Re: [PATCH v2 0/3] Updates to powerpc for robust CPU online/offline

2021-08-23 Thread Peter Zijlstra
On Mon, Aug 23, 2021 at 03:04:37PM +0530, Srikar Dronamraju wrote: > * Peter Zijlstra [2021-08-23 10:33:30]: > > > On Sat, Aug 21, 2021 at 03:55:32PM +0530, Srikar Dronamraju wrote: > > > Scheduler expects unique number of node distances to be available > > > at boot. It uses node distance to cal

Re: [PATCH v2 0/3] Updates to powerpc for robust CPU online/offline

2021-08-23 Thread Srikar Dronamraju
* Peter Zijlstra [2021-08-23 10:33:30]: > On Sat, Aug 21, 2021 at 03:55:32PM +0530, Srikar Dronamraju wrote: > > Scheduler expects unique number of node distances to be available > > at boot. It uses node distance to calculate this unique node > > distances. On Power Servers, node distances for o

Re: [PATCH v2 0/3] Updates to powerpc for robust CPU online/offline

2021-08-23 Thread Peter Zijlstra
On Sat, Aug 21, 2021 at 03:55:32PM +0530, Srikar Dronamraju wrote: > Scheduler expects unique number of node distances to be available > at boot. It uses node distance to calculate this unique node > distances. On Power Servers, node distances for offline nodes is not > available. However, Power Se

[PATCH v2 0/3] Updates to powerpc for robust CPU online/offline

2021-08-21 Thread Srikar Dronamraju
Scheduler expects unique number of node distances to be available at boot. It uses node distance to calculate this unique node distances. On Power Servers, node distances for offline nodes is not available. However, Power Servers already knows unique possible node distances. Fake the offline node's