KVM: x86: extend usage of RET_MMIO_PF_* constants
The x86 MMU if full of code that returns 0 and 1 for retry/emulate. Use
the existing RET_MMIO_PF_RETRY/RET_MMIO_PF_EMULATE enum, renaming it to
drop the MMIO part.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index f18d1f8..5abae72 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -593,7 +593,7 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
struct kvm_mmu_page *sp = NULL;
struct kvm_shadow_walk_iterator it;
unsigned direct_access, access = gw->pt_access;
- int top_level, emulate;
+ int top_level, ret;
direct_access = gw->pte_access;
@@ -659,15 +659,15 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
}
clear_sp_write_flooding_count(it.sptep);
- emulate = mmu_set_spte(vcpu, it.sptep, gw->pte_access, write_fault,
- it.level, gw->gfn, pfn, prefault, map_writable);
+ ret = mmu_set_spte(vcpu, it.sptep, gw->pte_access, write_fault,
+ it.level, gw->gfn, pfn, prefault, map_writable);
FNAME(pte_prefetch)(vcpu, gw, it.sptep);
- return emulate;
+ return ret;
out_gpte_changed:
kvm_release_pfn_clean(pfn);
- return 0;
+ return RET_PF_RETRY;
}
/*
@@ -762,12 +762,12 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, u32 error_code,
if (!prefault)
inject_page_fault(vcpu, &walker.fault);
- return 0;
+ return RET_PF_RETRY;
}
if (page_fault_handle_page_track(vcpu, error_code, walker.gfn)) {
shadow_page_table_clear_flood(vcpu, addr);
- return 1;
+ return RET_PF_EMULATE;
}
vcpu->arch.write_fault_to_shadow_pgtable = false;
@@ -789,7 +789,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, u32 error_code,
if (try_async_pf(vcpu, prefault, walker.gfn, addr, &pfn, write_fault,
&map_writable))
- return 0;
+ return RET_PF_RETRY;
if (handle_abnormal_pfn(vcpu, addr, walker.gfn, pfn, walker.pte_access, &r))
return r;
@@ -834,7 +834,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, u32 error_code,
out_unlock:
spin_unlock(&vcpu->kvm->mmu_lock);
kvm_release_pfn_clean(pfn);
- return 0;
+ return RET_PF_RETRY;
}
static gpa_t FNAME(get_level1_sp_gpa)(struct kvm_mmu_page *sp)