Re: [PATCH] drivers/hv: Replace binary semaphore with mutex

[Sasha Levin]

On Fri, Nov 01, 2019 at 01:00:04PM -0700, Davidlohr Bueso wrote:
> At a slight footprint cost (24 vs 32 bytes), mutexes are more optimal
> than semaphores; it's also a nicer interface for mutual exclusion,
> which is why they are encouraged over binary semaphores, when possible.
>
> Replace the hyperv_mmio_lock, its semantics implies traditional lock
> ownership; that is, the lock owner is the same for both lock/unlock
> operations. Therefore it is safe to convert.
>
> Signed-off-by: Davidlohr Bueso <dbueso@xxxxxxx>

Queued up for hyperv-next, thank you.

--
Thanks,
Sasha