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Mark Johnston 621fd9dcb2 timecounter: Lock the timecounter list 
Timecounter registration is dynamic, i.e., there is no requirement that
timecounters must be registered during single-threaded boot.  Loadable
drivers may in principle register timecounters (which can be switched to
automatically).  Timecounters cannot be unregistered, though this could
be implemented.

Registered timecounters belong to a global linked list.  Add a mutex to
synchronize insertions and the traversals done by (mpsafe) sysctl
handlers.  No functional change intended.

Reviewed by:	imp, kib
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D32511
2021-10-18 09:56:59 -04:00
..
bus_if.m
device: add device_get_property and device_has_property
2021-09-20 17:17:57 +02:00
clock_if.m
…
cpufreq_if.m
…
device_if.m
…
firmw.S
Use a template assembly file for firmware object files.
2020-12-17 20:31:17 +00:00
genassym.sh
genassym.sh: Fix two minor issues found by shellcheck
2021-07-28 13:49:16 -06:00
genoffset.c
Merge td_epochnest with td_no_sleeping.
2019-10-29 17:28:25 +00:00
genoffset.sh
genoffset.sh: Use 10 X's instead of 5 for pick mkdtemp implementations
2021-09-07 10:08:51 -06:00
imgact_aout.c
fork: Allow ABI to specify fork return values for child.
2021-08-12 11:45:25 +03:00
imgact_binmisc.c
imgact_binmisc: limit the extent of match on incoming entries
2020-11-08 04:24:29 +00:00
imgact_elf32.c
…
imgact_elf64.c
…
imgact_elf.c
setrlimit: Take stack gap into account.
2021-10-15 10:21:47 +02:00
imgact_shell.c
…
init_main.c
fork: Allow ABI to specify fork return values for child.
2021-08-12 11:45:25 +03:00
init_sysent.c
Regen after 0dc332bff200
2021-08-05 23:22:02 +08:00
kern_acct.c
acct: Zero pad bytes in accounting records
2021-07-23 10:29:57 -04:00
kern_alq.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
kern_clock.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
kern_clocksource.c
…
kern_condvar.c
Use sleepq_signal(SLEEPQ_DROP) in cv_signal().
2021-07-09 20:57:58 -04:00
kern_conf.c
Fix handling of D_GIANTOK
2021-06-07 16:45:50 -04:00
kern_cons.c
Re-implement virtual console (constty).
2021-09-03 22:18:51 -04:00
kern_context.c
…
kern_cpu.c
Make CPU children explicitly share parent unit numbers.
2021-09-24 23:31:51 -04:00
kern_cpuset.c
domainset: Define additional global policies
2021-04-14 13:03:33 -04:00
kern_ctf.c
kern_ctf: Use zlib's uncompress function for simpler code.
2021-09-25 23:33:00 -07:00
kern_descrip.c
cache: add empty path support
2021-10-16 20:08:37 +00:00
kern_dtrace.c
dtrace: stop using eventhandlers for the part compiled into the kernel
2020-11-23 18:27:21 +00:00
kern_dump.c
minidump: De-duplicate the progress bar
2021-09-29 16:42:21 -03:00
kern_environment.c
kenv: allow listing of static kernel environments
2021-07-18 23:06:19 -05:00
kern_et.c
Remove NO_EVENTTIMERS support
2020-11-19 02:50:48 +00:00
kern_event.c
vfs: remove thread argument from VOP_STAT
2021-10-11 13:22:32 +00:00
kern_exec.c
Add userland boot profiling to TSLOG
2021-10-16 11:47:34 -07:00
kern_exit.c
Add userland boot profiling to TSLOG
2021-10-16 11:47:34 -07:00
kern_fail.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
kern_ffclock.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_fork.c
Add userland boot profiling to TSLOG
2021-10-16 11:47:34 -07:00
kern_hhook.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
kern_idle.c
…
kern_intr.c
hwpmc: fix performance issues
2021-09-23 07:15:42 +02:00
kern_jail.c
jail(9): Fix a typo in a comment
2021-09-26 15:17:41 +02:00
kern_kcov.c
kcov: Disable address and memory sanitizers in get_kinfo()
2021-09-17 14:19:05 -04:00
kern_khelp.c
…
kern_kthread.c
umtx: Split umtx.h on two counterparts.
