On Tue, Oct 02, 2018 at 04:17:25PM +0400, [email protected] wrote: > From: Marc-André Lureau <[email protected]> > > 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 <[email protected]> > Cc: Laszlo Ersek <[email protected]> > Cc: Ard Biesheuvel <[email protected]> > Cc: Anthony Perard <[email protected]> > Cc: Julien Grall <[email protected]> > Contributed-under: TianoCore Contribution Agreement 1.1 > Signed-off-by: Marc-André Lureau <[email protected]>
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 <[email protected]> Thanks, -- Anthony PERARD _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
