Re: VMI Interface Proposal Documentation for I386, Part 4

From: Alan Cox
Date: Thu Mar 16 2006 - 13:31:48 EST


On Iau, 2006-03-16 at 07:29 -0800, Zachary Amsden wrote:
> quite easy. I would argue that the various CMOS timer update utilities
> in userspace that do this same thing, really should be moved into the
> kernel as fast as possible - they could race against other CPUs in

They were, something like 8-10 years ago. If your distributor is
shipping code that is doing cli in user space please assist in their
re-education. Several ship code which can fall back if the nvram or rtc
driver is missing but thats compat code.

> Good to know. I thought some piece of xinit still used it to do
> dot-clock probing - but I could be wrong.

It does, but it doesn't disable interrupts. You don't need to.

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