MFC 261861
check for defrag only when bus_dmamap_load_mbuf_sg() returns EFBIG. Comment in
qla_hw_send is moot.
MFC r259544, r259545, r259546, r259547, r259812, r259939, r260219, r260542,
    r261118, r261124, r261330:

- Add support for the MediaTek/Ralink RT3593 chipset.
- Various minor USB WLAN fixes and improvements.
MFC r261597, r261598 and r261599:

Apple touchpad manual page fixes:
- Add manual page for wsp driver
- Update atp driver manual page
- Install atp manual page for all platforms
MFC: r261584

In IPv6 code examples, use the correct v6 socket.
MFC: r261611

Add some context for the "kldload sem" command; minor other improvements.

PR:		183650
Submitted by:	Bjorn Heidotting
MFC r261824:
libutil/pw_util.3: Fix two prototypes.
MFC r261863
  Add urtwn_start_locked() to avoid unlocking during TX.
Refer newfs and growfs users to fsck_ffs instead of
fsck, the latter does not accept the referred to "-b" flag.

PR:		82720
Submitted by:	David D.W. Downey
MFC: r261701

Allow iwn2000 and iwn2030 firmware to be linked into the kernel.

PR:		184631
Submitted by:	Oliver Pinter
MFC: r261702

Update and sort the list of iwn(4) firmware.
MFC: r261838

Add a deprecation notice to nve.4 and Xref nfe.4.
MFC r257487:
Use LOG2_ID_PAGE_SIZE again for the identity mapping in regions 6 & 7.
MFC r257910:
Don't enable interrupts before we call sched_throw().
Direct commit to stable/10 to note that the nve(4) driver has been
deprecated.
MFC r258448:
Have the GPT probe return a lower priority when the MBR is not a PMBR.
MFC r259056:
Fix r203922 for "fortune -o".
MFC r259057:
Remove "Warning: file \"%s\" unreadable". It was introduced with revision
44599 and turned less than useful ever since fortunes-o.dat got removed.
MFC r259244:
Allow pmap_remove_pages() to be called for physical maps not
associated with the current thread.
MFC r259441:
Properly drain the TTY when both revoke(2) and close(2) end up closing
the TTY.
MFC r259838:
Add another HP iLO serial (console) port, found on Itanium servers.