diff options
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 3 | ||||
| -rw-r--r-- | arch/x86/kvm/mmu.c | 18 | ||||
| -rw-r--r-- | arch/x86/kvm/paging_tmpl.h | 4 |
3 files changed, 13 insertions, 12 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index d968cc501799..aa1518d794cc 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -241,7 +241,8 @@ struct kvm_mmu { void (*new_cr3)(struct kvm_vcpu *vcpu); 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, bool no_apf); + int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err, + bool prefault); void (*inject_page_fault)(struct kvm_vcpu *vcpu, struct x86_exception *fault); void (*free)(struct kvm_vcpu *vcpu); diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 482a5c0c48db..83d45cf0a61c 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2284,11 +2284,11 @@ static int kvm_handle_bad_page(struct kvm *kvm, gfn_t gfn, pfn_t pfn) return 1; } -static bool try_async_pf(struct kvm_vcpu *vcpu, bool no_apf, gfn_t gfn, +static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn, gva_t gva, pfn_t *pfn, bool write, bool *writable); static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn, - bool no_apf) + bool prefault) { int r; int level; @@ -2310,7 +2310,7 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn, mmu_seq = vcpu->kvm->mmu_notifier_seq; smp_rmb(); - if (try_async_pf(vcpu, no_apf, gfn, v, &pfn, write, &map_writable)) + if (try_async_pf(vcpu, prefault, gfn, v, &pfn, write, &map_writable)) return 0; /* mmio */ @@ -2584,7 +2584,7 @@ static gpa_t nonpaging_gva_to_gpa_nested(struct kvm_vcpu *vcpu, gva_t vaddr, } static int nonpaging_page_fault(struct kvm_vcpu *vcpu, gva_t gva, - u32 error_code, bool no_apf) + u32 error_code, bool prefault) { gfn_t gfn; int r; @@ -2600,7 +2600,7 @@ static int nonpaging_page_fault(struct kvm_vcpu *vcpu, gva_t gva, gfn = gva >> PAGE_SHIFT; return nonpaging_map(vcpu, gva & PAGE_MASK, - error_code & PFERR_WRITE_MASK, gfn, no_apf); + error_code & PFERR_WRITE_MASK, gfn, prefault); } static int kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn) @@ -2622,7 +2622,7 @@ static bool can_do_async_pf(struct kvm_vcpu *vcpu) return kvm_x86_ops->interrupt_allowed(vcpu); } -static bool try_async_pf(struct kvm_vcpu *vcpu, bool no_apf, gfn_t gfn, +static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn, gva_t gva, pfn_t *pfn, bool write, bool *writable) { bool async; @@ -2634,7 +2634,7 @@ static bool try_async_pf(struct kvm_vcpu *vcpu, bool no_apf, gfn_t gfn, put_page(pfn_to_page(*pfn)); - if (!no_apf && can_do_async_pf(vcpu)) { + if (!prefault && can_do_async_pf(vcpu)) { trace_kvm_try_async_get_page(gva, gfn); if (kvm_find_async_pf_gfn(vcpu, gfn)) { trace_kvm_async_pf_doublefault(gva, gfn); @@ -2650,7 +2650,7 @@ static bool try_async_pf(struct kvm_vcpu *vcpu, bool no_apf, gfn_t gfn, } static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, u32 error_code, - bool no_apf) + bool prefault) { pfn_t pfn; int r; @@ -2674,7 +2674,7 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, u32 error_code, mmu_seq = vcpu->kvm->mmu_notifier_seq; smp_rmb(); - if (try_async_pf(vcpu, no_apf, gfn, gpa, &pfn, write, &map_writable)) + if (try_async_pf(vcpu, prefault, gfn, gpa, &pfn, write, &map_writable)) return 0; /* mmio */ diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index d5a0a11d33a1..52b3e91918c6 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -539,7 +539,7 @@ out_gpte_changed: * a negative value on error. */ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, u32 error_code, - bool no_apf) + bool prefault) { int write_fault = error_code & PFERR_WRITE_MASK; int user_fault = error_code & PFERR_USER_MASK; @@ -581,7 +581,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, u32 error_code, mmu_seq = vcpu->kvm->mmu_notifier_seq; smp_rmb(); - if (try_async_pf(vcpu, no_apf, walker.gfn, addr, &pfn, write_fault, + if (try_async_pf(vcpu, prefault, walker.gfn, addr, &pfn, write_fault, &map_writable)) return 0; |