Re: [PATCH v4 1/2] compiler, atomics: Provide READ_ONCE_NOKSAN()

[Paul E. McKenney]

On Fri, Oct 16, 2015 at 12:33:38PM +0200, Borislav Petkov wrote:
> On Fri, Oct 16, 2015 at 12:44:53PM +0300, Andrey Ryabinin wrote:
> > Some code may perform racy by design memory reads. This could be
> > harmless, yet such code may produce KASAN warnings.
> > 
> > To hide such accesses from KASAN this patch introduces
> > READ_ONCE_NOKSAN() macro. KASAN will not check the memory
> > accessed by READ_ONCE_NOKSAN(). The KernelThreadSanitizer (KTSAN)
> > is going to ignore it as well.
> 
> Frankly, the "NOKSAN" suffix is too specific. I know, I know, I'm
> bikeshedding but what happens if yet another tool wants to be disabled
> from checking there and that tool is not *SAN? We rename again?

Plaid, I say!!!  The color of the bikeshed must be plaid!!!  ;-)

							Thanx, Paul

> So the "NOCHECK" suffix made much more sense, even if it was generic.
> IMNSVHO.
> 
> Thanks.
> 
> -- 
> Regards/Gruss,
>     Boris.
> 
> ECO tip #101: Trim your mails when you reply.
> 

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