Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops

Rene Herman
2007-12-11T16:51:48Z

On 11-12-07 17:30, Andi Kleen wrote:

> Anyways it looks like the discussion here is going in a
> a loop. I had hoped David would post his test results with
> another port so that we know for sure that the bus aborts
> (and not port 80) is the problem on his box. But it looks like
> he doesn't want to do this. Still removing the bus aborts
> is probably the correct way to go forward.

Yes, I do also still want to know that. David (Reed)?

> Only needs a patch now. If nobody beats me to it i'll
> add one later to my tree.

Pavel Machek already posted one. His udelay(8) wants to be less -- 1 or "to
be safe" perhaps 2.

http://lkml.org/lkml/2007/12/9/131

Rene.