On Wed, Jan 06, 2021 at 02:03:40PM +0100, Heiner Kallweit wrote:
> Switch to lockdep_assert_held(_once), similar to what is being done
> in other subsystems. One advantage is that there's zero runtime
> overhead if lockdep support isn't enabled.
Hi Heiner
I'm not sure we are bothered about performance here. MDIO operations
are slow, a mutex check is fast relative to that.
I wonder how many do development work with lockdep enabled? I think i
prefer catching hard to find locking bugs earlier, verses a tiny
performance overhead.
Andrew
