Quoting r. Roland Dreier <[EMAIL PROTECTED]>:
> Subject: Re: userspace doorbells
>
> Michael> Roland, I see you have made the doorbell page volatile.
> Michael> This makes sence, and must be enough on x86_64, but for
> Michael> this to work on PPC, wont you still need to insert a
>
Michael> Roland, I see you have made the doorbell page volatile.
Michael> This makes sence, and must be enough on x86_64, but for
Michael> this to work on PPC, wont you still need to insert a
Michael> write memory barrier, to guard against the CPU
Michael> re-ordering writes to
