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KVM: x86: document limitations of MSR filtering
authorPaolo Bonzini <pbonzini@redhat.com>
Tue, 15 Mar 2022 22:17:15 +0000 (18:17 -0400)
committerPaolo Bonzini <pbonzini@redhat.com>
Sat, 2 Apr 2022 09:34:47 +0000 (05:34 -0400)
commitce2f72e26c1a352f5f2d1cda19bcafeff6c3b4fc
tree7be9dc75f3fdd933b1279eaf41d96cf88eab42f7tree | snapshot
parentac8d6cad3c7b39633d5899dc2fa9abec7135e83ecommit | diff
KVM: x86: document limitations of MSR filtering

MSR filtering requires an exit to userspace that is hard to implement and
would be very slow in the case of nested VMX vmexit and vmentry MSR
accesses.  Document the limitation.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Documentation/virt/kvm/api.rst diff | blob | history
Domain: System / Kernel;