From: Joerg Roedel <[email protected]> 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 <[email protected]> Signed-off-by: Avi Kivity <[email protected]> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index ab708ee..3fefcd8 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -239,6 +239,9 @@ struct kvm_mmu { void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long root); unsigned long (*get_cr3)(struct kvm_vcpu *vcpu); int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err); + void (*inject_page_fault)(struct kvm_vcpu *vcpu, + unsigned long addr, + u32 error_code); void (*free)(struct kvm_vcpu *vcpu); gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva, u32 access, u32 *error); 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 @@ static void inject_page_fault(struct kvm_vcpu *vcpu, 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 @@ static int init_kvm_tdp_mmu(struct kvm_vcpu *vcpu) 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 @@ static int init_kvm_softmmu(struct kvm_vcpu *vcpu) 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; } -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
