sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remov

sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

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sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

kern: clean up empty lines in .c and .h files

Merge ^/head r358269 through r358399.

Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)

r357614 added CTLFLAG_NEEDGIANT to make it easier to find nodes that are
still not MPSAFE (or already are but aren’t properly mark

Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)

r357614 added CTLFLAG_NEEDGIANT to make it easier to find nodes that are
still not MPSAFE (or already are but aren’t properly marked).
Use it in preparation for a general review of all nodes.

This is non-functional change that adds annotations to SYSCTL_NODE and
SYSCTL_PROC nodes using one of the soon-to-be-required flags.

Mark all obvious cases as MPSAFE. All entries that haven't been marked
as MPSAFE before are by default marked as NEEDGIANT

Approved by: kib (mentor, blanket)
Commented by: kib, gallatin, melifaro
Differential Revision: https://reviews.freebsd.org/D23718

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Use NULL for SYSINIT's last arg, which is a pointer type

Sponsored by: The FreeBSD Foundation

Merge ^/head r325842 through r325998.

spdx: initial adoption of licensing ID tags.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensou

spdx: initial adoption of licensing ID tags.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.

Initially, only tag files that use BSD 4-Clause "Original" license.

RelNotes: yes
Differential Revision: https://reviews.freebsd.org/D13133

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MFhead@r322451

Merge ^/head r321383 through r322397.

Make p1003_1b.aio_listio_max a tunable

p1003_1b.aio_listio_max is now a tunable. Its value is reflected in the
sysctl of the same name, and the sysconf(3) variable _SC_AIO_LISTIO_MAX.
Its value will

Make p1003_1b.aio_listio_max a tunable

p1003_1b.aio_listio_max is now a tunable. Its value is reflected in the
sysctl of the same name, and the sysconf(3) variable _SC_AIO_LISTIO_MAX.
Its value will be bounded from below by the compile-time constant
AIO_LISTIO_MAX and from above by the compile-time constant
MAX_AIO_QUEUE_PER_PROC and the tunable vfs.aio.max_aio_queue.

Reviewed by: jhb, kib
MFC after: 3 weeks
Relnotes: yes
Sponsored by: Spectra Logic Corp
Differential Revision: https://reviews.freebsd.org/D11601

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posix4_mib: Don't overrun facility_initialized array

The facility_initialized and facility arrays are the same size and were
intended to be indexed the same. I believe this mismatch was just a
typo

posix4_mib: Don't overrun facility_initialized array

The facility_initialized and facility arrays are the same size and were
intended to be indexed the same. I believe this mismatch was just a
typo/braino in r208731.

Reported by: Coverity
CID: 1017430
Sponsored by: EMC / Isilon Storage Division

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MFH

Sponsored by: The FreeBSD Foundation

Simplify AIO initialization now that it is standard.

- Mark AIO system calls as STD and remove the helpers to dynamically
register them.
- Use COMPAT6 for the old system calls with the older sigev

Simplify AIO initialization now that it is standard.

- Mark AIO system calls as STD and remove the helpers to dynamically
register them.
- Use COMPAT6 for the old system calls with the older sigevent instead of
an 'o' prefix.
- Simplify the POSIX configuration to note that AIO is always available.
- Handle AIO in the default VOP_PATHCONF instead of special casing it in
the pathconf() system call. fpathconf() is still hackish.
- Remove freebsd32_aio_cancel() as it just called the native one directly.

Reviewed by: kib
Sponsored by: Chelsio Communications
Differential Revision: https://reviews.freebsd.org/D5589

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IFC @ r224187

Integrate from head into ZFSD feature branch as of revision 224171.

Define two new sysctl node flags: CTLFLAG_CAPRD and CTLFLAG_CAPRW, which
may be jointly referenced via the mask CTLFLAG_CAPRW. Sysctls with these
flags are available in Capsicum's capability mode; o

Define two new sysctl node flags: CTLFLAG_CAPRD and CTLFLAG_CAPRW, which
may be jointly referenced via the mask CTLFLAG_CAPRW. Sysctls with these
flags are available in Capsicum's capability mode; other sysctl nodes are
not.

Flag several useful sysctls as available in capability mode, such as memory
layout sysctls required by the run-time linker and malloc(3). Also expose
access to randomness and available kernel features.

A few sysctls are enabled to support name->MIB conversion; these may leak
information to capability mode by virtue of providing resolution on names
not flagged for access in capability mode. This is, generally, not a huge
problem, but might be something to resolve in the future. Flag these cases
with XXX comments.

Submitted by: jonathan
Sponsored by: Google, Inc.

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svn+ssh://svn.freebsd.org/base/head@216199

Sync: merge r215464 through r215708 from ^/head.

Set various POSIX capability sysctls to the version of the API that is
supported rather than 1. They are supposed to return a suitable value
for sysconf(3). While here, make the fsync sysctl match

Set various POSIX capability sysctls to the version of the API that is
supported rather than 1. They are supposed to return a suitable value
for sysconf(3). While here, make the fsync sysctl match <unistd.h>.

MFC after: 1 week

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Merge svn+ssh://svn.freebsd.org/base/head@208879

MFC r208731:
Add a facility to dynamically adjust or unconfigure p1003_1b mib.
Use it to allow to tune sem_nsem_max at runtime, only when sem.ko
module is present in kernel.

Approved by: re (bz)

Add a facility to dynamically adjust or unconfigure p1003_1b mib.
Use it to allow to tune sem_nsem_max at runtime, only when sem.ko
module is present in kernel.

Requested and tested by: amdmi3
Revie

Add a facility to dynamically adjust or unconfigure p1003_1b mib.
Use it to allow to tune sem_nsem_max at runtime, only when sem.ko
module is present in kernel.

Requested and tested by: amdmi3
Reviewed by: jhb
MFC after: 3 days

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Fix mispatch of includes list; allows my kernel to build successfully.

Update #includes list.