2021-07-29 12:41:29 +03:00
kern_ktr.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
kern_ktrace.c
ktrace: Zero request structures when populating the pool
2021-07-23 10:29:53 -04:00
kern_linker.c
link_elf_obj: Invoke fini callbacks
2021-07-29 09:46:25 -04:00
kern_lock.c
lockmgr: fix lock profiling of face adaptive spinning
2021-09-18 10:16:58 +00:00
kern_lockf.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
kern_lockstat.c
Add lockmgr(9) probes to the lockstat DTrace provider.
2019-08-21 23:43:58 +00:00
kern_loginclass.c
Drop "All rights reserved" from all my stuff. This includes
2020-10-28 13:46:11 +00:00
kern_malloc.c
malloc: Unmark KASAN redzones if the full allocation size was requested
2021-10-06 16:09:41 -04:00
kern_mbuf.c
Add a switch structure for send tags.
2021-09-14 11:43:41 -07:00
kern_mib.c
jail: Consistently handle the pr_allow bitmask
2020-12-26 20:25:02 -08:00
kern_module.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
kern_mtxpool.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
kern_mutex.c
callout(9): Allow spin locks use with callout_init_mtx().
2021-09-02 21:16:46 -04:00
kern_ntptime.c
Add kern_ntp_adjtime(9).
2020-12-04 18:56:44 +00:00
kern_osd.c
osd: Fix racy assertions
2021-09-09 10:11:02 -04:00
kern_physio.c
Minor style tidy: if( -> if (
2021-04-18 11:19:15 -06:00
kern_pmc.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
kern_poll.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_priv.c
jail: Consistently handle the pr_allow bitmask
2020-12-26 20:25:02 -08:00
kern_proc.c
kdb: Handle process enumeration before procinit()
2021-08-11 14:44:22 -03:00
kern_procctl.c
procctl(2): Add PROC_WXMAP_CTL/STATUS
2021-09-17 15:42:01 +03:00
kern_prot.c
kern: fail getgroup and setgroup with negative int
2021-06-02 13:22:57 -06:00
kern_racct.c
umtx: Split umtx.h on two counterparts.
2021-07-29 12:41:29 +03:00
kern_rangelock.c
rangelock: add rangelock_cookie_assert
2019-09-15 02:59:53 +00:00
kern_rctl.c
rctl(4): support throttling resource usage to 0
2021-01-11 15:36:57 -08:00
kern_resource.c
setrlimit: Take stack gap into account.
2021-10-15 10:21:47 +02:00
kern_rmlock.c
rmlock(9): add an RM_DUPOK flag
2021-04-12 11:42:21 -03:00
kern_rwlock.c
lockprof: pass lock type as an argument instead of reading the spin flag
2021-05-23 17:55:27 +00:00
kern_sdt.c
…
kern_sema.c
…
kern_sendfile.c
socket: Remove unneeded SOLISTENING checks
2021-09-07 17:12:09 -04:00
kern_sharedpage.c
Remove bogus cast from exec_sysvec_init().
