From: Ackerley Tng <ackerleytng@google.com>
To: Sean Christopherson <seanjc@google.com>,
Marc Zyngier <maz@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
Paolo Bonzini <pbonzini@redhat.com>
Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
David Hildenbrand <david@redhat.com>,
Fuad Tabba <tabba@google.com>, Shivank Garg <shivankg@amd.com>,
Ashish Kalra <ashish.kalra@amd.com>,
Vlastimil Babka <vbabka@suse.cz>
Subject: Re: [PATCH v12 04/12] KVM: guest_memfd: Add slab-allocated inode cache
Date: Thu, 09 Oct 2025 14:39:07 -0700 [thread overview]
Message-ID: <diqztt07hi10.fsf@google.com> (raw)
In-Reply-To: <20251007221420.344669-5-seanjc@google.com>
Sean Christopherson <seanjc@google.com> writes:
> From: Shivank Garg <shivankg@amd.com>
>
> Add a dedicated gmem_inode structure and a slab-allocateda inode cache for
> guest memory backing, similar to how shmem handles inodes.
>
> This adds the necessary allocation/destruction functions and prepares
> for upcoming guest_memfd NUMA policy support changes. Using a dedicated
> structure will also allow for additional cleanups, e.g. to track flags in
> gmem_inode instead of i_private.
>
> Signed-off-by: Shivank Garg <shivankg@amd.com>
> Tested-by: Ashish Kalra <ashish.kalra@amd.com>
> [sean: s/kvm_gmem_inode_info/gmem_inode, name init_once()]
> Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Ackerley Tng <ackerleytng@google.com>
Tested-by: Ackerley Tng <ackerleytng@google.com>
> ---
> virt/kvm/guest_memfd.c | 77 +++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 76 insertions(+), 1 deletion(-)
>
>
> [...snip...]
>
next prev parent reply other threads:[~2025-10-09 21:39 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-07 22:14 [PATCH v12 00/12] KVM: guest_memfd: Add NUMA mempolicy support Sean Christopherson
2025-10-07 22:14 ` [PATCH v12 01/12] KVM: guest_memfd: Rename "struct kvm_gmem" to "struct gmem_file" Sean Christopherson
2025-10-08 5:25 ` Garg, Shivank
2025-10-09 21:08 ` Ackerley Tng
2025-10-10 15:07 ` David Hildenbrand
2025-10-07 22:14 ` [PATCH v12 02/12] KVM: guest_memfd: Add macro to iterate over gmem_files for a mapping/inode Sean Christopherson
2025-10-08 5:30 ` Garg, Shivank
2025-10-09 21:27 ` Ackerley Tng
2025-10-07 22:14 ` [PATCH v12 03/12] KVM: guest_memfd: Use guest mem inodes instead of anonymous inodes Sean Christopherson
2025-10-07 22:14 ` [PATCH v12 04/12] KVM: guest_memfd: Add slab-allocated inode cache Sean Christopherson
2025-10-09 21:39 ` Ackerley Tng [this message]
2025-10-09 22:16 ` Ackerley Tng
2025-10-07 22:14 ` [PATCH v12 05/12] KVM: guest_memfd: Enforce NUMA mempolicy using shared policy Sean Christopherson
2025-10-09 22:15 ` Ackerley Tng
2025-10-10 7:57 ` Garg, Shivank
2025-10-10 20:33 ` Sean Christopherson
2025-10-10 21:57 ` Ackerley Tng
2025-10-12 20:00 ` Garg, Shivank
2025-10-15 16:56 ` Sean Christopherson
2025-10-07 22:14 ` [PATCH v12 06/12] KVM: selftests: Define wrappers for common syscalls to assert success Sean Christopherson
2025-10-09 21:44 ` Ackerley Tng
2025-10-07 22:14 ` [PATCH v12 07/12] KVM: selftests: Report stacktraces SIGBUS, SIGSEGV, SIGILL, and SIGFPE by default Sean Christopherson
2025-10-09 22:31 ` Ackerley Tng
2025-10-07 22:14 ` [PATCH v12 08/12] KVM: selftests: Add additional equivalents to libnuma APIs in KVM's numaif.h Sean Christopherson
2025-10-09 22:34 ` Ackerley Tng
2025-10-07 22:14 ` [PATCH v12 09/12] KVM: selftests: Use proper uAPI headers to pick up mempolicy.h definitions Sean Christopherson
2025-10-10 17:59 ` Ackerley Tng
2025-10-07 22:14 ` [PATCH v12 10/12] KVM: selftests: Add helpers to probe for NUMA support, and multi-node systems Sean Christopherson
2025-10-07 22:14 ` [PATCH v12 11/12] KVM: selftests: Add guest_memfd tests for mmap and NUMA policy support Sean Christopherson
2025-10-09 23:08 ` Ackerley Tng
2025-10-07 22:14 ` [PATCH v12 12/12] KVM: guest_memfd: Add gmem_inode.flags field instead of using i_private Sean Christopherson
2025-10-09 20:58 ` [PATCH v12 00/12] KVM: guest_memfd: Add NUMA mempolicy support Ackerley Tng
2025-10-10 4:59 ` Garg, Shivank
2025-10-10 17:56 ` Ackerley Tng
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