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authorPaolo Bonzini <pbonzini@redhat.com>2026-04-08 11:42:04 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2026-05-10 14:52:57 +0200
commitf603854a1b42486ae6303675fcb47377c1396c80 (patch)
tree4b5e4a8bd791d21ec9cf2044c9e16249e5f2fb73 /tools/perf/scripts/python/bin
parent2e111d932d1d7d5bbe2ecb5f0557a81281527cb7 (diff)
KVM: x86/mmu: move cr4_smep to base role
Guest page tables can be reused independent of the value of CR4.SMEP (at least if WP=1). However, this is not true of EPT MBEC pages, because presence of EPT entries is signaled by bits 0-2 when MBEC is off, and bits 0-2 + bit 10 when MBEC is on. In preparation for enabling MBEC, move cr4_smep to the base role. This makes the smep_andnot_wp bit redundant, so remove it. Tested-by: David Riley <d.riley@proxmox.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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