Re: [RFC][PATCH 2/3] locking: Annotate spin_unlock_wait() users

From: Tejun Heo
Date: Tue May 24 2016 - 12:22:16 EST


On Tue, May 24, 2016 at 09:17:13AM -0700, Linus Torvalds wrote:
> So don't talk about "acquire". And most certainly don't talk about
> "control dependencies". Not if we end up having things like *drivers*
> using this like in this example libata.

A delta but that particular libata usage is probably not needed now.
The path was used while libata was gradually adding error handlers to
the low level drivers. I don't think we don't have any left w/o one
at this point. I'll verify and get rid of that usage.