Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/
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(cherry picked from commit 685dc743dc3b)
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix (cherry picked from commit 4d846d260e2b9a3d4d0a701462568268cbfe7a5b)
Before this device unit number match was coincidental and broke if I disabled some CPU device(s). Aside of cosmetics, for some drivers (may be considered broken) it caused talking to wrong CPUs. (cherry picked from commit d3a8f98acbf51e728411f10c5f179a30b9ca683c)
(cherry picked from commit 4cc6fe1e5b73ce540882753d918bc8208849e9e9)
Use of smp_rendezvous_cpus() instead of sched_bind() allows to not block indefinitely if target CPU is running some thread with higher priority, while all we need is single rdmsr/wrmsr instruction call. I guess it should also be much cheaper than full thread migration. MFC after: 2 weeks Sponsored by: iXsystems, Inc. (cherry picked from commit 74f80bc1af2ffd56ec290f610c80e46f768731a0)
pmc_cpuid was uninitialized for most AMD processor families. We can still populate this string for unimplemented families. Also added a CPUID_TO_STEPPING macro and converted existing code to use it. Reviewed by: mav MFC after: 2 weeks Sponsored by: iXsystems, Inc. Differential Revision: https://reviews.freebsd.org/D25673
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
This allows replacing "sys/eventfilter.h" includes with "sys/_eventfilter.h"
in other header files (e.g., sys/{bus,conf,cpu}.h) and reduces header
pollution substantially.
EVENTHANDLER_DECLARE and EVENTHANDLER_LIST_DECLAREs were moved out of .c
files into appropriate headers (e.g., sys/proc.h, powernv/opal.h).
As a side effect of reduced header pollution, many .c files and headers no
longer contain needed definitions. The remainder of the patch addresses
adding appropriate includes to fix those files.
LOCK_DEBUG and LOCK_FILE_LINE_ARG are moved to sys/_lock.h, as required by
sys/mutex.h since r326106 (but silently protected by header pollution prior
to this change).
No functional change (intended). Of course, any out of tree modules that
relied on header pollution for sys/eventhandler.h, sys/lock.h, or
sys/mutex.h inclusion need to be fixed. __FreeBSD_version has been bumped.
Only the first device will print coretemp0: <CPU On-Die Thermal Sensors> numa-domain 0 on cpu0 instead of all hyper threads Submitted by: kbowling Reviewed by: imp, sbruno Sponsored by: Limelight Networks Differential Revision: https://reviews.freebsd.org/D15727
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. 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.