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SubjectRe: x86 ptep_get_and_clear question
Manfred Spraul wrote:
> A very simple test might be
>
> cpu 1:
> cpu 2:

Ben's test uses only one CPU.

> Now start with variants:
> change to read only instead of not present
> a and b in the same way of the tlb, in a different way.
> change pte with write, change with lock;
> .
> .
> .
>
> But you'll never prove that you tested every combination.

Indeed.

-- Jamie
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