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vangyzen 754af14f97 FPU init: allocate initial state from UMA to ensure alignment
The Intel Instruction Set Reference says this about the XSAVE instruction:

    Use of a destination operand not aligned to 64-byte boundary
    (in either 64-bit or 32-bit modes) results in a general-protection
    (#GP) exception.

This alignment happens naturally when all malloc buckets are powers
of two.  However, this change is necessary on some systems when
certain non-power-of-two (and non-multiple of 64) malloc buckets
are defined.

Reviewed by:	cem; kib; earlier version by jhb
MFC after:	2 weeks
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D25098
2020-06-12 21:17:56 +00:00
bin ps: remove xo_no_setlocale() call 2020-06-09 07:07:29 +00:00
cddl Restore the binary compatibility for link_map l_addr. 2020-05-21 22:24:23 +00:00
contrib MFV r362082: 2020-06-12 13:02:44 +00:00
crypto Merge OpenSSL 1.1.1g. 2020-04-21 19:38:32 +00:00
etc Restrict default /root permissions 2020-06-04 16:04:19 +00:00
gnu Remove now-unused GNU as build infrastructure 2020-06-07 13:53:23 +00:00
include Add pthread_getname_np() and pthread_setname_np() aliases for 2020-06-10 22:13:24 +00:00
kerberos5 Update Makefile.depend files 2019-12-11 17:37:53 +00:00
lib posix_spawn: fix for some custom allocator setups 2020-06-12 18:13:32 +00:00
libexec Uppercase 'dso' to indicate that it is abbreviation. 2020-06-02 17:33:10 +00:00
release release: Fix arm GPT image 2020-06-10 14:10:48 +00:00
rescue rescue: Remove useless linking with libl 2020-03-24 07:08:02 +00:00
sbin Decode the "LACP Fast Timeout" LAGG option flag 2020-06-11 22:46:08 +00:00
secure Install 32-bit libcrypto engines in /usr/lib32/engines instead of 2020-06-01 18:58:09 +00:00
share Add compat.linux.debug sysctl, to make it possible to silence down 2020-06-12 14:37:50 +00:00
stand Fix the efi serial console in the Arm models. 2020-06-10 09:31:37 +00:00
sys FPU init: allocate initial state from UMA to ensure alignment 2020-06-12 21:17:56 +00:00
targets libalias: retire cuseeme support 2020-05-16 02:29:10 +00:00
tests Skip sys.net.if_lagg_test.lacp_linkstate_destroy_stress in CI because of panic 2020-06-11 18:59:57 +00:00
tools [wlanstats] Add the per-node amsdu hardware decap'ed receive stats. 2020-06-12 06:10:27 +00:00
usr.bin Add myself (gbe) to committers-doc.dot and calendar.freebsd 2020-06-12 09:34:10 +00:00
usr.sbin Add le_read_channel_map and le_read_remote_features command 2020-06-10 05:01:00 +00:00
.arcconfig
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.cirrus.yml Cirrus-CI: increase timeout to 120m 2020-02-19 15:56:40 +00:00
.clang-format Add a basic clang-format configuration file 2019-06-07 15:23:52 +00:00
.gitattributes Add a basic clang-format configuration file 2019-06-07 15:23:52 +00:00
.gitignore .gitignore: Add LINT kernel configurations generated into SRCDIR 2019-08-10 18:22:22 +00:00
COPYRIGHT Happy New Year 2020! 2019-12-31 16:01:36 +00:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS ice(4): Introduce new driver for Intel E800 Ethernet controllers 2020-05-26 23:35:10 +00:00
Makefile Use universe-toolchain config(8) 2020-04-29 02:18:39 +00:00
Makefile.inc1 Retire BINUTILS and BINUTILS_BOOTSTRAP options 2020-06-07 00:07:21 +00:00
Makefile.libcompat Stop building libl and liby 2020-03-26 08:23:09 +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 Retire BINUTILS and BINUTILS_BOOTSTRAP options 2020-06-07 00:07:21 +00:00
README README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
README.md README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
RELNOTES RELNOTES: Post-portem note about sed(1) \x support 2020-06-08 02:42:41 +00:00
UPDATING RELNOTES and UPDATING: Document the new policy on read(2) of dirfd 2020-06-04 18:19:16 +00:00

FreeBSD Source:

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

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

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), config(8), https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html, and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information, including setting make(1) variables.

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.

sys/<arch>/conf Kernel configuration files. GENERIC is the configuration
		used in release builds. NOTES contains documentation of
		all possible entries.

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