Re: [PATCH 2/2] objtool, kcsan: Add volatile read/write instrumentation to whitelist

[Boqun Feng]

On Wed, Sep 07, 2022 at 07:43:32PM +0200, Marco Elver wrote:
> On Wed, 7 Sept 2022 at 19:42, Boqun Feng <boqun.feng@xxxxxxxxx> wrote:
> >
> > On Wed, Sep 07, 2022 at 07:39:03PM +0200, Marco Elver wrote:
> > > Adds KCSAN's volatile barrier instrumentation to objtool's uaccess
> >
> > Confused. Are things like "__tsan_volatile_read4" considered as
> > "barrier" for KCSAN?
> 
> No, it's what's emitted for READ_ONCE() and WRITE_ONCE().
> 

Thanks for clarification, then I guess better to remove the word
"barrier" in the commit log?

Regards,
Boqun

> Thanks,
> -- Marco