On 7/23/20 5:09 PM, Herbert Xu wrote:
> On Thu, Jul 23, 2020 at 03:32:05PM -0700, Eric Dumazet wrote:
>>
>> Thanks for the report/analysis.
>
> Thanks indeed.
>
>> READ_ONCE() should help here, can you test/submit an official patch ?
>
> This is basically a hand-rolled RCU access. So we should instead
> use proper RCU operators if possible. Let me see what I can do.
Sure, but __rht_ptr() is used with different RCU checks,
I guess a that adding these lockdep conditions will make
a patch more invasive.
