On Wed, Jan 17, 2018 at 12:00:41PM +0000, Roger Pau Monne wrote: > Since PVH guest jump straight into trampoline_setup trampoline_phys is > not initialized, thus the trampoline is relocated to address 0. > > This works, but has the undesirable effect of having VA 0 mapped to > MFN 0, which means NULL pointed dereferences no longer trigger a page > fault. > > In order to solve this, place the trampoline at page 0x1 and reserve > the memory used by it. > > Signed-off-by: Roger Pau Monné <roger....@citrix.com>
Reviewed-by: Wei Liu <wei.l...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
