Re: [RFC, PATCH, RESEND] fs: push rcu_barrier() from deactivate_locked_super() to filesystems

[Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>]

On Fri, Jun 8, 2012 at 3:23 PM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> Note that module unload is *not* a hot path - not on any even remotely sane
> use.

Actually, I think we've had distributions that basically did a "load
pretty much everything, and let God sort it out" approach to modules.
I know some people *have* actually worried about module load/unload
performance.

Whether it is "remotely sane" I'm not going to argue for, but ..

                Linus
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