Re: [Qemu-ppc] [PATCH v5 05/36] ppc/xive: introduce the XIVE Event Notification Descriptors

[Benjamin Herrenschmidt]

On Thu, 2018-11-22 at 15:41 +1100, David Gibson wrote:
> 
> > +void xive_end_reset(XiveEND *end)
> > +{
> > +    memset(end, 0, sizeof(*end));
> > +
> > +    /* switch off the escalation and notification ESBs */
> > +    end->w1 = END_W1_ESe_Q | END_W1_ESn_Q;
> 
> It's not obvious to me what circumstances this would be called under.
> Since the ENDs are in system memory, a memset() seems like an odd
> thing for (virtual) hardware to be doing to it.
> 
> > +}

Not on PAPR ...

Ben.