ex(4) MPSAFE patch

[M. Warner Losh]

In message: <200805281747.05475.jhb at FreeBSD.org>
            John Baldwin <jhb at freebsd.org> writes:
: I have a patch for ex(4) to make it MPSAFE.  I have no hardware to test it, 
: however.  If you value this driver, test this patch.
: 
: http://www.FreeBSD.org/~jhb/patches/ex.patch

My PC Card based ex device is still detected after these changes.
However, I foolishly forgot the dongle, so I can't test it for about a
week.

Warner