From: Will Deacon <will@kernel.org> To: kvmarm@lists.cs.columbia.edu Cc: kernel-team@android.com, Marc Zyngier <maz@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 20/21] KVM: arm64: Remove unused 'pgd' field from 'struct kvm_s2_mmu' Date: Fri, 11 Sep 2020 14:25:28 +0100 [thread overview] Message-ID: <20200911132529.19844-21-will@kernel.org> (raw) In-Reply-To: <20200911132529.19844-1-will@kernel.org> The stage-2 page-tables are entirely encapsulated by the 'pgt' field of 'struct kvm_s2_mmu', so remove the unused 'pgd' field. Cc: Marc Zyngier <maz@kernel.org> Cc: Quentin Perret <qperret@google.com> Reviewed-by: Gavin Shan <gshan@redhat.com> Signed-off-by: Will Deacon <will@kernel.org> --- arch/arm64/include/asm/kvm_host.h | 1 - arch/arm64/kvm/mmu.c | 2 -- 2 files changed, 3 deletions(-) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 0b7c702b2151..41caf29bd93c 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -79,7 +79,6 @@ struct kvm_s2_mmu { * for vEL1/EL0 with vHCR_EL2.VM == 0. In that case, we use the * canonical stage-2 page tables. */ - pgd_t *pgd; phys_addr_t pgd_phys; struct kvm_pgtable *pgt; diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index dd0ea7d8065a..21b70abf65a7 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -389,7 +389,6 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu) mmu->kvm = kvm; mmu->pgt = pgt; mmu->pgd_phys = __pa(pgt->pgd); - mmu->pgd = (void *)pgt->pgd; mmu->vmid.vmid_gen = 0; return 0; @@ -475,7 +474,6 @@ void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu) spin_lock(&kvm->mmu_lock); pgt = mmu->pgt; if (pgt) { - mmu->pgd = NULL; mmu->pgd_phys = 0; mmu->pgt = NULL; free_percpu(mmu->last_vcpu_ran); -- 2.28.0.618.gf4bc123cb7-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: Will Deacon <will@kernel.org> To: kvmarm@lists.cs.columbia.edu Cc: kernel-team@android.com, Gavin Shan <gshan@redhat.com>, Suzuki Poulose <suzuki.poulose@arm.com>, Marc Zyngier <maz@kernel.org>, Quentin Perret <qperret@google.com>, Alexandru Elisei <alexandru.elisei@arm.com>, James Morse <james.morse@arm.com>, Andrew Scull <ascull@google.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 20/21] KVM: arm64: Remove unused 'pgd' field from 'struct kvm_s2_mmu' Date: Fri, 11 Sep 2020 14:25:28 +0100 [thread overview] Message-ID: <20200911132529.19844-21-will@kernel.org> (raw) In-Reply-To: <20200911132529.19844-1-will@kernel.org> The stage-2 page-tables are entirely encapsulated by the 'pgt' field of 'struct kvm_s2_mmu', so remove the unused 'pgd' field. Cc: Marc Zyngier <maz@kernel.org> Cc: Quentin Perret <qperret@google.com> Reviewed-by: Gavin Shan <gshan@redhat.com> Signed-off-by: Will Deacon <will@kernel.org> --- arch/arm64/include/asm/kvm_host.h | 1 - arch/arm64/kvm/mmu.c | 2 -- 2 files changed, 3 deletions(-) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 0b7c702b2151..41caf29bd93c 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -79,7 +79,6 @@ struct kvm_s2_mmu { * for vEL1/EL0 with vHCR_EL2.VM == 0. In that case, we use the * canonical stage-2 page tables. */ - pgd_t *pgd; phys_addr_t pgd_phys; struct kvm_pgtable *pgt; diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index dd0ea7d8065a..21b70abf65a7 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -389,7 +389,6 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu) mmu->kvm = kvm; mmu->pgt = pgt; mmu->pgd_phys = __pa(pgt->pgd); - mmu->pgd = (void *)pgt->pgd; mmu->vmid.vmid_gen = 0; return 0; @@ -475,7 +474,6 @@ void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu) spin_lock(&kvm->mmu_lock); pgt = mmu->pgt; if (pgt) { - mmu->pgd = NULL; mmu->pgd_phys = 0; mmu->pgt = NULL; free_percpu(mmu->last_vcpu_ran); -- 2.28.0.618.gf4bc123cb7-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-09-11 13:26 UTC|newest] Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-11 13:25 [PATCH v5 00/21] KVM: arm64: Rewrite page-table code and fault handling Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 01/21] KVM: arm64: Remove kvm_mmu_free_memory_caches() Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 02/21] KVM: arm64: Add stand-alone page-table walker infrastructure Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 03/21] KVM: arm64: Add support for creating kernel-agnostic stage-1 page tables Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 04/21] KVM: arm64: Use generic allocator for hyp stage-1 page-tables Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 05/21] KVM: arm64: Add support for creating kernel-agnostic stage-2 page tables Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 06/21] KVM: arm64: Add support for stage-2 map()/unmap() in generic page-table Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-15 10:47 ` Alexandru Elisei 2020-09-15 10:47 ` Alexandru Elisei 2020-09-11 13:25 ` [PATCH v5 07/21] KVM: arm64: Convert kvm_phys_addr_ioremap() to generic page-table API Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 08/21] KVM: arm64: Convert kvm_set_spte_hva() " Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 09/21] KVM: arm64: Convert unmap_stage2_range() " Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-15 10:57 ` Alexandru Elisei 2020-09-15 10:57 ` Alexandru Elisei 2020-09-11 13:25 ` [PATCH v5 10/21] KVM: arm64: Add support for stage-2 page-aging in generic page-table Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 11/21] KVM: arm64: Convert page-aging and access faults to generic page-table API Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 12/21] KVM: arm64: Add support for stage-2 write-protect in generic page-table Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 13/21] KVM: arm64: Convert write-protect operation to generic page-table API Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 14/21] KVM: arm64: Add support for stage-2 cache flushing in generic page-table Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 15/21] KVM: arm64: Convert memslot cache-flushing code to generic page-table API Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 16/21] KVM: arm64: Add support for relaxing stage-2 perms in generic page-table code Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-15 16:16 ` Alexandru Elisei 2020-09-15 16:16 ` Alexandru Elisei 2020-09-11 13:25 ` [PATCH v5 17/21] KVM: arm64: Convert user_mem_abort() to generic page-table API Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 18/21] KVM: arm64: Check the pgt instead of the pgd when modifying page-table Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` [PATCH v5 19/21] KVM: arm64: Remove unused page-table code Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 13:25 ` Will Deacon [this message] 2020-09-11 13:25 ` [PATCH v5 20/21] KVM: arm64: Remove unused 'pgd' field from 'struct kvm_s2_mmu' Will Deacon 2020-09-11 13:25 ` [PATCH v5 21/21] KVM: arm64: Don't constrain maximum IPA size based on host configuration Will Deacon 2020-09-11 13:25 ` Will Deacon 2020-09-11 15:04 ` [PATCH v5 00/21] KVM: arm64: Rewrite page-table code and fault handling Marc Zyngier 2020-09-11 15:04 ` Marc Zyngier 2020-10-01 10:21 ` Alexandru Elisei 2020-10-01 10:21 ` Alexandru Elisei 2020-10-01 12:28 ` Will Deacon 2020-10-01 12:28 ` Will Deacon
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20200911132529.19844-21-will@kernel.org \ --to=will@kernel.org \ --cc=catalin.marinas@arm.com \ --cc=kernel-team@android.com \ --cc=kvmarm@lists.cs.columbia.edu \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=maz@kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.