Remove $FreeBSD$: two-line nroff pattern

Remove /^\.\\"\n\.\\"\s*\$FreeBSD\$$\n/

Cross-reference nextboot(8) and freebsd-update(8)

MFC after: 1 week

The nextboot(8) manual page currently says that the loader(8) would delete
the /boot/nextboot.conf file or its contents which is 1) not the most user-
friendly way of working with custom configuratio

The nextboot(8) manual page currently says that the loader(8) would delete
the /boot/nextboot.conf file or its contents which is 1) not the most user-
friendly way of working with custom configurations, and 2) simply not true
for both Forth and Lua implementations: they would not delete it, but just
change the setting to "NO", that is, disable it.

While at it, add one missing serial (Oxford) comma and fix some bogus line
wraps along the way.

Approved by: bcr (manpages)
Differential Revision: https://reviews.freebsd.org/D25971

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loader: zfs should support bootonce an nextboot

bootonce feature is temporary, one time boot, activated by
"bectl activate -t BE", "bectl activate -T BE" will reset the bootonce flag.

By default, t

loader: zfs should support bootonce an nextboot

bootonce feature is temporary, one time boot, activated by
"bectl activate -t BE", "bectl activate -T BE" will reset the bootonce flag.

By default, the bootonce setting is reset on attempt to boot and the next
boot will use previously active BE.

By setting zfs_bootonce_activate="YES" in rc.conf, the bootonce BE will
be set permanently active.

bootonce dataset name is recorded in boot pool labels, bootenv area.

in case of nextboot, the nextboot_enable boolean variable is recorded in
freebsd:nvstore nvlist, also stored in boot pool label bootenv area.
On boot, the loader will process /boot/nextboot.conf if nextboot_enable
is "YES", and will set nextboot_enable to "NO", preventing /boot/nextboot.conf
processing on next boot.

bootonce and nextboot features are usable in both UEFI and BIOS boot.

To use bootonce/nextboot features, the boot loader needs to be updated on disk;
if loader.efi is stored on ESP, then ESP needs to be updated and
for BIOS boot, stage2 (zfsboot or gptzfsboot) needs to be updated
(gpart or other tools).

At this time, only lua loader is updated.

Sponsored by: Netflix, Klara Inc.
Differential Revision: https://reviews.freebsd.org/D25512

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MFH

Sponsored by: The FreeBSD Foundation

Include -a in the nextboot(8) usage string.

X-MFC-With: r297772

MFH

Sponsored by: The FreeBSD Foundation

nextboot(8): add a -a option for appending to a configuration.

By default, a nextboot invocation will clobber any existing nextboot
configuration.

MFC after: 2 weeks
Relnotes: yes

Merge from head

Sponsored by: Gandi.net

Merge from head

Merge from HEAD

Catch up with head, primarily for the 1.14.4.0 firmware.

Merge ^/head r286422 through r286684.

Fix a few mandoc warnings.

MFC after: 1 week

Merge sync of head

Merge from HEAD

MFH: r278968-r280640

Sponsored by: The FreeBSD Foundation

Merge r278538 through r280226.

Document that nextboot(8) doesn't work as expected with ZFS

Differential Revision: https://reviews.freebsd.org/D2087
Submitted by: feld (request)
Reviewed by: feld
Approved by: bcr (mentor)
Sponsore

Document that nextboot(8) doesn't work as expected with ZFS

Differential Revision: https://reviews.freebsd.org/D2087
Submitted by: feld (request)
Reviewed by: feld
Approved by: bcr (mentor)
Sponsored by: ScaleEngine Inc.

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IFC @r269962

Submitted by: Anish Gupta (akgupt3@gmail.com)

Merge head from 7/28

Sync to HEAD@r269943.

use .Mt to mark up email addresses consistently (part1)

PR: 191174
Submitted by: Franco Fichtner <franco@lastsummer.de>

MFC

IFC @ r234692

sys/amd64/include/cpufunc.h
sys/amd64/include/fpu.h
sys/amd64/amd64/fpu.c
sys/amd64/vmm/vmm.c

- Add API to allow vmm FPU state init/save/restore.

FP stuff discussed with: kib