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KVM: nVMX: add CR4_LA57 bit to nested CR4_FIXED1
authorChenyi Qiang <chenyi.qiang@intel.com>
Tue, 19 Nov 2019 08:33:59 +0000 (16:33 +0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Wed, 20 Nov 2019 13:23:26 +0000 (14:23 +0100)
commit1c351988b31679eb55ac849303af5a2b3d6c3f07
treebbe07217e4fd4e4af1a11b0b64f93de950687594tree | snapshot
parent765d10f22e72df3709a5ca5bd6de75dd42454820commit | diff
KVM: nVMX: add CR4_LA57 bit to nested CR4_FIXED1

When L1 guest uses 5-level paging, it fails vm-entry to L2 due to
invalid host-state. It needs to add CR4_LA57 bit to nested CR4_FIXED1
MSR.

Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/vmx/vmx.c diff | blob | history
Linux Kernel Source Tree.