2002 19:05:28 +0200
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Cc: Thunder from the hill <thunder@ngforever.de>,
       Keith Owens <kaos@ocs.com.au>, Patrick Mochel <mochel@osdl.org>,
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Am Dienstag, 9. Juli 2002 13:08 schrieb Thunder from the hill:
> Hi,
>
> On Tue, 9 Jul 2002, Oliver Neukum wrote:
> > -It is slow.
>
> I wouldn't call it any fast when I think about the idea that 31 of my
> CPUs on Hawkeye shall be stopped because I unload a module. Sometimes at
> high noon my server (Hawkeye) can hardly keep up all the traffic. Just
> imagine a module would be unloaded then! That's the problem I'm having
> with it.
>
> What should make a lock for parts of the kernel slower than a lock for
> the _whole_ kernel?

Because you unload modules rarely, but you'd take the lock millions of times
in vain.

	Regards
		Oliver

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