Re: [PATCH] KVM: x86: switch hugepage recovery thread to vhost_task

Tejun Heo
2024-11-08T16:53:47Z

On Fri, Nov 08, 2024 at 08:07:37AM -0500, Paolo Bonzini wrote:
...
> Since the worker kthread is tied to a user process, it's better if
> it behaves similarly to user tasks as much as possible, including
> being able to send SIGSTOP and SIGCONT. In fact, vhost_task is all
> that kvm_vm_create_worker_thread() wanted to be and more: not only it
> inherits the userspace process's cgroups, it has other niceties like
> being parented properly in the process tree. Use it instead of the
> homegrown alternative.

Didn't about vhost_task. That looks perfect. From cgroup POV:

Acked-by: Tejun Heo <tj@kernel.org>

Thanks.

--
tejun