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    SubjectRe: [PATCH 07/25] x86/sgx: Move PTE zap code to separate function
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    On Mon, 2021-12-06 at 13:30 -0800, Reinette Chatre wrote:
    > Hi Jarkko,
    >
    > On 12/4/2021 2:59 PM, Jarkko Sakkinen wrote:
    > > On Wed, Dec 01, 2021 at 11:23:05AM -0800, Reinette Chatre wrote:
    > > > The SGX reclaimer removes page table entries pointing to pages that are
    > > > moved to swap. SGX2 enables changes to pages belonging to an initialized
    > > > enclave, for example changing page permissions. Supporting SGX2 requires
    > > > this ability to remove page table entries that is available in the
    > > > SGX reclaimer code.
    > >
    > > Missing: why SGX2 requirest this?
    >
    > The above paragraph states that SGX2 needs to remove page table entries
    > because it modifies page permissions. Could you please elaborate what is
    > missing?

    It does not say why SGX2 requires an ability to remove page table entries.

    /Jarkko

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