Re: [Xen-devel] [PATCH 3/4] xen: Import Xen public headers used by xen-hvm.c

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On Tue, Jun 18, 2019 at 08:55:53AM +0100, Paul Durrant wrote:
> > -----Original Message-----
> > From: Anthony PERARD [mailto:anthony.perard@xxxxxxxxxx]
> > 
> > On Mon, Jun 17, 2019 at 05:45:44PM +0100, Anthony PERARD wrote:
> > > On Mon, Jun 17, 2019 at 05:15:51PM +0100, Paul Durrant wrote:
> > > > AFAICT the only place (apart from legacy code in xen_common.h) that
> > > > params.h is necessary is in xen_suspend_notifier(). I wonder whether
> > > > that would be better moved into xen_common.h too (since it's just a
> > > > wrapper round xc_set_hvm_param() and then the inclusion of params.h
> > > > can be moved there as well.
> > >
> > > :(, I didn't realised that xen_common.h needed params.h too. That patch
> > > series might not build on older version of Xen. I'll move the inclusion
> > > of params.h to xen_common.h, and fix params.h to have all the needed
> > > #defines.
> > 
> > Actually, it works fine without including hvm/params.h in xen_common.h
> > because xen_common.h includes xenctrl.h which includes hvm/params.h.
> > 
> > So I think instead I'll remove all includes of params.h, because
> > HVM_PARAM_* are parameters for xc_hvm_param_{get,set}, which is in a
> > library and not an interface with a guest. Including xenctrl.h should be
> > enough.
> 
> The guest/tools separation is messy. ioreq.h is also an interface with
> Xen and not with a guest, so really I think it should be treated the
> same way as params.h.

Yes, I'll drop this patch, and replace it with a patch that just removes
includes of params.h.

> e820.h is referring to guest memory layout,
> which IMO shouldn't really be hardcoded at all.

I'll leave e820.h include alone.

-- 
Anthony PERARD

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