Re: [PATCH 2/5] sched: convert signal_struct.sigcnt to refcount_t

[Oleg Nesterov]

On 01/18, Elena Reshetova wrote:
>
> For the signal_struct.sigcnt it might make a difference
> in following places:
>  - put_signal_struct(): decrement in refcount_dec_and_test() only
>    provides RELEASE ordering and control dependency on success
>    vs. fully ordered atomic counterpart

this is fine.

Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>