Re: [PATCH] xen: Don't try to call xen_alloc_p2m_entry() on autotranslating guests

[Juergen Gross]

On 24/08/17 00:27, Boris Ostrovsky wrote:
> Commit aba831a69632 ("xen: remove tests for pvh mode in pure pv paths")
> removed XENFEAT_auto_translated_physmap test in xen_alloc_p2m_entry()
> since it is assumed that the routine is never called by non-PV guests.
> 
> However, alloc_xenballooned_pages() may make this call on a PVH guest.
> Prevent this from happening by adding XENFEAT_auto_translated_physmap
> check there.
> 
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> Fixes: aba831a69632 ("xen: remove tests for pvh mode in pure pv paths")

Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Thanks,

Juergen