machine/mutex.h: Sprinkle sys/types.h, omit machine/lock.h.

Turns out machine/lock.h is not needed for __cpu_simple_lock_t, which
always comes from sys/types.h. And, really, sys/types.h (or at leas

machine/mutex.h: Sprinkle sys/types.h, omit machine/lock.h.

Turns out machine/lock.h is not needed for __cpu_simple_lock_t, which
always comes from sys/types.h. And, really, sys/types.h (or at least
sys/stdint.h) is needed for uintN_t and uintptr_t.

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machine/mutex.h: Sprinkle includes so this can be used by crash(8).

XXX pullup-10

Nix now-unused definitions of MUTEX_GIVE/MUTEX_RECEIVE.

Remove clause 3 and 4 from TNF licenses

Include psl.h to provide the details of ipl_cookie_t

Make sparc use atomic_cas_ulong() for mutex and rwlock operations, and
disable the custom mutex/rwlock code. PR port-sparc/37930. ok martin@

Merge vmlocking2 to head.

make kmutex_t and krwlock_t smaller by killing lock id.
ok'ed by Andrew Doran.

Merge the ppcoea-renovation branch to HEAD.

This branch was a major cleanup and rototill of many of the various OEA
cpu based PPC ports that focused on sharing as much code as possible
between the v

Merge the ppcoea-renovation branch to HEAD.

This branch was a major cleanup and rototill of many of the various OEA
cpu based PPC ports that focused on sharing as much code as possible
between the various ports to eliminate near-identical copies of files in
every tree. Additionally there is a new PIC system that unifies the
interface to interrupt code for all different OEA ppc arches. The work
for this branch was done by a variety of people, too long to list here.

TODO:
bebox still needs work to complete the transition to -renovation.
ofppc still needs a bunch of work, which I will be looking at.
ev64260 still needs to be renovated
amigappc was not attempted.

NOTES:
pmppc was removed as an arch, and moved to a evbppc target.

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disable mutex_spin_enter() & mutex_spin_exit() as they are currently
broken and cause MULTIPROCESSOR kernels to hang while entering
userland boot up.

Add MUTEX_CLEAR_WAITERS().

Merge newlock2 to head.