Re: [PATCH v10 21/41] KVM: guest_memfd: Enable INIT_SHARED on guest_memfd for x86 Coco VMs
Binbin Wu <[email protected]>
| Newsgroups | org.kernel.vger.kvm,dev.linux.lists.linux-coco,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest,org.kernel.vger.linux-trace-kernel,org.kvack.linux-mm |
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| Message-ID | <[email protected]> |
On 8/8/2026 5:53 AM, Ackerley Tng via B4 Relay wrote: > From: Sean Christopherson <[email protected]> > > Now that guest_memfd supports tracking private vs. shared within gmem > itself, allow userspace to specify INIT_SHARED on a guest_memfd instance > for x86 Confidential Computing (CoCo) VMs, so long as in-place conversion > is enabled, i.e. when it's actually possible for a guest_memfd instance to > contain shared memory. > > Signed-off-by: Sean Christopherson <[email protected]> > Reviewed-by: Fuad Tabba <[email protected]> > Reviewed-by: Xiaoyao Li <[email protected]> > Tested-by: Shivank Garg <[email protected]> > Signed-off-by: Ackerley Tng <[email protected]> Reviewed-by: Binbin Wu <[email protected]>