Re: [Xen-devel] [PATCH v1 0/8]: PVH (PV guest with extensions)

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2012-10-03 at 23:26 +0100, Mukesh Rathor wrote:
> On Wed, 3 Oct 2012 11:24:04 +0100
> Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> 
> > On Tue, 2012-10-02 at 19:55 +0100, Mukesh Rathor wrote:
> > > On Tue, 2 Oct 2012 09:09:11 -0400
> > > Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:
> > > 
>  > > 
> > > > > Strange, adding following to head.S
> > > > > 
> > > > >         ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET,   _ASM_PTR 0)
> > > > >         ELFNOTE(Xen, XEN_ELFNOTE_GUEST_PVH, .long 1)  <--------
> > > > > 
> > > > > and xenstore won't start in dom0. What gives?
> > > > 
> > > > What is XEN_ELFNOTE_GUEST_PVH number? You might be re-using a
> > > > value that is defined for a different purpose? Did you check the
> > > > Xen hypervisor header files?
> > > 
> > > Ah, right. I was looking at linux header file, which is behind xen.
> > 
> > Phew!
> > 
> > You are going to add the other features which PVH uses too, right?
> > 
> > Ian.
> > 
> 
> Sorry, confused. Not very familiar with this. You mean, something like:
> 
>         ELFNOTE(Xen, XEN_ELFNOTE_GUEST_PVH,      .long 1)
>         ELFNOTE(Xen, XEN_ELFNOTE_PVH_FEATURES,  .asciz 
> "writable_page_tables|auto_translated_physmap|supervisor_mode_kernel|hvm_callback_vector")
> 
> Something like this?

Nearly, I meant to add them to the existing features note.

I just replied to the previous mail with some more detail.

Ian.


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