Re: [PATCH v3 4/4] pseries/mobility: set NMI watchdog factor during LPM

2022-07-13 Thread Laurent Dufour
Le 12/07/2022 à 11:47, Laurent Dufour a écrit : > Le 12/07/2022 à 03:46, Nicholas Piggin a écrit : >> Excerpts from Laurent Dufour's message of June 27, 2022 11:53 pm: >>> During a LPM, while the memory transfer is in progress on the arrival side, >>> some latencies is generated when accessing not

Re: [PATCH v3 4/4] pseries/mobility: set NMI watchdog factor during LPM

2022-07-12 Thread Laurent Dufour
Le 12/07/2022 à 03:46, Nicholas Piggin a écrit : > Excerpts from Laurent Dufour's message of June 27, 2022 11:53 pm: >> 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, t

Re: [PATCH v3 4/4] pseries/mobility: set NMI watchdog factor during LPM

2022-07-11 Thread Nicholas Piggin
Excerpts from Laurent Dufour's message of June 27, 2022 11:53 pm: > 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

[PATCH v3 4/4] pseries/mobility: set NMI watchdog factor during LPM

2022-06-27 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 kernel,