Pull up following revision(s) (requested by riastradh in ticket #16):
	sys/crypto/cprng_fast/cprng_fast.c: revision 1.7
	sys/crypto/cprng_fast/cprng_fast.c: revision 1.8
	sys/crypto/cprng_fast/cprng_fast.c: revision 1.9
	sys/crypto/cprng_fast/cprng_fast.c: revision 1.10
Access to struct cprng_fast must be consistently at IPL_VM.
Use percpu_foreach instead of manual iteration.
Move initial entropy bookkeeping out of the fast path.
Tweak cprng_fast_buf to use 32-bit unaligned writes if possible.
Pull up following revision(s) (requested by riastradh in ticket #17):
	distrib/vax/cdroms/installcd/Makefile: revision 1.9
	distrib/amd64/cdroms/Makefile.cdrom: revision 1.11
	distrib/i386/cdroms/Makefile.cdrom: revision 1.31
	distrib/sparc64/cdroms/installcd/Makefile: revision 1.19
CD images need libarchive if MKBSDTAR is yes.
Pull up following revision(s) (requested by riastradh in ticket #18):
	sys/external/bsd/drm2/ttm/ttm_agp_backend.c: revision 1.2
	sys/external/bsd/drm2/ttm/ttm_agp_backend.c: revision 1.3
	sys/external/bsd/drm2/include/linux/pci.h: revision 1.8
Fix shifts & masks in Linux pci_read_config_{word,byte}.
Use ttm_dma_tt_init in ttm_agp_tt_create so we can use ttm_bus_dma.
Zero ttm_agp objects on creation.
Pull up following revision(s) (requested by riastradh in ticket #19):
	distrib/sets/lists/debug/mi: revision 1.82
Add tar.debug and cpio.debug to lists for MKBSDTAR=yes MKDEBUG=yes.
Pull up following revision(s) (requested by riastradh in ticket #21):
	distrib/sets/lists/modules/md.amd64: revision 1.42
Add dtrace modules to amd64-xen module set list.  Hi jnemeth!
Pull up following revision(s) (requested by riastradh in ticket #22):
	sys/kern/subr_cprng.c: revision 1.25
Lock cprng->cs_lock around rndsink_request to avoid race with callback.
Pull up following revision(s) (requested by riastradh in ticket #23):
	sys/rump/librump/rumpkern/rump.c: revision 1.310
	sys/rump/librump/rumpkern/rump.c: revision 1.309
	sys/kern/init_main.c: revision 1.459
Defer cprng_fast_init until CPUs are detected.
Restore placement of percpu_init in rump_init.
Probably doesn't matter, but let's avoid needless churn around the
real bug fix.
Pull up following revision(s) (requested by mrg in ticket #24):
	sys/kern/subr_prf.c: revision 1.155
avoid calling into time code when cold, and avoid calling nanotime()
if we're not going to use the result anyway.
XXX: not necessarily the best fix, but better than crashing *early*
boot due to too-early nanotime() calls.
XXX: pullup.
Tickets 16-19 and 21-25.