2021-07-20 09:54:09 +03:00
kern_shutdown.c
boot(9): update to match reality
2021-09-28 11:36:09 -03:00
kern_sig.c
signal: Add SIG_FOREACH and refactor issignal()
2021-10-18 09:56:58 -04:00
kern_switch.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_sx.c
lockprof: pass lock type as an argument instead of reading the spin flag
2021-05-23 17:55:27 +00:00
kern_synch.c
Add _sleep to TSLOG
2021-09-05 12:50:15 -07:00
kern_syscalls.c
Move syscall_thread_{enter,exit}() into the slow path. This is only
2020-11-08 15:54:59 +00:00
kern_sysctl.c
Escape any '.' characters in sysctl node names
2021-07-22 10:22:48 -06:00
kern_tc.c
timecounter: Lock the timecounter list
2021-10-18 09:56:59 -04:00
kern_thr.c
umtx: Split umtx.h on two counterparts.
2021-07-29 12:41:29 +03:00
kern_thread.c
amd64: eliminate td_md.md_fpu_scratch
2021-09-21 20:20:15 +03:00
kern_time.c
itimer: Serialize access to the p_itimers array
2021-08-31 16:38:05 -04:00
kern_timeout.c
callout(9): Allow spin locks use with callout_init_mtx().
2021-09-02 21:16:46 -04:00
kern_tslog.c
TSLOG: Report final execname, not first
2021-10-17 13:36:38 -07:00
kern_ubsan.c
ubsan: Fix a typo in an error message
2021-09-25 11:47:24 +02:00
kern_umtx.c
umtx: Split do_unlock_pi on two counterparts.
2021-07-29 12:47:39 +03:00
kern_uuid.c
validate_uuid: absorb the rest of parse_uuid with a flags arg
2020-04-15 18:39:12 +00:00
kern_xxx.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
ksched.c
…
link_elf_obj.c
link_elf_obj: Invoke fini callbacks
2021-07-29 09:46:25 -04:00
link_elf.c
Add pmap_change_prot on arm64
2021-10-11 10:26:45 +01:00
linker_if.m
…
Make.tags.inc
Bring the tags and links entries for amd64 up to date.
2021-09-27 20:04:51 -07:00
Makefile
syscalls.master: switch to CAPENABLED flags
2021-09-01 21:58:16 +01:00
md4c.c
…
md5c.c
…
msi_if.m
Remove "All Rights Reserved" from FreeBSD Foundation sys/ copyrights
2021-08-08 10:42:24 -04:00
p1003_1b.c
…
pic_if.m
…
posix4_mib.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
sched_4bsd.c
umtx: Split umtx.h on two counterparts.
2021-07-29 12:41:29 +03:00
sched_ule.c
sched_ule(4): Fix possible significance loss.
2021-10-02 00:09:45 -04:00
serdev_if.m
…
stack_protector.c
…
subr_acl_nfs4.c
Drop "All rights reserved" from all my stuff. This includes
2020-10-28 13:46:11 +00:00
subr_acl_posix1e.c
vfs: remove the obsolete privused argument from vaccess
2020-08-05 09:27:03 +00:00
subr_asan.c
Add interceptors for atomic operations on userspace memory
2021-07-29 21:14:36 -04:00
subr_atomic64.c
emulated atomic64: disable interrupts as the lock mechanism on !SMP
2020-01-03 18:29:20 +00:00
subr_autoconf.c
Add run_interrupt_driven_config_hooks to TSLOG
2021-09-05 12:45:29 -07:00
subr_blist.c
blist: Correct the node count computed in blist_create()
2021-07-13 17:47:27 -04:00
subr_boot.c
…
subr_bufring.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
subr_bus_dma.c
busdma: Add KMSAN integration
2021-08-10 21:27:54 -04:00
subr_bus.c
bus: Cleanup device_probe_child()
2021-09-24 20:34:56 -04:00
subr_busdma_bufalloc.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
subr_capability.c
Remove "All Rights Reserved" from FreeBSD Foundation sys/ copyrights
2021-08-08 10:42:24 -04:00
subr_clock.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
subr_compressor.c
clamp kernel dump compression level when using gzip
2020-02-20 23:53:48 +00:00
subr_counter.c
Rationalize per-cpu zones.
