Subject: Re: [PATCH] KVM: PPC: Book3S HV: POWER9 more doorbell fixes

From: Nicholas Piggin <[email-masked]>
Date: Tue, 10 Oct 2017 22:04:51 +1000

On Tue, 10 Oct 2017 20:18:28 +1000
Nicholas Piggin <[email-masked]> wrote:

> - Add another case where msgsync is required.
> - Required barrier sequence for global doorbells is msgsync ; lwsync
> - POWER9 DD1 has a different barrier sequence that we don't implement,
>   so remove

This last item was not included in the patch, it slipped past.
I think the changelog can just be changed to remove it.

Fixing up DD1 should be a different patch if we want to bother
with it. Guess either we add the darn sequence for msgsync, or
add support for xive IPIs?

Thanks,
Nick