[PASEMI] Nemo board doesn't boot anymore after the commit "powerpc/book3s64/pkeys: Simplify pkey disable branch"

[Christian Zigotzky]

Am 10.08.20 um 10:58 schrieb Aneesh Kumar K.V:
> On 8/10/20 2:15 PM, Christian Zigotzky wrote:
>> Hello Aneesh,
>>
>> I tested the new kernel today and unfortunately it doesn't run very 
>> well.
>>
>> I have only one core (1 physical processor; 1 core; 2 threads) 
>> instead of two cores (1 physical processor; 2 cores; 2 threads) so 
>> the system is slower.
>>
>> Boot log: http://www.xenosoft.de/dmesg_nemo_board_kernel_5.9.txt
>>
>> Could you please check the updates?
>
>
> modified   arch/powerpc/mm/book3s64/hash_utils.c
> @@ -1116,7 +1116,8 @@ void hash__early_init_mmu_secondary(void)
>          tlbiel_all();
>
>  #ifdef CONFIG_PPC_MEM_KEYS
> -    mtspr(SPRN_UAMOR, default_uamor);
> +    if (mmu_has_feature(MMU_FTR_PKEY))
> +        mtspr(SPRN_UAMOR, default_uamor);
>  #endif
>  }
>  #endif /* CONFIG_SMP */
>
>
>
> -aneesh
Hello Aneesh,

Your modifications work! I have 2 cores again and I can see the boot 
messages.

Thanks a lot!

Cheers,
Christian