On 03/05/19 12:08, Kai Huang wrote: > This series fix reserved bits related calculation errors caused by MKTME. MKTME > repurposes high bits of physical address bits as 'keyID' thus they are not > reserved bits, and to honor such HW behavior those reduced bits are taken away > from boot_cpu_data.x86_phys_bits when MKTME is detected (exactly how many bits > are taken away is configured by BIOS). Currently KVM asssumes bits from > boot_cpu_data.x86_phys_bits to 51 are reserved bits, which is not true anymore > with MKTME, and needs fix. > > This series was splitted from the old patch I sent out around 2 weeks ago: > > kvm: x86: Fix several SPTE mask calculation errors caused by MKTME > > Changes to old patch: > > - splitted one patch into two patches. First patch is to move > kvm_set_mmio_spte_mask() as prerequisite. It doesn't impact functionality. > Patch 2 does the real fix. > > - renamed shadow_first_rsvd_bits to shadow_phys_bits suggested by Sean. > > - refined comments and commit msg to be more concise. > > Btw sorry that I will be out next week and won't be able to reply email. > > Kai Huang (2): > kvm: x86: Move kvm_set_mmio_spte_mask() from x86.c to mmu.c > kvm: x86: Fix reserved bits related calculation errors caused by MKTME > > arch/x86/kvm/mmu.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++---- > arch/x86/kvm/x86.c | 31 --------------------------- > 2 files changed, 57 insertions(+), 35 deletions(-) > Queued, thanks. Paolo
