Is MTX_CONTESTED evil?

[Doug White]

On Tue, 16 Mar 2004, Seigo Tanimura wrote:

> What would it be like if we axed MTX_CONTEST and let
> _mtx_unlock_sleep() wake up all of the blocked threads?

Excuse my naievete, but this sounds like it would trigger a
thundering-herd response on a heavily contested mutex (like Giant).  That
would be Bad. :)

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite at gumbysoft.com          |  www.FreeBSD.org