Update the bhyve(8) manual to reflect that it is no
longer considered 'experimental.'

Reviewed by:	grehan
MFC after:	3 days
Sponsored by:	The FreeBSD Foundation
Migrate ie->ie_assign_cpu and associated code to use an int for CPU rather
than u_char.

Migrate post_filter to use an int for a CPU rather than u_char.

Change intr_event_bind() to use an int for CPU rather than u_char.

It touches the ppc, sparc64, arm and mips machdep code but it should
(hah!) be a no-op.

Tested:

* i386, AMD64 laptops

Reviewed by:	jhb
Reprase r271616 comments.

Submitted by:	alc
MFC after:	1 month
Presence of any VM_PROT bits in the permission argument on x86 implies
that the entry is readable and valid.

Reported by:	markj
Submitted by:	alc
Tested by:	pho (previous version), markj
MFC after:	3 days
Revert unrelated changes accidentally committed in r271192.
Correct a comment
For targets that have a signed zero, lgamma_r(-0, &signgamp) should
set signgamp = -1.

Submitted by:	enh at google dot com (e_lgamma[f]_r.c)
If fgets(3) fails in getbounds(), show strerror(3) if not an EOF. Also fix
a FILE* leak in getbounds().

Submitted by:	Conrad Meyer <conrad.meyer@isilon.com>
PR:		192032
Sponsored by:	EMC / Isilon Storage Division
MFC after:	1 week
Explicitly specify MAP_SHARED when mapping the stats file descriptor.

Reviewed by:	kib
MFC after:	1 week
- Remove mention of MAP_INHERIT.  It hasn't been implemented for thirteen
  years.
- Remove mention of unimplemented MAP_SWAP.  There are no future plans to
  implement it.

Submitted by:	alc (2)