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Date: Wed, 14 Aug 2002 12:10:34 +0200 (CEST)
From: Jos Hulzink <josh@stack.nl>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>,
       linux-kernel <linux-kernel@vger.kernel.org>,
       Matt Dobson <colpatch@us.ibm.com>
Subject: Re: [PATCH] NUMA-Q disable irqbalance
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Message-ID: <20020814115944.Q22573-100000@toad.stack.nl>
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On Tue, 13 Aug 2002, Linus Torvalds wrote:

> There are tons of reasons to run the same kernel on a multitude of
> machines, even ignoring the issue of things like installers etc.
>
> We had this CONFIG_xxxx disease when it came to SSE, we had it when it
> came to TSC, etc. And in every case it ended up being bad, simply because
> it's not the right interface for _users_.

True, but the nice thing about the linux kernel is that every little
detail can be modified as you like. I think it is very important to answer
the question what skills a person that wants to compile a kernel needs. If
you want to lower the threshold, this sure is an config option that
shouldn't be there.

Maybe the config system should provide an expert-mode to tweak stuff like
this, and enable / disable the irq balancing by default according to the
processor type selected.

Jos

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