diff options
| -rw-r--r-- | arch/powerpc/include/asm/kvm_host.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/kvm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_32_mmu_host.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_mmu_host.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_mmu_hpte.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_pr.c | 47 |
6 files changed, 51 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index cea9d3aab71c..4a5ec8f573c7 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -46,8 +46,7 @@ #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 #endif -#if defined(CONFIG_KVM_BOOK3S_64_HV) || defined(CONFIG_KVM_E500V2) || \ - defined(CONFIG_KVM_E500MC) +#if !defined(CONFIG_KVM_440) #include <linux/mmu_notifier.h> #define KVM_ARCH_WANT_MMU_NOTIFIER diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index 40cad8c8bd0e..71f0cd9edf33 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -36,6 +36,7 @@ config KVM_BOOK3S_64_HANDLER config KVM_BOOK3S_PR bool select KVM_MMIO + select MMU_NOTIFIER config KVM_BOOK3S_32 tristate "KVM support for PowerPC book3s_32 processors" diff --git a/arch/powerpc/kvm/book3s_32_mmu_host.c b/arch/powerpc/kvm/book3s_32_mmu_host.c index 837f13e7b6bf..9fac0101ffb9 100644 --- a/arch/powerpc/kvm/book3s_32_mmu_host.c +++ b/arch/powerpc/kvm/book3s_32_mmu_host.c @@ -254,6 +254,7 @@ next_pteg: kvmppc_mmu_hpte_cache_map(vcpu, pte); + kvm_release_pfn_clean(hpaddr >> PAGE_SHIFT); out: return r; } diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c index 0688b6b39585..6b2c80e49681 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_host.c +++ b/arch/powerpc/kvm/book3s_64_mmu_host.c @@ -168,6 +168,7 @@ map_again: kvmppc_mmu_hpte_cache_map(vcpu, pte); } + kvm_release_pfn_clean(hpaddr >> PAGE_SHIFT); out: return r; diff --git a/arch/powerpc/kvm/book3s_mmu_hpte.c b/arch/powerpc/kvm/book3s_mmu_hpte.c index 41cb0017e757..2c86b0d63714 100644 --- a/arch/powerpc/kvm/book3s_mmu_hpte.c +++ b/arch/powerpc/kvm/book3s_mmu_hpte.c @@ -114,11 +114,6 @@ static void invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte) hlist_del_init_rcu(&pte->list_vpte); hlist_del_init_rcu(&pte->list_vpte_long); - if (pte->pte.may_write) - kvm_release_pfn_dirty(pte->pfn); - else - kvm_release_pfn_clean(pte->pfn); - spin_unlock(&vcpu3s->mmu_lock); vcpu3s->hpte_cache_count--; diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index cae2defd1462..10f8217b8c38 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -90,8 +90,55 @@ void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu) void kvmppc_core_check_requests(struct kvm_vcpu *vcpu) { + /* We misuse TLB_FLUSH to indicate that we want to clear + all shadow cache entries */ + if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu)) + kvmppc_mmu_pte_flush(vcpu, 0, 0); } +/************* MMU Notifiers *************/ + +int kvm_unmap_hva(struct kvm *kvm, unsigned long hva) +{ + trace_kvm_unmap_hva(hva); + + /* + * Flush all shadow tlb entries everywhere. This is slow, but + * we are 100% sure that we catch the to be unmapped page + */ + kvm_flush_remote_tlbs(kvm); + + return 0; +} + +int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end) +{ + /* kvm_unmap_hva flushes everything anyways */ + kvm_unmap_hva(kvm, start); + + return 0; +} + +int kvm_age_hva(struct kvm *kvm, unsigned long hva) +{ + /* XXX could be more clever ;) */ + return 0; +} + +int kvm_test_age_hva(struct kvm *kvm, unsigned long hva) +{ + /* XXX could be more clever ;) */ + return 0; +} + +void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte) +{ + /* The page will get remapped properly on its next fault */ + kvm_unmap_hva(kvm, hva); +} + +/*****************************************/ + static void kvmppc_recalc_shadow_msr(struct kvm_vcpu *vcpu) { ulong smsr = vcpu->arch.shared->msr; |