From: Xiaoyao Li <xiaoyao.li@intel.com>
To: Fuad Tabba <tabba@google.com>,
kvm@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-mm@kvack.org, kvmarm@lists.linux.dev
Cc: pbonzini@redhat.com, chenhuacai@kernel.org, mpe@ellerman.id.au,
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roypat@amazon.co.uk, shuah@kernel.org, hch@infradead.org,
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fvdl@google.com, hughd@google.com, jthoughton@google.com,
peterx@redhat.com, pankaj.gupta@amd.com, ira.weiny@intel.com
Subject: Re: [PATCH v14 01/21] KVM: Rename CONFIG_KVM_PRIVATE_MEM to CONFIG_KVM_GMEM
Date: Wed, 16 Jul 2025 11:43:40 +0800 [thread overview]
Message-ID: <8f8f15a2-ac5d-46ec-a790-8a2428ff6af2@intel.com> (raw)
In-Reply-To: <20250715093350.2584932-2-tabba@google.com>
On 7/15/2025 5:33 PM, Fuad Tabba wrote:
> Rename the Kconfig option CONFIG_KVM_PRIVATE_MEM to CONFIG_KVM_GMEM. The
> original name implied that the feature only supported "private" memory.
> However, CONFIG_KVM_PRIVATE_MEM enables guest_memfd in general, which is
> not exclusively for private memory. Subsequent patches in this series
> will add guest_memfd support for non-CoCo VMs, whose memory is not
> private.
>
> Renaming the Kconfig option to CONFIG_KVM_GMEM more accurately reflects
> its broader scope as the main Kconfig option for all guest_memfd-backed
> memory. This provides clearer semantics for the option and avoids
> confusion as new features are introduced.
>
> Reviewed-by: Ira Weiny<ira.weiny@intel.com>
> Reviewed-by: Gavin Shan<gshan@redhat.com>
> Reviewed-by: Shivank Garg<shivankg@amd.com>
> Reviewed-by: Vlastimil Babka<vbabka@suse.cz>
> Co-developed-by: David Hildenbrand<david@redhat.com>
> Signed-off-by: David Hildenbrand<david@redhat.com>
> Signed-off-by: Fuad Tabba<tabba@google.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
next prev parent reply other threads:[~2025-07-16 3:44 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-15 9:33 [PATCH v14 00/21] KVM: Enable host userspace mapping for guest_memfd-backed memory for non-CoCo VMs Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 01/21] KVM: Rename CONFIG_KVM_PRIVATE_MEM to CONFIG_KVM_GMEM Fuad Tabba
2025-07-16 3:43 ` Xiaoyao Li [this message]
2025-07-15 9:33 ` [PATCH v14 02/21] KVM: Rename CONFIG_KVM_GENERIC_PRIVATE_MEM to CONFIG_KVM_GENERIC_GMEM_POPULATE Fuad Tabba
2025-07-16 4:08 ` Xiaoyao Li
2025-07-16 8:11 ` Fuad Tabba
2025-07-16 8:31 ` Xiaoyao Li
2025-07-16 10:25 ` David Hildenbrand
2025-07-16 11:02 ` Xiaoyao Li
2025-07-16 11:05 ` Fuad Tabba
2025-07-16 11:15 ` David Hildenbrand
2025-07-16 12:01 ` Xiaoyao Li
2025-07-16 12:13 ` Fuad Tabba
2025-07-16 12:14 ` David Hildenbrand
2025-07-16 12:24 ` Fuad Tabba
2025-07-16 12:39 ` Xiaoyao Li
2025-07-16 12:54 ` Fuad Tabba
2025-07-16 12:59 ` David Hildenbrand
2025-07-15 9:33 ` [PATCH v14 03/21] KVM: Introduce kvm_arch_supports_gmem() Fuad Tabba
2025-07-16 5:07 ` Xiaoyao Li
2025-07-15 9:33 ` [PATCH v14 04/21] KVM: x86: Introduce kvm->arch.supports_gmem Fuad Tabba
2025-07-16 5:18 ` Xiaoyao Li
2025-07-17 0:12 ` Ackerley Tng
2025-07-17 1:48 ` Xiaoyao Li
2025-07-17 8:49 ` Fuad Tabba
2025-07-17 9:00 ` Xiaoyao Li
2025-07-17 16:50 ` Ackerley Tng
2025-07-17 16:59 ` Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 05/21] KVM: Rename kvm_slot_can_be_private() to kvm_slot_has_gmem() Fuad Tabba
2025-07-16 5:19 ` Xiaoyao Li
2025-07-15 9:33 ` [PATCH v14 06/21] KVM: Fix comments that refer to slots_lock Fuad Tabba
2025-07-16 5:20 ` Xiaoyao Li
2025-07-15 9:33 ` [PATCH v14 07/21] KVM: Fix comment that refers to kvm uapi header path Fuad Tabba
2025-07-16 5:24 ` Xiaoyao Li
2025-07-15 9:33 ` [PATCH v14 08/21] KVM: guest_memfd: Allow host to map guest_memfd pages Fuad Tabba
2025-07-16 5:40 ` Xiaoyao Li
2025-07-16 8:15 ` Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 09/21] KVM: guest_memfd: Track guest_memfd mmap support in memslot Fuad Tabba
2025-07-16 6:10 ` Xiaoyao Li
2025-07-16 8:21 ` Fuad Tabba
2025-07-16 8:52 ` Xiaoyao Li
2025-07-16 10:31 ` David Hildenbrand
2025-07-16 10:59 ` Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 10/21] KVM: x86/mmu: Generalize private_max_mapping_level x86 op to max_mapping_level Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 11/21] KVM: x86/mmu: Allow NULL-able fault in kvm_max_private_mapping_level Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 12/21] KVM: x86/mmu: Consult guest_memfd when computing max_mapping_level Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 13/21] KVM: x86/mmu: Handle guest page faults for guest_memfd with shared memory Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 14/21] KVM: x86: Enable guest_memfd mmap for default VM type Fuad Tabba
2025-07-16 10:32 ` David Hildenbrand
2025-07-15 9:33 ` [PATCH v14 15/21] KVM: arm64: Refactor user_mem_abort() Fuad Tabba
2025-07-16 10:36 ` David Hildenbrand
2025-07-16 11:26 ` Fuad Tabba
2025-07-16 15:08 ` Marc Zyngier
2025-07-15 9:33 ` [PATCH v14 16/21] KVM: arm64: Handle guest_memfd-backed guest page faults Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 17/21] KVM: arm64: nv: Handle VNCR_EL2-triggered faults backed by guest_memfd Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 18/21] KVM: arm64: Enable host mapping of shared guest_memfd memory Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 19/21] KVM: Introduce the KVM capability KVM_CAP_GMEM_MMAP Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 20/21] KVM: selftests: Do not use hardcoded page sizes in guest_memfd test Fuad Tabba
2025-07-15 9:33 ` [PATCH v14 21/21] KVM: selftests: guest_memfd mmap() test when mmap is supported Fuad Tabba
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