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    SubjectRe: [PATCH v3 02/15] KVM: arm64: Provide {get,put}_page() stubs for early hyp allocator
    On Wed, Dec 01, 2021 at 05:03:56PM +0000, Quentin Perret wrote:
    > In nVHE protected mode, the EL2 code uses a temporary allocator during
    > boot while re-creating its stage-1 page-table. Unfortunately, the
    > hyp_vmmemap is not ready to use at this stage, so refcounting pages
    > is not possible. That is not currently a problem because hyp stage-1
    > mappings are never removed, which implies refcounting of page-table
    > pages is unnecessary.
    >
    > In preparation for allowing hypervisor stage-1 mappings to be removed,
    > provide stub implementations for {get,put}_page() in the early allocator.
    >
    > Signed-off-by: Quentin Perret <qperret@google.com>
    > ---
    > arch/arm64/kvm/hyp/nvhe/early_alloc.c | 5 +++++
    > 1 file changed, 5 insertions(+)

    Acked-by: Will Deacon <will@kernel.org>

    Will

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