There is no function named kvm_mmu_ensure_valid_pgd. Fix the comment and remove the pair of braces to conform to Linux kernel coding style. Signed-off-by: Wei Liu <wei.liu@xxxxxxxxxx> --- arch/x86/kvm/mmu/mmu.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index b6f96d47e596..361574124fbe 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -4452,10 +4452,12 @@ void kvm_mmu_new_pgd(struct kvm_vcpu *vcpu, gpa_t new_pgd) struct kvm_mmu *mmu = vcpu->arch.mmu; union kvm_mmu_page_role new_role = mmu->root_role; - if (!fast_pgd_switch(vcpu->kvm, mmu, new_pgd, new_role)) { - /* kvm_mmu_ensure_valid_pgd will set up a new root. */ + /* + * Return immediately if no usable root is found. A new root will be + * set up in vcpu_enter_guest prior to the next vmenter. + */ + if (!fast_pgd_switch(vcpu->kvm, mmu, new_pgd, new_role)) return; - } /* * It's possible that the cached previous root page is obsolete because -- 2.35.1