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

[Marco Elver]

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,
-- Marco