KVM: MMU: Introduce inject_page_fault function pointer
This patch introduces an inject_page_fault function pointer
into struct kvm_mmu which will be used to inject a page
fault. This will be used later when Nested Nested Paging is
implemented.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index e4a7de4..a751dfc 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2571,7 +2571,7 @@
u64 addr,
u32 err_code)
{
- kvm_inject_page_fault(vcpu, addr, err_code);
+ vcpu->arch.mmu.inject_page_fault(vcpu, addr, err_code);
}
static void paging_free(struct kvm_vcpu *vcpu)
@@ -2721,6 +2721,7 @@
context->direct_map = true;
context->set_cr3 = kvm_x86_ops->set_tdp_cr3;
context->get_cr3 = get_cr3;
+ context->inject_page_fault = kvm_inject_page_fault;
if (!is_paging(vcpu)) {
context->gva_to_gpa = nonpaging_gva_to_gpa;
@@ -2762,6 +2763,7 @@
vcpu->arch.mmu.base_role.cr0_wp = is_write_protection(vcpu);
vcpu->arch.mmu.set_cr3 = kvm_x86_ops->set_cr3;
vcpu->arch.mmu.get_cr3 = get_cr3;
+ vcpu->arch.mmu.inject_page_fault = kvm_inject_page_fault;
return r;
}