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SubjectRe: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
Which port do you want me to test?  Also, I can run the timing test on 
my machine if you share the source code so I can build it.

Rene Herman wrote:
> 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.
>


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