From: Quentin Perret <qperret@google.com>
To: Will Deacon <will@kernel.org>
Cc: kvmarm@lists.linux.dev, Sean Christopherson <seanjc@google.com>,
Vincent Donnefort <vdonnefort@google.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
James Morse <james.morse@arm.com>,
Chao Peng <chao.p.peng@linux.intel.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Fuad Tabba <tabba@google.com>,
Oliver Upton <oliver.upton@linux.dev>,
Marc Zyngier <maz@kernel.org>,
kernel-team@android.com, kvm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4 13/25] KVM: arm64: Instantiate pKVM hypervisor VM and vCPU structures from EL1
Date: Wed, 19 Oct 2022 16:00:06 +0000 [thread overview]
Message-ID: <Y1AfBrXcYlWBxig8@google.com> (raw)
In-Reply-To: <20221017115209.2099-14-will@kernel.org>
On Monday 17 Oct 2022 at 12:51:57 (+0100), Will Deacon wrote:
> +struct kvm_protected_vm {
> + pkvm_handle_t handle;
> + struct mutex vm_lock;
Why is this lock needed btw? Isn't kvm->lock good enough?
> +
> + struct {
> + void *pgd;
> + void *vm;
> + void *vcpus[KVM_MAX_VCPUS];
> + } hyp_donations;
> +};
next prev parent reply other threads:[~2022-10-19 16:01 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-17 11:51 [PATCH v4 00/25] KVM: arm64: Introduce pKVM hyp VM and vCPU state at EL2 Will Deacon
2022-10-17 11:51 ` [PATCH v4 01/25] KVM: arm64: Move hyp refcount manipulation helpers to common header file Will Deacon
2022-10-17 20:29 ` Philippe Mathieu-Daudé
2022-10-17 11:51 ` [PATCH v4 02/25] KVM: arm64: Allow attaching of non-coalescable pages to a hyp pool Will Deacon
2022-10-17 11:51 ` [PATCH v4 03/25] KVM: arm64: Back the hypervisor 'struct hyp_page' array for all memory Will Deacon
2022-10-17 11:51 ` [PATCH v4 04/25] KVM: arm64: Fix-up hyp stage-1 refcounts for all pages mapped at EL2 Will Deacon
2022-10-17 11:51 ` [PATCH v4 05/25] KVM: arm64: Unify identifiers used to distinguish host and hypervisor Will Deacon
2022-10-17 20:21 ` Philippe Mathieu-Daudé
2022-10-17 11:51 ` [PATCH v4 06/25] KVM: arm64: Implement do_donate() helper for donating memory Will Deacon
2022-10-17 11:51 ` [PATCH v4 07/25] KVM: arm64: Prevent the donation of no-map pages Will Deacon
2022-10-18 13:42 ` Philippe Mathieu-Daudé
2022-10-17 11:51 ` [PATCH v4 08/25] KVM: arm64: Add helpers to pin memory shared with the hypervisor at EL2 Will Deacon
2022-10-17 11:51 ` [PATCH v4 09/25] KVM: arm64: Include asm/kvm_mmu.h in nvhe/mem_protect.h Will Deacon
2022-10-17 20:22 ` Philippe Mathieu-Daudé
2022-10-17 11:51 ` [PATCH v4 10/25] KVM: arm64: Add hyp_spinlock_t static initializer Will Deacon
2022-10-18 13:51 ` Philippe Mathieu-Daudé
2022-10-17 11:51 ` [PATCH v4 11/25] KVM: arm64: Rename 'host_kvm' to 'host_mmu' Will Deacon
2022-10-18 13:47 ` Philippe Mathieu-Daudé
2022-10-17 11:51 ` [PATCH v4 12/25] KVM: arm64: Add infrastructure to create and track pKVM instances at EL2 Will Deacon
2022-10-18 15:13 ` Quentin Perret
2022-10-19 12:35 ` Will Deacon
2022-10-18 16:21 ` Quentin Perret
2022-10-19 12:45 ` Will Deacon
2022-10-18 16:33 ` Quentin Perret
2022-10-19 11:57 ` Will Deacon
2022-10-19 13:35 ` Quentin Perret
2022-10-18 16:40 ` Quentin Perret
2022-10-19 12:44 ` Will Deacon
2022-10-18 16:45 ` Quentin Perret
2022-10-19 12:18 ` Fuad Tabba
2022-10-17 11:51 ` [PATCH v4 13/25] KVM: arm64: Instantiate pKVM hypervisor VM and vCPU structures from EL1 Will Deacon
2022-10-19 15:46 ` Quentin Perret
2022-10-19 16:00 ` Quentin Perret [this message]
2022-10-19 16:34 ` Will Deacon
2022-10-17 11:51 ` [PATCH v4 14/25] KVM: arm64: Add per-cpu fixmap infrastructure at EL2 Will Deacon
2022-10-18 11:06 ` Mark Rutland
2022-10-18 14:05 ` Will Deacon
2022-10-18 16:52 ` Mark Rutland
2022-10-19 12:01 ` Will Deacon
2022-10-17 11:51 ` [PATCH v4 15/25] KVM: arm64: Initialise hypervisor copies of host symbols unconditionally Will Deacon
2022-10-17 20:26 ` Philippe Mathieu-Daudé
2022-10-17 11:52 ` [PATCH v4 16/25] KVM: arm64: Provide I-cache invalidation by virtual address at EL2 Will Deacon
2022-10-17 11:52 ` [PATCH v4 17/25] KVM: arm64: Add generic hyp_memcache helpers Will Deacon
2022-10-17 11:52 ` [PATCH v4 18/25] KVM: arm64: Consolidate stage-2 initialisation into a single function Will Deacon
2022-10-17 11:52 ` [PATCH v4 19/25] KVM: arm64: Instantiate guest stage-2 page-tables at EL2 Will Deacon
2022-10-17 11:52 ` [PATCH v4 20/25] KVM: arm64: Return guest memory from EL2 via dedicated teardown memcache Will Deacon
2022-10-19 15:52 ` Quentin Perret
2022-10-19 16:24 ` Will Deacon
2022-10-17 11:52 ` [PATCH v4 21/25] KVM: arm64: Unmap 'kvm_arm_hyp_percpu_base' from the host Will Deacon
2022-10-17 11:52 ` [PATCH v4 22/25] KVM: arm64: Maintain a copy of 'kvm_arm_vmid_bits' at EL2 Will Deacon
2022-10-17 11:52 ` [PATCH v4 23/25] KVM: arm64: Explicitly map 'kvm_vgic_global_state' " Will Deacon
2022-10-17 11:52 ` [PATCH v4 24/25] KVM: arm64: Don't unnecessarily map host kernel sections " Will Deacon
2022-10-17 11:52 ` [PATCH v4 25/25] KVM: arm64: Use the pKVM hyp vCPU structure in handle___kvm_vcpu_run() Will Deacon
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