[PATCH v5 4/4] pseries/mobility: set NMI watchdog factor during an LPM

Laurent Dufour ldufour at linux.ibm.com
Mon Jul 25 22:25:07 AEST 2022


Le 13/07/2022 à 22:17, Randy Dunlap a écrit :
> Hi Laurent,
> 
> On 7/13/22 08:47, Laurent Dufour wrote:
>> diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
>> index ddccd1077462..d73faa619c15 100644
>> --- a/Documentation/admin-guide/sysctl/kernel.rst
>> +++ b/Documentation/admin-guide/sysctl/kernel.rst
>> @@ -592,6 +592,18 @@ to the guest kernel command line (see
>>  Documentation/admin-guide/kernel-parameters.rst).
>>  
>>  
>> +nmi_wd_lpm_factor (PPC only)
>> +============================
>> +
>> +Factor apply to the NMI watchdog timeout (only when ``nmi_watchdog`` is
> 
>    Factor to apply to

Thanks, Randy.

Michael, could you fix that when applying the series?

Cheers,
Laurent

> 
>> +set to 1). This factor represents the percentage added to
>> +``watchdog_thresh`` when calculating the NMI watchdog timeout during an
>> +LPM. The soft lockup timeout is not impacted.
>> +
>> +A value of 0 means no change. The default value is 200 meaning the NMI
>> +watchdog is set to 30s (based on ``watchdog_thresh`` equal to 10).
> 



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