From: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx> It is never used. Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx> --- arch/x86/kvm/mmu/mmu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 8f0035517450..e1fe8af874ef 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -5501,6 +5501,10 @@ static int __kvm_mmu_create(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu) for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++) mmu->prev_roots[i] = KVM_MMU_ROOT_INFO_INVALID; + /* vcpu->arch.guest_mmu isn't used when !tdp_enabled. */ + if (!tdp_enabled && mmu == &vcpu->arch.guest_mmu) + return 0; + /* * When using PAE paging, the four PDPTEs are treated as 'root' pages, * while the PDP table is a per-vCPU construct that's allocated at MMU -- 2.19.1.6.gb485710b
