[Midnightbsd-cvs] src: sys/sys: sync with 7 stable

[laffer1 at midnightbsd.org]

Log Message:
-----------
sync with 7 stable

Modified Files:
--------------
    src/sys/sys:
        _types.h (r1.4 -> r1.5)
        (http://cvsweb.midnightbsd.org/src/sys/sys/_types.h?r1=1.4&r2=1.5)
        mutex.h (r1.3 -> r1.4)
        (http://cvsweb.midnightbsd.org/src/sys/sys/mutex.h?r1=1.3&r2=1.4)
        smp.h (r1.3 -> r1.4)
        (http://cvsweb.midnightbsd.org/src/sys/sys/smp.h?r1=1.3&r2=1.4)
        sx.h (r1.4 -> r1.5)
        (http://cvsweb.midnightbsd.org/src/sys/sys/sx.h?r1=1.4&r2=1.5)