Messages in this thread | | | From | Evgenii Stepanov <> | Date | Tue, 9 Aug 2022 09:41:28 -0700 | Subject | Re: [PATCH] mte: Follow arm64.nomte override in MMU setup. |
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On Tue, Aug 9, 2022 at 1:50 AM Marc Zyngier <maz@kernel.org> wrote: > How comes such memory is being used? How comes it is in the linear > map? > > arm64.nomte is affecting the use of MTE feature on the platform. It > doesn't guard the use of a MTE carve-out, and doesn't allow it to be > used in any shape or form. > > To use this memory, you should remove the MTE configuration > altogether, as you cannot infer what the CPU is doing with it.
This can be used to enable MTE in TZ but not in the NS memory.
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