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Jonathan T. Looney 44b71282b5 When running with INVARIANTS, the kernel contains extra checks. However,
these assumptions may not hold true once we've panic'd. Therefore, the
checks hold less value after a panic.  Additionally, if one of the checks
fails while we are already panic'd, this creates a double-panic which can
interfere with debugging the original panic.

Therefore, this commit allows an administrator to suppress a response to
KASSERT checks after a panic by setting a tunable/sysctl.  The
tunable/sysctl (debug.kassert.suppress_in_panic) defaults to being
enabled.

Reviewed by:	kib
Sponsored by:	Netflix, Inc.
Differential Revision:	https://reviews.freebsd.org/D12920
2018-04-21 17:05:00 +00:00
bin expr(1): Fix overflow detection when operand is INTMAX_MIN 2018-04-14 04:35:10 +00:00
cddl MFV man pages update from r329502: 7614 zfs device evacuation/removal. 2018-04-17 02:33:54 +00:00
contrib lldb: propagate error to user if memory read fails 2018-04-21 00:34:46 +00:00
crypto Merge OpenSSL 1.0.2o. 2018-03-27 17:17:58 +00:00
etc Add cfumass rc script, to create a LUN for cfumass(4). 2018-04-21 14:56:41 +00:00
gnu i386 4/4G split. 2018-04-13 20:30:49 +00:00
include pthread.h: minor indentation cleanups. 2018-04-04 15:16:04 +00:00
kerberos5 various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
lib Recommit r332501, with an additional upstream fix for "Cannot lower 2018-04-20 18:20:55 +00:00
libexec tftpd: misc Coverity cleanup in the tests 2018-03-22 14:51:05 +00:00
release Increase the msdosfs partition size on arm SoC images where the 2018-04-18 14:34:33 +00:00
rescue Avoid referencing private lib names directly. 2017-11-10 07:53:02 +00:00
sbin Make lagg creation more fault tolerant 2018-04-17 12:54:58 +00:00
secure Merge OpenSSL 1.0.2o. 2018-03-27 17:17:58 +00:00
share Add cfumass rc script, to create a LUN for cfumass(4). 2018-04-21 14:56:41 +00:00
stand Add support for linker-type-specific flags 2018-04-19 20:58:09 +00:00
sys When running with INVARIANTS, the kernel contains extra checks. However, 2018-04-21 17:05:00 +00:00
targets Add kernel and userspace code to dump the firmware state of supported 2018-03-08 15:21:56 +00:00
tests Rename PROC_PDEATHSIG_SET -> PROC_PDEATHSIG_CTL and PROC_PDEATHSIG_GET 2018-04-20 15:19:27 +00:00
tools Fix incorrect output for a file consisting of a single full-size 2018-04-19 22:43:55 +00:00
usr.bin bsdgrep: Use grep_strdup instead of grep_malloc+strcpy 2018-04-21 14:58:45 +00:00
usr.sbin makefs: tidy up reach-over source 2018-04-20 22:23:38 +00:00
.arcconfig
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.gitattributes .git*: add gitattributes and gitignore 2017-12-25 21:07:54 +00:00
.gitignore .git*: add gitattributes and gitignore 2017-12-25 21:07:54 +00:00
COPYRIGHT Happy New Year 2018 my friends! 2017-12-31 16:48:04 +00:00
LOCKS
MAINTAINERS MAINTAINERS: add myself for Allwinner and 64bits RockChip 2018-02-26 21:50:13 +00:00
Makefile Import OpenSSL 1.0.2o. 2018-03-27 17:03:01 +00:00
Makefile.inc1 Allow -DNO_CLEAN builds across r332443. 2018-04-12 18:24:00 +00:00
Makefile.libcompat X_COMPILER_* may not be defined. 2018-01-24 18:08:37 +00:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc Remove the unused fuwintr() and suiwintr() functions. 2018-04-17 18:04:28 +00:00
README Import OpenSSL 1.0.2o. 2018-03-27 17:03:01 +00:00
README.md Fix README.md formatting. 2018-03-02 14:42:08 +00:00
UPDATING Remove support for the Arcnet protocol. 2018-04-13 21:18:04 +00:00

FreeBSD Source:

This is the top level of the FreeBSD source directory. This file was last revised on: FreeBSD

For copyright information, please see the file COPYRIGHT in this directory (additional copyright information also exists for some sources in this tree - please see the specific source directories for more information).

The Makefile in this directory supports a number of targets for building components (or all) of the FreeBSD source tree. See build(7) and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html for more information, including setting make(1) variables.

The buildkernel and installkernel targets build and install the kernel and the modules (see below). Please see the top of the Makefile in this directory for more information on the standard build targets and compile-time flags.

Building a kernel is a somewhat more involved process. See build(7), config(8), and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information.

Note: If you want to build and install the kernel with the buildkernel and installkernel targets, you might need to build world before. More information is available in the handbook.

The kernel configuration files reside in the sys/<arch>/conf sub-directory. GENERIC is the default configuration used in release builds. NOTES contains entries and documentation for all possible devices, not just those commonly used.

Source Roadmap:

bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

stand		Boot loader sources.

sys		Kernel sources.

tests		Regression tests which can be run by Kyua.  See tests/README
		for additional information.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.

For information on synchronizing your source tree with one or more of the FreeBSD Project's development branches, please see:

https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html