On 10/02/18 15:27, Anthony PERARD wrote: > 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 a lot! Laszlo _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel