[PATCH v2 08/12] sched/wait: Drop WQ_FLAG_EXCLUSIVE from add_wait_queue_priority()

[Peter Zijlstra]

On Mon, May 19, 2025 at 11:55:10AM -0700, Sean Christopherson wrote:
> Drop the setting of WQ_FLAG_EXCLUSIVE from add_wait_queue_priority() to
> differentiate it from add_wait_queue_priority_exclusive().  The one and
> only user add_wait_queue_priority(), Xen privcmd's irqfd_wakeup(),
> unconditionally returns '0', i.e. doesn't actually operate in exclusive
> mode.

I find:

drivers/hv/mshv_eventfd.c:      add_wait_queue_priority(wqh, &irqfd->irqfd_wait);
drivers/xen/privcmd.c:  add_wait_queue_priority(wqh, &kirqfd->wait);

I mean, it might still be true and all, but hyperv seems to also use
this now.