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SubjectRe: Using %cr2 to reference "current"
In article <>,
Alan Cox <> wrote:
>It may be. Likewise its not clear if %cr2 should hold current or a cpu ident
>pointer (so you dont reload on switch of task). This needs more
>benchmarking. Its in current -ac to verify the theory is correct not the

We pretty much know the _theory_ is not correct, just by virtue of
depending on non-architected behaviour. The only thing -ac can do is
test whether it works in practice. Which is a totally different thing.

Especially on x86 chips.

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