Re: [PATCH v2 00/35] PREEMPT_AUTO: support lazy rescheduling

Sean Christopherson
2024-06-05T15:44:52Z

On Mon, May 27, 2024, Ankur Arora wrote:
> Patches 1,2
> "sched/core: Move preempt_model_*() helpers from sched.h to preempt.h"
> "sched/core: Drop spinlocks on contention iff kernel is preemptible"
> condition spin_needbreak() on the dynamic preempt_model_*().

...

> Not really required but a useful bugfix for PREEMPT_DYNAMIC and PREEMPT_AUTO.
> Sean Christopherson (2):
> sched/core: Move preempt_model_*() helpers from sched.h to preempt.h
> sched/core: Drop spinlocks on contention iff kernel is preemptible

Peter and/or Thomas, would it be possible to get these applied to tip-tree sooner
than later? They fix a real bug that affects KVM to varying degrees.