Re: [PATCH] cpu/hotplug: Reset node state after operation

2017-10-23 Thread Tvrtko Ursulin
On 21/10/17 15:06, Thomas Gleixner wrote: The recent rework of the cpu hotplug internals changed the usage of the per cpu state->node field, but missed to clean it up after usage. So subsequent hotplug operations use the stale pointer from a previous operation and hand it into the callback func

Re: [PATCH] cpu/hotplug: Reset node state after operation

2017-10-22 Thread Peter Zijlstra
On Sat, Oct 21, 2017 at 04:06:52PM +0200, Thomas Gleixner wrote: > The recent rework of the cpu hotplug internals changed the usage of the per > cpu state->node field, but missed to clean it up after usage. > > So subsequent hotplug operations use the stale pointer from a previous > operation and

Re: [PATCH] cpu/hotplug: Reset node state after operation

2017-10-21 Thread Paul E. McKenney
On Sat, Oct 21, 2017 at 04:06:52PM +0200, Thomas Gleixner wrote: > The recent rework of the cpu hotplug internals changed the usage of the per > cpu state->node field, but missed to clean it up after usage. > > So subsequent hotplug operations use the stale pointer from a previous > operation and