Thread (5 messages) 5 messages, 3 authors, 2021-07-28

Re: [PATCH 1/1] arm64/cpufeature: Add option to disable mte support

From: Suzuki K Poulose <suzuki.poulose@arm.com>
Date: 2021-07-28 09:59:31
Also in: linux-mediatek, lkml

On 28/07/2021 10:42, yee.lee@mediatek.com wrote:
From: Yee Lee <redacted>

Add a static key to exapnd the logic of system_supports_mte().
This function controls mte enablement in both EL1 and EL0.

The static key, "arm64_mte_support" is default true and can
be disabled via the early_param.
Please could we use the id-reg override mechanism and give it
an alias ?

See :

arch/arm64/kernel/idreg-override.c

And could add something along the lines of :

arm64.nomte


Cheers
Suzuki


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