On Fri, Feb 14, 2020 at 01:56:48PM -0800, Jim Mattson wrote: > On Fri, Feb 14, 2020 at 1:47 PM Chia-I Wu <olvaffe@xxxxxxxxx> wrote: > > AFAICT, it is currently allowed on ARM (verified) and AMD (not > > verified, but svm_get_mt_mask returns 0 which supposedly means the NPT > > does not restrict what the guest PAT can do). This diff would do the > > trick for Intel without needing any uapi change: > > I would be concerned about Intel CPU errata such as SKX40 and SKX59. The part KVM cares about, #MC, is already addressed by forcing UC for MMIO. The data corruption issue is on the guest kernel to correctly use WC and/or non-temporal writes. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
