Re: perf events ring buffer memory barrier on powerpc
From
Victor Kaplansky <>
Date
Mon, 28 Oct 2013 22:58:58 +0200
Oleg Nesterov <oleg@redhat.com> wrote on 10/28/2013 10:17:35 PM:
> mb(); // XXXXXXXX: do we really need it? I think yes.
Oh, it is hard to argue with feelings. Also, it is easy to be on conservative side and put the barrier here just in case. But I still insist that the barrier is redundant in your example.