Commit f82fdaf5 authored by Sean Christopherson's avatar Sean Christopherson Committed by Paolo Bonzini
Browse files

KVM: x86/mmu: Drop redundant rsvd bits reset for nested NPT 



Drop the extra reset of shadow_zero_bits in the nested NPT flow now
that shadow_mmu_init_context computes the correct level for nested NPT.

No functional change intended.

Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Message-Id: <20210622175739.3610207-52-seanjc@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 7cd138db

arch/x86/kvm/mmu/mmu.c

+0 −6
Original line number Diff line number Diff line
@@ -4693,12 +4693,6 @@ void kvm_init_shadow_npt_mmu(struct kvm_vcpu *vcpu, unsigned long cr0, 
	__kvm_mmu_new_pgd(vcpu, nested_cr3, new_role.base);



	shadow_mmu_init_context(vcpu, context, &regs, new_role);



	/*

	 * Redo the shadow bits, the reset done by shadow_mmu_init_context()

	 * (above) may use the wrong shadow_root_level.

	 */

	reset_shadow_zero_bits_mask(vcpu, context);

}

EXPORT_SYMBOL_GPL(kvm_init_shadow_npt_mmu);