epoch(9): Remove the under-development note

There has not been planned changes so far to the interface. Remove the
section as it may not be relevant anymore.

Sponsored by: Juniper Networks, Inc.
Re

epoch(9): Remove the under-development note

There has not been planned changes so far to the interface. Remove the
section as it may not be relevant anymore.

Sponsored by: Juniper Networks, Inc.
Reviewed by: glebius
Differential Revision: https://reviews.freebsd.org/D44501

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Remove $FreeBSD$: two-line nroff pattern

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

callout(9): adopt old references to timeout(9)

timeout(9) was removed a couple of years ago; all consumers now use the
callout(9) interface.

Explicitly do not bump .Dd anywhere, as this is not a co

callout(9): adopt old references to timeout(9)

timeout(9) was removed a couple of years ago; all consumers now use the
callout(9) interface.

Explicitly do not bump .Dd anywhere, as this is not a content or
semantic change.

Reviewed by: markj, jhb, Pau Amma <pauamma@gundo.com>
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D39136

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Fix a slew of mdoc warnings/errors.

epoch(9): Fix a few mandoc related issues

- sections out of conventional order: Sh EXAMPLES
- sections out of conventional order: Sh SEE ALSO
- skipping end of block that is not open: El

Fix typo in r360492:

appeard -> appeared

Reported by: trasz (via IRC)

Add HISTORY sections to disk(9), driver(9), and
epoch(9).

In one instance, remove a trailing whitespace while here.

Submitted by: gbergling_gmail.com
Approved by: bcr
Differential Revision: https:/

Add HISTORY sections to disk(9), driver(9), and
epoch(9).

In one instance, remove a trailing whitespace while here.

Submitted by: gbergling_gmail.com
Approved by: bcr
Differential Revision: https://reviews.freebsd.org/D24243

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Merge ^/head r356931 through r357118.

Change argument order of epoch_call() to more natural, first function,
then its argument.

A miss from r356826.

epoch.9: Add missing functions, clean up documentation

Various rototilling.

MFHead @r350386

Sponsored by: The FreeBSD Foundation

Implement API for draining EPOCH(9) callbacks.

The epoch_drain_callbacks() function is used to drain all pending
callbacks which have been invoked by prior epoch_call() function calls
on the same ep

Implement API for draining EPOCH(9) callbacks.

The epoch_drain_callbacks() function is used to drain all pending
callbacks which have been invoked by prior epoch_call() function calls
on the same epoch. This function is useful when there are shared
memory structure(s) referred to by the epoch callback(s) which are not
refcounted and are rarely freed. The typical place for calling this
function is right before freeing or invalidating the shared
resource(s) used by the epoch callback(s). This function can sleep and
is not optimized for performance.

Differential Revision: https://reviews.freebsd.org/D20109
MFC after: 1 week
Sponsored by: Mellanox Technologies

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Merge ^/head r339813 through r340125.

Add a note that epoch(9) may change, to untie our hands for any future MFCs.

epoch(9): Fix man page typo

Submitted by: se
Reported by: se

epoch(9): update in_epoch() description as well

epoch(9): update man page for r335924

Fix spelling of "reclamation".

epoch.9: bump Dd

ref D15961

epoch.9: fix some style and speeling issues

Reported by: Yutaro Hayakawa <yhayakawa3720@gmail.com> (spelling)
Differential Revision: https://reviews.freebsd.org/D15961

epoch(9): Make epochs non-preemptible by default

There are risks associated with waiting on a preemptible epoch section.
Change the name to make them not be the default and document the issue
under

epoch(9): Make epochs non-preemptible by default

There are risks associated with waiting on a preemptible epoch section.
Change the name to make them not be the default and document the issue
under CAVEATS.

Reported by: markj

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epoch(9): fix error in example and update API reference

Submitted by: hps
Approved by: sbruno

Add epoch(9) man page

Reviewed by: gallatin@
Approved by: sbruno@