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SubjectRe: [PATCH v2 0/5] x86/percpu semantics and fixes
Date
> On Jun 13, 2019, at 6:54 AM, Peter Zijlstra <peterz@infradead.org> wrote:
>
> Hi all,
>
> I still have these patches sitting in my queue and figured I'd repost them.
>
> Last time Linus proposed a "+m" alternative approach, but that generates far
> far worse code (I've lost the patch and not re-ran those numbers, but I suppose
> I can redo if found important).

I remember I tried it as well and got the same results.

> These patches have been through 0day for a while.

Finally, I would not need to cache smp_processor_id() on the stack when it
is used multiple times…
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