Op 04-05-18 om 16:10 schreef Daniel Vetter:
> Many drivers have a trivial implementation for ->enable_signaling.
> Let's make it optional by assuming that signalling is already
> available when the callback isn't present.
>
> v2: Don't do the trick to set the ENABLE_SIGNAL_BIT
> unconditionally, it
Many drivers have a trivial implementation for ->enable_signaling.
Let's make it optional by assuming that signalling is already
available when the callback isn't present.
v2: Don't do the trick to set the ENABLE_SIGNAL_BIT
unconditionally, it results in an expensive spinlock take for
everyone. In