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Subject: Re: [PATCH] NMI request/release
From: Robert Love <rml@tech9.net>
To: Corey Minyard <cminyard@mvista.com>
Cc: John Levon <levon@movementarian.org>, linux-kernel@vger.kernel.org
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On Tue, 2002-10-22 at 09:02, Corey Minyard wrote:

> I looked, and the rcu code relys on turning off interrupts to avoid 
> preemption.  So it won't work.

At least on the variant of RCU that is in 2.5, the RCU code does the
read side by disabling preemption.  Nothing else.

The write side is the same with or without preemption - wait until all
readers are quiescent, change the copy, etc.

But anyhow, disabling interrupts should not affect NMIs, no?

	Robert Love

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