On Tue, Oct 02, 2018 at 04:17:25PM +0400, marcandre.lur...@redhat.com wrote: > From: Marc-André Lureau <marcandre.lur...@redhat.com> > > This is for conformance with the TCG "Platform Reset Attack Mitigation > Specification". Because clearing the CPU caches at boot doesn't impact > performance significantly, do it unconditionally, for simplicity's > sake. > > Flush the cache on all logical processors, thanks to > EFI_PEI_MP_SERVICES_PPI and CacheMaintenanceLib. > > Cc: Jordan Justen <jordan.l.jus...@intel.com> > Cc: Laszlo Ersek <ler...@redhat.com> > Cc: Ard Biesheuvel <ard.biesheu...@linaro.org> > Cc: Anthony Perard <anthony.per...@citrix.com> > Cc: Julien Grall <julien.gr...@linaro.org> > Contributed-under: TianoCore Contribution Agreement 1.1 > Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
That patch works for me on Xen. I can still boot guests with the patch applied, with either 1 or 4 vcpus assigned to the guest: Tested-by: Anthony PERARD <anthony.per...@citrix.com> Thanks, -- Anthony PERARD _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
