Re: [PATCH 1/3] ARM: cpu: suppress arm_early_mmu_cache_invalidate if dcache enabled

Hello Lucas,

On 7/7/26 7:20 PM, Ahmad Fatoum wrote:
>> Also, by moving the call to a later point in the init flow later in the
>> series, are you sure that the invalidate happens before the I cache
>> gets enabled in arm_cpu_lowlevel_init()?
> arm_cpu_lowlevel_init() invalidates I cache on ARMv6 and ARMv7.
> I believe on ARMv8, it's not necessary?
> 
> Interestingly, for ARMv8, I-Cache looks like it is only enabled early
> for EL3, but for EL2/1, it's enabled in mmu_early_enable(). Any reason
> for that?

Any thoughts on this?

Cheers,
Ahmad


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