Re: [PATCH 2/2] Xen: Add xen-apic support and hook it up.

[Stefano Stabellini <stefano.stabellini@eu.citrix.com>]

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On Wed, 11 Apr 2012, Stefano Stabellini wrote:
> On Wed, 11 Apr 2012, Peter Maydell wrote:
> > On 5 April 2012 10:35, Wei Liu <wei.liu2@citrix.com> wrote:
> > >
> > > --- /dev/null
> > > +++ b/hw/xen_apic.c
> > > @@ -0,0 +1,90 @@
> > > +/*
> > > + * Xen basic APIC support
> > > + *
> > > + * Copyright (c) 2012 Citrix
> > > + *
> > > + * Authors:
> > > + *  Wei Liu <wei.liu2@citrix.com>
> > > + *
> > > + * This work is licensed under the terms of the GNU GPL version 2.
> > > + * See the COPYING file in the top-level directory.
> > > + */
> > 
> > Really 2-only, not 2-or-later ?
> 
> I am not a great fun of the 2-or-later clause and it doesn't look like a
> requirement from the QEMU project POV. However if it is, I'll change it
> to 2-or-later.
> 
> 
> > > +#include "hw/apic_internal.h"
> > > +#include "hw/msi.h"
> > > +#include "xen.h"
> > > +
> > > +static uint64_t xen_apic_mem_read(void *opaque, target_phys_addr_t addr,
> > > +                                  unsigned size)
> > > +{
> > > +    return -1U;
> > > +}
> > 
> > This seems a rather confusing way to write 'return 0xffffffff;'
>  
> Yep, I'll change it.

Actually it is a uint64 so it is a lot of f's