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| author | Avi Kivity <avi@qumranet.com> | 2008-08-26 16:16:08 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-10-15 10:15:22 +0200 |
| commit | 6c41f428b72afe5a581b967590c12538db31d399 (patch) | |
| tree | 8b1cd1520469b23d033d7046db2d03ef727d54a4 /arch/x86 | |
| parent | 0be9e929e398d6da6406183a8732dbfd0937fafe (diff) | |
| download | linux-6c41f428b72afe5a581b967590c12538db31d399.tar.gz linux-6c41f428b72afe5a581b967590c12538db31d399.tar.bz2 linux-6c41f428b72afe5a581b967590c12538db31d399.zip | |
KVM: MMU: Infer shadow root level in direct_map()
In all cases the shadow root level is available in mmu.shadow_root_level,
so there is no need to pass it as a parameter.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 3ee856f6812d..72f739aa8623 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1227,11 +1227,11 @@ static void nonpaging_new_cr3(struct kvm_vcpu *vcpu) } static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write, - int largepage, gfn_t gfn, pfn_t pfn, - int level) + int largepage, gfn_t gfn, pfn_t pfn) { hpa_t table_addr = vcpu->arch.mmu.root_hpa; int pt_write = 0; + int level = vcpu->arch.mmu.shadow_root_level; for (; ; level--) { u32 index = PT64_INDEX(v, level); @@ -1299,8 +1299,7 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn) if (mmu_notifier_retry(vcpu, mmu_seq)) goto out_unlock; kvm_mmu_free_some_pages(vcpu); - r = __direct_map(vcpu, v, write, largepage, gfn, pfn, - PT32E_ROOT_LEVEL); + r = __direct_map(vcpu, v, write, largepage, gfn, pfn); spin_unlock(&vcpu->kvm->mmu_lock); @@ -1455,7 +1454,7 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, goto out_unlock; kvm_mmu_free_some_pages(vcpu); r = __direct_map(vcpu, gpa, error_code & PFERR_WRITE_MASK, - largepage, gfn, pfn, kvm_x86_ops->get_tdp_level()); + largepage, gfn, pfn); spin_unlock(&vcpu->kvm->mmu_lock); return r; |