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| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2020-04-27 17:54:21 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-15 12:26:11 -0400 |
| commit | e662ec3e0705cfee5b36aecd62adbc36df85eab3 (patch) | |
| tree | febf56638878837fd909dbffbf595be1933ea66a | |
| parent | b2f432f872d9b4eb07d35f7bd5aa68c48a756f1a (diff) | |
| download | linux-e662ec3e0705cfee5b36aecd62adbc36df85eab3.tar.bz2 | |
KVM: x86/mmu: Move max hugepage level to a separate #define
Rename PT_MAX_HUGEPAGE_LEVEL to KVM_MAX_HUGEPAGE_LEVEL and make it a
separate define in anticipation of dropping KVM's PT_*_LEVEL enums in
favor of the kernel's PG_LEVEL_* enums.
No functional change intended.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200428005422.4235-3-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 5 | ||||
| -rw-r--r-- | arch/x86/kvm/mmu/mmu.c | 17 |
2 files changed, 11 insertions, 11 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 86295a01f5ca..77a97a72bb3e 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -114,10 +114,9 @@ enum { PT_PAGE_TABLE_LEVEL = 1, PT_DIRECTORY_LEVEL = 2, PT_PDPE_LEVEL = 3, - /* set max level to the biggest one */ - PT_MAX_HUGEPAGE_LEVEL = PT_PDPE_LEVEL, }; -#define KVM_NR_PAGE_SIZES (PT_MAX_HUGEPAGE_LEVEL - \ +#define KVM_MAX_HUGEPAGE_LEVEL PT_PDPE_LEVEL +#define KVM_NR_PAGE_SIZES (KVM_MAX_HUGEPAGE_LEVEL - \ PT_PAGE_TABLE_LEVEL + 1) #define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 9) #define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x)) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 10cb8db54cd0..7a712e903e93 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -1199,7 +1199,7 @@ static void update_gfn_disallow_lpage_count(struct kvm_memory_slot *slot, struct kvm_lpage_info *linfo; int i; - for (i = PT_DIRECTORY_LEVEL; i <= PT_MAX_HUGEPAGE_LEVEL; ++i) { + for (i = PT_DIRECTORY_LEVEL; i <= KVM_MAX_HUGEPAGE_LEVEL; ++i) { linfo = lpage_info_slot(gfn, slot, i); linfo->disallow_lpage += count; WARN_ON(linfo->disallow_lpage < 0); @@ -1763,7 +1763,7 @@ bool kvm_mmu_slot_gfn_write_protect(struct kvm *kvm, int i; bool write_protected = false; - for (i = PT_PAGE_TABLE_LEVEL; i <= PT_MAX_HUGEPAGE_LEVEL; ++i) { + for (i = PT_PAGE_TABLE_LEVEL; i <= KVM_MAX_HUGEPAGE_LEVEL; ++i) { rmap_head = __gfn_to_rmap(gfn, i, slot); write_protected |= __rmap_write_protect(kvm, rmap_head, true); } @@ -1952,7 +1952,7 @@ static int kvm_handle_hva_range(struct kvm *kvm, gfn_end = hva_to_gfn_memslot(hva_end + PAGE_SIZE - 1, memslot); for_each_slot_rmap_range(memslot, PT_PAGE_TABLE_LEVEL, - PT_MAX_HUGEPAGE_LEVEL, + KVM_MAX_HUGEPAGE_LEVEL, gfn_start, gfn_end - 1, &iterator) ret |= handler(kvm, iterator.rmap, memslot, @@ -4214,7 +4214,7 @@ int kvm_tdp_page_fault(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code, { int max_level; - for (max_level = PT_MAX_HUGEPAGE_LEVEL; + for (max_level = KVM_MAX_HUGEPAGE_LEVEL; max_level > PT_PAGE_TABLE_LEVEL; max_level--) { int page_num = KVM_PAGES_PER_HPAGE(max_level); @@ -5641,7 +5641,7 @@ slot_handle_all_level(struct kvm *kvm, struct kvm_memory_slot *memslot, slot_level_handler fn, bool lock_flush_tlb) { return slot_handle_level(kvm, memslot, fn, PT_PAGE_TABLE_LEVEL, - PT_MAX_HUGEPAGE_LEVEL, lock_flush_tlb); + KVM_MAX_HUGEPAGE_LEVEL, lock_flush_tlb); } static __always_inline bool @@ -5649,7 +5649,7 @@ slot_handle_large_level(struct kvm *kvm, struct kvm_memory_slot *memslot, slot_level_handler fn, bool lock_flush_tlb) { return slot_handle_level(kvm, memslot, fn, PT_PAGE_TABLE_LEVEL + 1, - PT_MAX_HUGEPAGE_LEVEL, lock_flush_tlb); + KVM_MAX_HUGEPAGE_LEVEL, lock_flush_tlb); } static __always_inline bool @@ -5867,7 +5867,8 @@ void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start, gfn_t gfn_end) continue; slot_handle_level_range(kvm, memslot, kvm_zap_rmapp, - PT_PAGE_TABLE_LEVEL, PT_MAX_HUGEPAGE_LEVEL, + PT_PAGE_TABLE_LEVEL, + KVM_MAX_HUGEPAGE_LEVEL, start, end - 1, true); } } @@ -5889,7 +5890,7 @@ void kvm_mmu_slot_remove_write_access(struct kvm *kvm, spin_lock(&kvm->mmu_lock); flush = slot_handle_level(kvm, memslot, slot_rmap_write_protect, - start_level, PT_MAX_HUGEPAGE_LEVEL, false); + start_level, KVM_MAX_HUGEPAGE_LEVEL, false); spin_unlock(&kvm->mmu_lock); /* |