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

Suzuki K Poulose suzuki.poulose at arm.com
Wed Jul 28 02:59:24 PDT 2021


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