On Sat, 07 Jan 2023 01:10:19 +0000, Sean Christopherson wrote:
> Fixes for edge cases where KVM mishandles reserved bits/regs checks when
> the vCPU is in x2APIC mode.
>
> The first two patches were previously posted[*], but both patches were
> broken (as posted against upstream), hence I took full credit for doing
> the work and changed Marc to a reporter.
>
> [...]
Applied to kvm-x86 apic, thanks past me!
[1/6] KVM: x86: Inject #GP if WRMSR sets reserved bits in APIC Self-IPI
https://github.com/kvm-x86/linux/commit/aeee623ea411
[2/6] KVM: x86: Inject #GP on x2APIC WRMSR that sets reserved bits 63:32
https://github.com/kvm-x86/linux/commit/a927a2508121
[3/6] KVM: x86: Mark x2APIC DFR reg as non-existent for x2APIC
https://github.com/kvm-x86/linux/commit/6d4719e1b5a2
[4/6] KVM: x86: Split out logic to generate "readable" APIC regs mask to helper
https://github.com/kvm-x86/linux/commit/1088d5e5cf70
[5/6] KVM: VMX: Always intercept accesses to unsupported "extended" x2APIC regs
https://github.com/kvm-x86/linux/commit/cbb3f75487a9
[6/6] KVM: VMX: Intercept reads to invalid and write-only x2APIC registers
https://github.com/kvm-x86/linux/commit/7b205379c53d
--
https://github.com/kvm-x86/linux/tree/next
https://github.com/kvm-x86/linux/tree/fixes
