TODO: The return value of this function is ignored in kvm_arch_async_page_ready. Make sure that the side effects of memory_fault_exit_or_efault are acceptable there. --- arch/x86/kvm/mmu/mmu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index c8ebe542c565f..0b02e2c360c08 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -3193,7 +3193,10 @@ static int direct_map(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault) } if (WARN_ON_ONCE(it.level != fault->goal_level)) - return -EFAULT; + return kvm_memfault_exit_or_efault( + vcpu, fault->gfn * PAGE_SIZE, + KVM_PAGES_PER_HPAGE(fault->goal_level), + KVM_MEMFAULT_REASON_UNKNOWN); ret = mmu_set_spte(vcpu, fault->slot, it.sptep, ACC_ALL, base_gfn, fault->pfn, fault); -- 2.40.0.rc1.284.g88254d51c5-goog
