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

[Ingo Molnar]

* Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> wrote:

> On 10/16/2015 01:33 PM, 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?
> > 
> > So the "NOCHECK" suffix made much more sense, even if it was generic.
> > IMNSVHO.
> > 
> 
> Sounds reasonable.
> Ingo, what do you think?

Fine with me too.

Thanks,

	Ingo
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