From: Ricardo Koller <ricarkol@google.com> To: pbonzini@redhat.com, maz@kernel.org, oupton@google.com, dmatlack@google.com, qperret@google.com, catalin.marinas@arm.com, andrew.jones@linux.dev, seanjc@google.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, eric.auger@redhat.com, gshan@redhat.com, reijiw@google.com, rananta@google.com, bgardon@google.com Cc: kvmarm@lists.linux.dev, ricarkol@gmail.com, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Subject: [RFC PATCH 08/12] KVM: arm64: Add kvm_uninit_stage2_mmu() Date: Sat, 12 Nov 2022 08:17:10 +0000 [thread overview] Message-ID: <20221112081714.2169495-9-ricarkol@google.com> (raw) In-Reply-To: <20221112081714.2169495-1-ricarkol@google.com> Add kvm_uninit_stage2_mmu() and move kvm_free_stage2_pgd() into it. A future commit will add some more things to do inside of kvm_uninit_stage2_mmu(). No functional change intended. Signed-off-by: Ricardo Koller <ricarkol@google.com> --- arch/arm64/include/asm/kvm_mmu.h | 1 + arch/arm64/kvm/mmu.c | 7 ++++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index e4a7e6369499..058f3ae5bc26 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -167,6 +167,7 @@ void free_hyp_pgds(void); void stage2_unmap_vm(struct kvm *kvm); int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu, unsigned long type); +void kvm_uninit_stage2_mmu(struct kvm *kvm); void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu); int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa, phys_addr_t pa, unsigned long size, bool writable); diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 6599a45eebf5..94865c5ce181 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -766,6 +766,11 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu, unsigned long t return err; } +void kvm_uninit_stage2_mmu(struct kvm *kvm) +{ + kvm_free_stage2_pgd(&kvm->arch.mmu); +} + static void stage2_unmap_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot) { @@ -1869,7 +1874,7 @@ void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) void kvm_arch_flush_shadow_all(struct kvm *kvm) { - kvm_free_stage2_pgd(&kvm->arch.mmu); + kvm_uninit_stage2_mmu(kvm); } void kvm_arch_flush_shadow_memslot(struct kvm *kvm, -- 2.38.1.431.g37b22c650d-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
WARNING: multiple messages have this Message-ID (diff)
From: Ricardo Koller <ricarkol@google.com> To: pbonzini@redhat.com, maz@kernel.org, oupton@google.com, dmatlack@google.com, qperret@google.com, catalin.marinas@arm.com, andrew.jones@linux.dev, seanjc@google.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, eric.auger@redhat.com, gshan@redhat.com, reijiw@google.com, rananta@google.com, bgardon@google.com Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev, kvmarm@lists.cs.columbia.edu, ricarkol@gmail.com, Ricardo Koller <ricarkol@google.com> Subject: [RFC PATCH 08/12] KVM: arm64: Add kvm_uninit_stage2_mmu() Date: Sat, 12 Nov 2022 08:17:10 +0000 [thread overview] Message-ID: <20221112081714.2169495-9-ricarkol@google.com> (raw) Message-ID: <20221112081710.JjHFq00yP__mlYv63TTRybezHyM8zf1u1Fclp52POAo@z> (raw) In-Reply-To: <20221112081714.2169495-1-ricarkol@google.com> Add kvm_uninit_stage2_mmu() and move kvm_free_stage2_pgd() into it. A future commit will add some more things to do inside of kvm_uninit_stage2_mmu(). No functional change intended. Signed-off-by: Ricardo Koller <ricarkol@google.com> --- arch/arm64/include/asm/kvm_mmu.h | 1 + arch/arm64/kvm/mmu.c | 7 ++++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index e4a7e6369499..058f3ae5bc26 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -167,6 +167,7 @@ void free_hyp_pgds(void); void stage2_unmap_vm(struct kvm *kvm); int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu, unsigned long type); +void kvm_uninit_stage2_mmu(struct kvm *kvm); void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu); int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa, phys_addr_t pa, unsigned long size, bool writable); diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 6599a45eebf5..94865c5ce181 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -766,6 +766,11 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu, unsigned long t return err; } +void kvm_uninit_stage2_mmu(struct kvm *kvm) +{ + kvm_free_stage2_pgd(&kvm->arch.mmu); +} + static void stage2_unmap_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot) { @@ -1869,7 +1874,7 @@ void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) void kvm_arch_flush_shadow_all(struct kvm *kvm) { - kvm_free_stage2_pgd(&kvm->arch.mmu); + kvm_uninit_stage2_mmu(kvm); } void kvm_arch_flush_shadow_memslot(struct kvm *kvm, -- 2.38.1.431.g37b22c650d-goog
next prev parent reply other threads:[~2022-11-12 8:17 UTC|newest] Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-12 8:17 [RFC PATCH 00/12] KVM: arm64: Eager huge-page splitting for dirty-logging Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller 2022-11-12 8:17 ` [RFC PATCH 01/12] KVM: arm64: Relax WARN check in stage2_make_pte() Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller 2022-11-14 20:59 ` Oliver Upton 2022-11-14 20:59 ` Oliver Upton 2022-11-12 8:17 ` [RFC PATCH 02/12] KVM: arm64: Allow visiting block PTEs in post-order Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller 2022-11-14 18:48 ` Oliver Upton 2022-11-14 18:48 ` Oliver Upton 2023-01-13 3:44 ` Ricardo Koller 2022-11-12 8:17 ` [RFC PATCH 03/12] KVM: arm64: Add stage2_create_removed() Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller 2022-11-12 8:17 ` [RFC PATCH 04/12] KVM: arm64: Add kvm_pgtable_stage2_split() Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller 2022-11-14 20:54 ` Oliver Upton 2022-11-14 20:54 ` Oliver Upton 2022-11-15 23:03 ` Ricardo Koller 2022-11-15 23:03 ` Ricardo Koller 2022-11-15 23:27 ` Ricardo Koller 2022-11-15 23:27 ` Ricardo Koller 2022-11-15 23:54 ` Oliver Upton 2022-11-15 23:54 ` Oliver Upton 2022-11-17 21:50 ` Ricardo Koller 2022-11-17 21:50 ` Ricardo Koller 2022-11-12 8:17 ` [RFC PATCH 05/12] arm64: Add a capability for FEAT_BBM level 2 Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller 2022-11-12 8:17 ` [RFC PATCH 06/12] KVM: arm64: Split block PTEs without using break-before-make Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller 2022-11-14 18:56 ` Oliver Upton 2022-11-14 18:56 ` Oliver Upton 2022-11-12 8:17 ` [RFC PATCH 07/12] KVM: arm64: Refactor kvm_arch_commit_memory_region() Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller [this message] 2022-11-12 8:17 ` [RFC PATCH 08/12] KVM: arm64: Add kvm_uninit_stage2_mmu() Ricardo Koller 2022-11-12 8:17 ` [RFC PATCH 09/12] KVM: arm64: Split huge pages when dirty logging is enabled Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller 2022-11-12 8:17 ` [RFC PATCH 10/12] KVM: arm64: Open-code kvm_mmu_write_protect_pt_masked() Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller 2022-11-12 8:17 ` [RFC PATCH 11/12] KVM: arm64: Split huge pages during KVM_CLEAR_DIRTY_LOG Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller 2022-11-12 8:17 ` [RFC PATCH 12/12] KVM: arm64: Use local TLBI on permission relaxation Ricardo Koller 2022-11-12 8:17 ` Ricardo Koller 2022-11-14 18:42 ` [RFC PATCH 00/12] KVM: arm64: Eager huge-page splitting for dirty-logging Oliver Upton 2022-11-14 18:42 ` Oliver Upton 2023-01-13 3:42 ` Ricardo Koller
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