From: Sean Christopherson <seanjc@google.com> To: David Matlack <dmatlack@google.com> Cc: Paolo Bonzini <pbonzini@redhat.com>, Marc Zyngier <maz@kernel.org>, Huacai Chen <chenhuacai@kernel.org>, Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>, Anup Patel <anup@brainfault.org>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Andrew Jones <drjones@redhat.com>, Ben Gardon <bgardon@google.com>, Peter Xu <peterx@redhat.com>, maciej.szmigiero@oracle.com, "moderated list:KERNEL VIRTUAL MACHINE FOR ARM64 (KVM/arm64)" <kvmarm@lists.cs.columbia.edu>, "open list:KERNEL VIRTUAL MACHINE FOR MIPS (KVM/mips)" <linux-mips@vger.kernel.org>, "open list:KERNEL VIRTUAL MACHINE FOR MIPS (KVM/mips)" <kvm@vger.kernel.org>, "open list:KERNEL VIRTUAL MACHINE FOR RISC-V (KVM/riscv)" <kvm-riscv@lists.infradead.org>, Peter Feiner <pfeiner@google.com> Subject: Re: [PATCH v4 13/20] KVM: x86/mmu: Decouple rmap_add() and link_shadow_page() from kvm_vcpu Date: Thu, 5 May 2022 23:46:51 +0000 [thread overview] Message-ID: <YnRh6yyGQZ+U31U1@google.com> (raw) In-Reply-To: <20220422210546.458943-14-dmatlack@google.com> On Fri, Apr 22, 2022, David Matlack wrote: > -static void link_shadow_page(struct kvm_vcpu *vcpu, u64 *sptep, > - struct kvm_mmu_page *sp) > +static void __link_shadow_page(struct kvm_mmu_memory_cache *cache, u64 *sptep, > + struct kvm_mmu_page *sp) > { > u64 spte; > > @@ -2297,12 +2300,17 @@ static void link_shadow_page(struct kvm_vcpu *vcpu, u64 *sptep, > > mmu_spte_set(sptep, spte); > > - mmu_page_add_parent_pte(vcpu, sp, sptep); > + mmu_page_add_parent_pte(cache, sp, sptep); > > if (sp->unsync_children || sp->unsync) > mark_unsync(sptep); > } > > +static void link_shadow_page(struct kvm_vcpu *vcpu, u64 *sptep, struct kvm_mmu_page *sp) Nit, would prefer to wrap here, especially since __link_shadow_page() wraps. > +{ > + __link_shadow_page(&vcpu->arch.mmu_pte_list_desc_cache, sptep, sp); > +} > + > static void validate_direct_spte(struct kvm_vcpu *vcpu, u64 *sptep, > unsigned direct_access) > { > -- > 2.36.0.rc2.479.g8af0fa9b8e-goog >
WARNING: multiple messages have this Message-ID (diff)
From: Sean Christopherson <seanjc@google.com> To: David Matlack <dmatlack@google.com> Cc: Marc Zyngier <maz@kernel.org>, Albert Ou <aou@eecs.berkeley.edu>, "open list:KERNEL VIRTUAL MACHINE FOR MIPS \(KVM/mips\)" <kvm@vger.kernel.org>, Huacai Chen <chenhuacai@kernel.org>, "open list:KERNEL VIRTUAL MACHINE FOR MIPS \(KVM/mips\)" <linux-mips@vger.kernel.org>, Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com>, "open list:KERNEL VIRTUAL MACHINE FOR RISC-V \(KVM/riscv\)" <kvm-riscv@lists.infradead.org>, Paul Walmsley <paul.walmsley@sifive.com>, Ben Gardon <bgardon@google.com>, Paolo Bonzini <pbonzini@redhat.com>, maciej.szmigiero@oracle.com, "moderated list:KERNEL VIRTUAL MACHINE FOR ARM64 \(KVM/arm64\)" <kvmarm@lists.cs.columbia.edu>, Peter Feiner <pfeiner@google.com> Subject: Re: [PATCH v4 13/20] KVM: x86/mmu: Decouple rmap_add() and link_shadow_page() from kvm_vcpu Date: Thu, 5 May 2022 23:46:51 +0000 [thread overview] Message-ID: <YnRh6yyGQZ+U31U1@google.com> (raw) In-Reply-To: <20220422210546.458943-14-dmatlack@google.com> On Fri, Apr 22, 2022, David Matlack wrote: > -static void link_shadow_page(struct kvm_vcpu *vcpu, u64 *sptep, > - struct kvm_mmu_page *sp) > +static void __link_shadow_page(struct kvm_mmu_memory_cache *cache, u64 *sptep, > + struct kvm_mmu_page *sp) > { > u64 spte; > > @@ -2297,12 +2300,17 @@ static void link_shadow_page(struct kvm_vcpu *vcpu, u64 *sptep, > > mmu_spte_set(sptep, spte); > > - mmu_page_add_parent_pte(vcpu, sp, sptep); > + mmu_page_add_parent_pte(cache, sp, sptep); > > if (sp->unsync_children || sp->unsync) > mark_unsync(sptep); > } > > +static void link_shadow_page(struct kvm_vcpu *vcpu, u64 *sptep, struct kvm_mmu_page *sp) Nit, would prefer to wrap here, especially since __link_shadow_page() wraps. > +{ > + __link_shadow_page(&vcpu->arch.mmu_pte_list_desc_cache, sptep, sp); > +} > + > static void validate_direct_spte(struct kvm_vcpu *vcpu, u64 *sptep, > unsigned direct_access) > { > -- > 2.36.0.rc2.479.g8af0fa9b8e-goog > _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
next prev parent reply other threads:[~2022-05-05 23:47 UTC|newest] Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-04-22 21:05 [PATCH v4 00/20] KVM: Extend Eager Page Splitting to the shadow MMU David Matlack 2022-04-22 21:05 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 01/20] KVM: x86/mmu: Optimize MMU page cache lookup for all direct SPs David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-07 7:46 ` Lai Jiangshan 2022-05-07 7:46 ` Lai Jiangshan 2022-04-22 21:05 ` [PATCH v4 02/20] KVM: x86/mmu: Use a bool for direct David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-07 7:46 ` Lai Jiangshan 2022-05-07 7:46 ` Lai Jiangshan 2022-04-22 21:05 ` [PATCH v4 03/20] KVM: x86/mmu: Derive shadow MMU page role from parent David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-05 21:50 ` Sean Christopherson 2022-05-05 21:50 ` Sean Christopherson 2022-05-09 22:10 ` David Matlack 2022-05-09 22:10 ` David Matlack 2022-05-10 2:38 ` Lai Jiangshan 2022-05-10 2:38 ` Lai Jiangshan 2022-05-07 8:28 ` Lai Jiangshan 2022-05-07 8:28 ` Lai Jiangshan 2022-05-09 21:04 ` David Matlack 2022-05-09 21:04 ` David Matlack 2022-05-10 2:58 ` Lai Jiangshan 2022-05-10 2:58 ` Lai Jiangshan 2022-05-10 13:31 ` Sean Christopherson 2022-05-10 13:31 ` Sean Christopherson 2022-05-12 16:10 ` David Matlack 2022-05-12 16:10 ` David Matlack 2022-05-13 18:26 ` David Matlack 2022-05-13 18:26 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 04/20] KVM: x86/mmu: Decompose kvm_mmu_get_page() into separate functions David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-05 21:58 ` Sean Christopherson 2022-05-05 21:58 ` Sean Christopherson 2022-04-22 21:05 ` [PATCH v4 05/20] KVM: x86/mmu: Consolidate shadow page allocation and initialization David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-05 22:10 ` Sean Christopherson 2022-05-05 22:10 ` Sean Christopherson 2022-05-09 20:53 ` David Matlack 2022-05-09 20:53 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 06/20] KVM: x86/mmu: Rename shadow MMU functions that deal with shadow pages David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-05 22:15 ` Sean Christopherson 2022-05-05 22:15 ` Sean Christopherson 2022-04-22 21:05 ` [PATCH v4 07/20] KVM: x86/mmu: Move guest PT write-protection to account_shadowed() David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-05 22:51 ` Sean Christopherson 2022-05-05 22:51 ` Sean Christopherson 2022-05-09 21:18 ` David Matlack 2022-05-09 21:18 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 08/20] KVM: x86/mmu: Pass memory caches to allocate SPs separately David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-05 23:00 ` Sean Christopherson 2022-05-05 23:00 ` Sean Christopherson 2022-04-22 21:05 ` [PATCH v4 09/20] KVM: x86/mmu: Replace vcpu with kvm in kvm_mmu_alloc_shadow_page() David Matlack 2022-04-22 21:05 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 10/20] KVM: x86/mmu: Pass kvm pointer separately from vcpu to kvm_mmu_find_shadow_page() David Matlack 2022-04-22 21:05 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 11/20] KVM: x86/mmu: Allow for NULL vcpu pointer in __kvm_mmu_get_shadow_page() David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-05 23:33 ` Sean Christopherson 2022-05-05 23:33 ` Sean Christopherson 2022-05-09 21:26 ` David Matlack 2022-05-09 21:26 ` David Matlack 2022-05-09 22:56 ` Sean Christopherson 2022-05-09 22:56 ` Sean Christopherson 2022-05-09 23:59 ` David Matlack 2022-05-09 23:59 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 12/20] KVM: x86/mmu: Pass const memslot to rmap_add() David Matlack 2022-04-22 21:05 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 13/20] KVM: x86/mmu: Decouple rmap_add() and link_shadow_page() from kvm_vcpu David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-05 23:46 ` Sean Christopherson [this message] 2022-05-05 23:46 ` Sean Christopherson 2022-05-09 21:27 ` David Matlack 2022-05-09 21:27 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 14/20] KVM: x86/mmu: Update page stats in __rmap_add() David Matlack 2022-04-22 21:05 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 15/20] KVM: x86/mmu: Cache the access bits of shadowed translations David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-06 19:47 ` Sean Christopherson 2022-05-06 19:47 ` Sean Christopherson 2022-05-09 16:10 ` Sean Christopherson 2022-05-09 16:10 ` Sean Christopherson 2022-05-09 21:29 ` David Matlack 2022-05-09 21:29 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 16/20] KVM: x86/mmu: Extend make_huge_page_split_spte() for the shadow MMU David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-09 16:22 ` Sean Christopherson 2022-05-09 16:22 ` Sean Christopherson 2022-05-09 21:31 ` David Matlack 2022-05-09 21:31 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 17/20] KVM: x86/mmu: Zap collapsible SPTEs at all levels in " David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-09 16:31 ` Sean Christopherson 2022-05-09 16:31 ` Sean Christopherson 2022-05-09 21:34 ` David Matlack 2022-05-09 21:34 ` David Matlack 2022-04-22 21:05 ` [PATCH v4 18/20] KVM: x86/mmu: Refactor drop_large_spte() David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-09 16:36 ` Sean Christopherson 2022-05-09 16:36 ` Sean Christopherson 2022-04-22 21:05 ` [PATCH v4 19/20] KVM: Allow for different capacities in kvm_mmu_memory_cache structs David Matlack 2022-04-22 21:05 ` David Matlack 2022-04-23 8:08 ` kernel test robot 2022-04-23 8:08 ` kernel test robot 2022-04-24 15:21 ` kernel test robot 2022-04-24 15:21 ` kernel test robot 2022-04-22 21:05 ` [PATCH v4 20/20] KVM: x86/mmu: Extend Eager Page Splitting to nested MMUs David Matlack 2022-04-22 21:05 ` David Matlack 2022-05-07 7:51 ` Lai Jiangshan 2022-05-07 7:51 ` Lai Jiangshan 2022-05-09 21:40 ` David Matlack 2022-05-09 21:40 ` David Matlack 2022-05-09 16:48 ` Sean Christopherson 2022-05-09 16:48 ` Sean Christopherson 2022-05-09 21:44 ` David Matlack 2022-05-09 21:44 ` David Matlack 2022-05-09 22:47 ` Sean Christopherson 2022-05-09 22:47 ` Sean Christopherson
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