On Tue, Jun 22, 2021 at 04:39:30PM +0100, Andrew Cooper wrote: > This reverts commit aad7b5c11d51d57659978e04702ac970906894e8. > > The change from OvmfX64 to OvmfXen causes a change in behaviour, whereby > OvmfXen maps its shared info page at the top of address space. When trying to > migrate such a domain, XENMEM_maximum_gpfn returns a very large value. This > has uncovered multiple issues: > > 1) The userspace hypercall wrappers truncate all return values to int on > Linux and Solaris. This needs fixing in Xen. > 2) 32bit toolstacks can't migrate any domain with RAM above the 2^40 mark, > because of virtual address constraints. This needs fixing in OVMF. > > Fixes for both of these aren't completely trivial. Revert the change to > unblock staging in the meantime. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
Acked-by: Anthony PERARD <anthony.per...@citrix.com> Thanks, -- Anthony PERARD
