Re: [PATCH 2/3] asm-generic, x86: wrap atomic operations

Ingo Molnar
2017-03-28T10:16:22Z

* Dmitry Vyukov <dvyukov@google.com> wrote:

> > So I'm not convinced that it's true in this case.
> >
> > Could we see the C version and compare? I could be wrong about it all.
>
> Here it is (without instrumentation):
> https://gist.github.com/dvyukov/e33d580f701019e0cd99429054ff1f9a

Could you please include the full patch so that it can be discussed via email and
such?

> Instrumentation will add for each function:
>
> static __always_inline void atomic64_set(atomic64_t *v, long long i)
> {
> + kasan_check_write(v, sizeof(*v));
> arch_atomic64_set(v, i);
> }

That in itself looks sensible and readable.

Thanks,

Ingo