[PATCH v2 43/52] powerpc/64s/exception: machine check early only runs in HV mode

Mahesh Jagannath Salgaonkar mahesh at linux.vnet.ibm.com
Thu Jun 20 20:57:34 AEST 2019


On 6/20/19 3:46 PM, Nicholas Piggin wrote:
> Mahesh J Salgaonkar's on June 20, 2019 7:53 pm:
>> On 2019-06-20 15:14:50 Thu, Nicholas Piggin wrote:
>>> machine_check_common_early and machine_check_handle_early only run in
>>> HVMODE. Remove dead code.
>>
>> That's not true. For pseries guest with FWNMI enabled hypervisor,
>> machine_check_common_early gets called in non-HV mode as well.
>>
>>    machine_check_fwnmi
>>      machine_check_common_early
>>        machine_check_handle_early
>>          machine_check_early
>>            pseries_machine_check_realmode
> 
> Yep, yep I was confused by the earlier patch. So we're only doing the
> early machine check path for the FWNMI case?

yes.

> 
> Thanks,
> Nick
> 



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