| Subject | Re: [PATCH v3 26/28] KVM: selftests: Split out helper to allocate guest mem via memfd | From | David Woodhouse <> | Date | Mon, 28 Feb 2022 23:36:48 +0000 |
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On Sat, 2022-02-26 at 00:15 +0000, Sean Christopherson wrote: > Extract the code for allocating guest memory via memfd out of > vm_userspace_mem_region_add() and into a new helper, kvm_memfd_alloc(). > A future selftest to populate a guest with the maximum amount of guest > memory will abuse KVM's memslots to alias guest memory regions to a > single memfd-backed host region, i.e. needs to back a guest with memfd > memory without a 1:1 association between a memslot and a memfd instance. > > No functional change intended. > > Signed-off-by: Sean Christopherson <seanjc@google.com>
While we're at it, please can we make the whole thing go away and just return failure #ifndef MFD_CLOEXEC, instead of breaking the build on older userspace? [unhandled content-type:application/pkcs7-signature] |