Messages in this thread | | | From | "Huang, Kai" <> | Subject | Re: [PATCH v13 09/35] KVM: Add KVM_EXIT_MEMORY_FAULT exit to report faults to userspace | Date | Thu, 2 Nov 2023 18:35:20 +0000 |
| |
On Thu, 2023-11-02 at 08:44 -0700, Sean Christopherson wrote: > On Thu, Nov 02, 2023, Paolo Bonzini wrote: > > On 11/2/23 10:35, Huang, Kai wrote: > > > IIUC KVM can already handle the case of poisoned > > > page by sending signal to user app: > > > > > > static int kvm_handle_error_pfn(struct kvm_vcpu *vcpu, struct > > > kvm_page_fault *fault) { > > > ... > > > > > > if (fault->pfn == KVM_PFN_ERR_HWPOISON) { > > > kvm_send_hwpoison_signal(fault->slot, fault->gfn); > > No, this doesn't work, because that signals the host virtual address
Ah, right :-)
| |