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

[Thomas Gleixner]

Peter Zijlstra <peterz@xxxxxxxxxxxxx> writes:
> On Thu, May 14, 2020 at 03:35:58PM +0200, Marco Elver wrote:
>> Any preferences?
>
> I suppose DTRT, if we then write the Makefile rule like:
>
> KCSAN_SANITIZE := KCSAN_FUNCTION_ATTRIBUTES
>
> and set that to either 'y'/'n' depending on the compiler at hand
> supporting enough magic to make it all work.
>
> I suppose all the sanitize stuff is most important for developers and
> we tend to have the latest compiler versions anyway, right?

Developers and CI/testing stuff. Yes we really should require a sane
compiler instead of introducing boatloads of horrible workarounds all
over the place which then break when the code changes slightly.

Thanks,

        tglx