[PATCH v3 0/5] arm64: vdso: getcpu() support

[Mark Brown]

On Tue, Sep 01, 2020 at 10:25:52AM +0100, Catalin Marinas wrote:

> Thanks Shuah for the ack. We are still pondering whether the merge these
> patches as they have some limitations (the per-CPU data structures may
> not fit in the sole data vDSO page).

They definitely don't fit, I did have some half-written proof of concept
patches that I posted that extend this but I was waiting to see if there
was any interest in a vDSO getcpu() at all before taking it further.
Vincenzo's work on doing the multipage user data that he announced at
Plumbers would cover it as well, I hadn't been aware of that.
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