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SubjectRe: [PATCH 0/7] atomics: generate atomic headers
On Tue, Jun 05, 2018 at 02:58:23PM +0100, Mark Rutland wrote:

> Sure, it all works, it's just less than optimal as above, and also means
> that we have to duplicate the ifdeffery for optional atomics -- once in
> the instrumented atomics, then in the "real" atomics.
>
> Whereas if we filled in the raw atomics atop of the arch atomics,
> everything above that can assume the whole API is present, no ifdeffery
> required.

Aah, I see your point now. I don't think performance is a particular
concern when you enable K*SAN, but getting rid of a fair bunch of
ifdeffery is always nice.

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