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

[Marco Elver]

On Thu, 14 May 2020 at 14:27, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> On Thu, May 14, 2020 at 01:01:04PM +0100, Will Deacon wrote:
>
> > > +#if __has_feature(undefined_sanitizer)
> >
> > Hmm, this might want to be __has_feature(undefined_behavior_sanitizer)
> > (and damn is that hard for a Brit to type out!)
>
> (I know right, it should be behaviour, dammit!)
>
> I tried without the condition, eg.:
>
> +#define __no_sanitize_undefined \
> +               __attribute__((no_sanitize("undefined")))
>
> and it still generated UBSAN gunk.

Which ubsan calls are left? I'm trying to reproduce.

Thanks,
-- Marco