Re: [PATCH v4 0/2] KVM: powerpc: Use generic xfer to guest work function

On Thu, 09 Jul 2026 14:51:38 +0530, Vishal Chourasia wrote:
> This series fixes a KVM scheduling bug on Book3S HV where a guest VM
> under a cpu.max bandwidth limit can run arbitrarily past its quota and
> then appear frozen for minutes afterwards.
> 
> == Problem ==
> 
> Since commit 2cd571245b43 ("sched/fair: Add related data structure for
> task based throttle"), merged in v6.18, CFS bandwidth throttling no
> longer dequeues a task directly. Instead it queues a task_work item via
> task_work_add(..., TWA_RESUME), sets TIF_NOTIFY_RESUME, and relies on
> that work running on the return path to actually dequeue the task.
> 
> [...]

Applied to powerpc/next.

[1/2] KVM: powerpc: Use generic xfer to guest work function
      https://git.kernel.org/powerpc/c/12013e3d4695721ef83b2e32fdfd20e2eb9b0cc9
[2/2] powerpc: enable to run posix cpu timers in task context
      https://git.kernel.org/powerpc/c/c2c8844316a12c2e1a3314e4f021815dd7fc7b47

cheers