Re: [PATCH v4 4/4] pseries/mobility: set NMI watchdog factor during LPM

2022-07-13 Thread Randy Dunlap
Hi, On 7/13/22 03:56, Laurent Dufour wrote: > Le 12/07/2022 à 18:25, Randy Dunlap a écrit : >> Hi-- >> >> On 7/12/22 07:32, Laurent Dufour wrote: >>> >>> Reviewed-by: Nicholas Piggin >>> Signed-off-by: Laurent Dufour >>> --- >>> Documentation/admin-guide/sysctl/kernel.rst | 12 ++ >>>

Re: [PATCH v4 4/4] pseries/mobility: set NMI watchdog factor during LPM

2022-07-13 Thread Laurent Dufour
Le 12/07/2022 à 18:25, Randy Dunlap a écrit : > Hi-- > > On 7/12/22 07:32, Laurent Dufour wrote: >> During a LPM, while the memory transfer is in progress on the arrival side, >> some latencies is generated when accessing not yet transferred pages on the > > are > >> arrival

Re: [PATCH v4 4/4] pseries/mobility: set NMI watchdog factor during LPM

2022-07-12 Thread Randy Dunlap
Hi-- On 7/12/22 07:32, Laurent Dufour wrote: > During a LPM, while the memory transfer is in progress on the arrival side, > some latencies is generated when accessing not yet transferred pages on the are > arrival side. Thus, the NMI watchdog may be triggered too frequently,

[PATCH v4 4/4] pseries/mobility: set NMI watchdog factor during LPM

2022-07-12 Thread Laurent Dufour
During a LPM, while the memory transfer is in progress on the arrival side, some latencies is generated when accessing not yet transferred pages on the arrival side. Thus, the NMI watchdog may be triggered too frequently, which increases the risk to hit a NMI interrupt in a bad place in the