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

Dmitry Vyukov
2017-03-28T16:30:09Z

On Tue, Mar 28, 2017 at 12:15 PM, Ingo Molnar <mingo@kernel.org> wrote:
>
> * 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?

Mailed the whole series.

>> 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