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Subject: Re: [PATCH v2 5/6] platform/x86: intel_tdx_attest: Add TDX Guest
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From:   Andi Kleen <ak@linux.intel.com>
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Date:   Thu, 8 Jul 2021 18:44:14 -0700
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> One allocation for the life of the driver that can have its direct map
> permissions changed rather than an allocation per-file descriptor and
> fragmenting the direct map.

The vmap() approach discussed in another mail will solve that.

-Andi