RE: [PATCH v5 00/18] Rework READ_ONCE() to improve codegen

[David Laight]

From: Peter Zijlstra
> Sent: 14 May 2020 15:25
..
> Exact same requirements, KASAN even has the data_race() problem through
> READ_ONCE_NOCHECK(), UBSAN doesn't and might be simpler because of it.

What happens if you implement READ_ONCE_NOCHECK() with an
asm() statement containing a memory load?

Is that enough to kill all the instrumentation?

	David

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