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authorSean Christopherson <seanjc@google.com>2022-03-03 20:20:17 -0800
committerPaolo Bonzini <pbonzini@redhat.com>2022-04-29 12:49:49 -0400
commit6819af7597d87d40769b47bb377472877a6b56c0 (patch)
treeb374084b3096f02be7755060ce7cdd5debd3eefd /tools/perf/scripts/python/export-to-postgresql.py
parent25cc05652cd6be7349c84abbea3886b5483330cd (diff)
KVM: x86: Clean up and document nested #PF workaround
Replace the per-vendor hack-a-fix for KVM's #PF => #PF => #DF workaround with an explicit, common workaround in kvm_inject_emulated_page_fault(). Aside from being a hack, the current approach is brittle and incomplete, e.g. nSVM's KVM_SET_NESTED_STATE fails to set ->inject_page_fault(), and nVMX fails to apply the workaround when VMX is intercepting #PF due to allow_smaller_maxphyaddr=1. Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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