diff options
| author | Ben Gardon <bgardon@google.com> | 2021-04-01 16:37:26 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-04-19 09:05:24 -0400 |
| commit | 4bba36d72bf95038727d091a64dcb524dccc5da1 (patch) | |
| tree | 70ecdc3ebfb1a3ed573192d832b6ee14f3f9548e /arch/x86 | |
| parent | 76eb54e7e717455b4c5b82cec5c879ea017610f5 (diff) | |
KVM: x86/mmu: use tdp_mmu_free_sp to free roots
Minor cleanup to deduplicate the code used to free a struct kvm_mmu_page
in the TDP MMU.
No functional change intended.
Signed-off-by: Ben Gardon <bgardon@google.com>
Message-Id: <20210401233736.638171-4-bgardon@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/mmu/tdp_mmu.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c index de2c830d26d7..5600e7021b1b 100644 --- a/arch/x86/kvm/mmu/tdp_mmu.c +++ b/arch/x86/kvm/mmu/tdp_mmu.c @@ -92,6 +92,12 @@ static inline struct kvm_mmu_page *tdp_mmu_next_root(struct kvm *kvm, static bool zap_gfn_range(struct kvm *kvm, struct kvm_mmu_page *root, gfn_t start, gfn_t end, bool can_yield, bool flush); +static void tdp_mmu_free_sp(struct kvm_mmu_page *sp) +{ + free_page((unsigned long)sp->spt); + kmem_cache_free(mmu_page_header_cache, sp); +} + void kvm_tdp_mmu_free_root(struct kvm *kvm, struct kvm_mmu_page *root) { gfn_t max_gfn = 1ULL << (shadow_phys_bits - PAGE_SHIFT); @@ -105,8 +111,7 @@ void kvm_tdp_mmu_free_root(struct kvm *kvm, struct kvm_mmu_page *root) zap_gfn_range(kvm, root, 0, max_gfn, false, false); - free_page((unsigned long)root->spt); - kmem_cache_free(mmu_page_header_cache, root); + tdp_mmu_free_sp(root); } static union kvm_mmu_page_role page_role_for_level(struct kvm_vcpu *vcpu, @@ -168,12 +173,6 @@ out: return __pa(root->spt); } -static void tdp_mmu_free_sp(struct kvm_mmu_page *sp) -{ - free_page((unsigned long)sp->spt); - kmem_cache_free(mmu_page_header_cache, sp); -} - /* * This is called through call_rcu in order to free TDP page table memory * safely with respect to other kernel threads that may be operating on |