On Fri, 23 Feb 2024 12:21:01 -0800, Sean Christopherson wrote: > Clean up VMX's MSR passthrough code, in particular the portion that deals with > userspace MSR filters (KVM needs to force interception if userspace wants to > intercept even if KVM wants to passthrough). As pointed out by Dongli, KVM > does a linear walk twice in quick succession, which is wasteful, confuing, and > unnecessarily brittle. > > Same exact idea as Dongli's v1[*], just a different approach to cleaning up the > API for dealing with MSR filters. > > [...] Applied to kvm-x86 vmx, with Dongli's suggested comment indentation fixup. Thanks! [1/3] KVM: VMX: fix comment to add LBR to passthrough MSRs https://github.com/kvm-x86/linux/commit/8e24eeedfda3 [2/3] KVM: VMX: return early if msr_bitmap is not supported https://github.com/kvm-x86/linux/commit/bab22040d7fd [3/3] KVM: VMX: Combine "check" and "get" APIs for passthrough MSR lookups https://github.com/kvm-x86/linux/commit/259720c37d51 -- https://github.com/kvm-x86/linux/tree/next