Messages in this thread | | | Date | Tue, 19 Nov 2019 08:20:46 -0500 | From | Sasha Levin <> | Subject | Re: [PATCH] drivers/hv: Replace binary semaphore with mutex |
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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@suse.de>
Queued up for hyperv-next, thank you.
-- Thanks, Sasha
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