2020-11-05 15:08:56 +00:00
subr_coverage.c
kcov: Integrate with KMSAN
2021-09-14 14:29:27 -04:00
subr_csan.c
Simplify kernel sanitizer interceptors
2021-07-29 21:13:32 -04:00
subr_devmap.c
riscv: Implement pmap_mapdev_attr
2021-10-17 15:31:35 +01:00
subr_devstat.c
Speed up geom_stats_resync in the presence of many devices
2021-03-02 18:33:45 -07:00
subr_disk.c
Enable bioq 'car limit' added at r335066 at 128 bios.
2020-10-26 04:04:06 +00:00
subr_dummy_vdso_tc.c
…
subr_early.c
…
subr_epoch.c
The old thread priority must be stored as part of the EPOCH(9) tracker.
2021-05-23 10:53:25 +02:00
subr_eventhandler.c
…
subr_fattime.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
subr_filter.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
subr_firmware.c
firmware(9): extend firmware_get() by a "no warn" flag.
2021-01-27 13:51:26 +00:00
subr_gtaskqueue.c
Import kernel WireGuard support
2020-11-29 19:38:03 +00:00
subr_hash.c
…
subr_hints.c
Optimize res_find().
2021-08-08 21:54:49 -04:00
subr_intr.c
intrng: remove now redundant shadow variable.
2021-07-08 08:46:41 +02:00
subr_kdb.c
kdb: Handle process enumeration before procinit()
2021-08-11 14:44:22 -03:00
subr_kobj.c
newbus: Optimize/Simplify kobj_class_compile_common a little
2021-04-21 15:37:24 -06:00
subr_lock.c
lockprof: move panic check after inspecting the state
2021-05-23 17:55:27 +00:00
subr_log.c
Document kern.log_wakeups_per_second.
2021-08-04 11:50:34 -07:00
subr_mchain.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
subr_module.c
sysctl debug.dump_modinfo should recognize font module
2021-01-08 09:24:49 +02:00
subr_msan.c
kmsan: Export kmsan_mark_mbuf() and kmsan_mark_bio()
2021-08-11 16:33:41 -04:00
subr_msgbuf.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
subr_param.c
Move mips and arm to 1000Hz by default.
2021-06-16 20:00:14 -06:00
subr_pcpu.c
Add more per-cpu zones.
2020-11-09 00:34:23 +00:00
subr_pctrie.c
Use SMR to provide safe unlocked lookup for pctries from SMR zones
2020-07-24 17:32:10 +00:00
subr_physmem.c
Add support for hw.physmem tunable for ARM/ARM64/RISC-V platforms
2020-12-03 05:39:27 +00:00
subr_pidctrl.c
…
subr_power.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
subr_prf.c
Unify console output.
2021-09-03 23:13:42 -04:00
subr_prng.c
Add prng(9) API
2020-08-13 20:48:14 +00:00
subr_prof.c
x86: remove gcov kernel support
2021-04-02 15:41:51 +03:00
subr_rangeset.c
Remove "All Rights Reserved" from FreeBSD Foundation sys/ copyrights
2021-08-08 10:42:24 -04:00
subr_rman.c
rman: fix overflow in rman_reserve_resource_bound()
2021-09-27 14:38:26 -03:00
subr_rtc.c
Address whitespace nits in subr_rtc.c
2020-09-28 17:19:57 +00:00
subr_sbuf.c
sbuf(9): Microoptimize sbuf_put_byte()
2021-10-05 14:47:38 -04:00
subr_scanf.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
subr_sfbuf.c
…
subr_sglist.c
sglist: Add sglist_append_single_mbuf().
2021-05-25 16:59:18 -07:00
subr_sleepqueue.c
When queuing ignored signal, only abort target thread' sleep if it is inside sigwait()
2021-10-06 17:05:22 +03:00
subr_smp.c
Refactor/optimize cpu_search_*().
2021-07-28 22:00:29 -04:00
subr_smr.c
Use COUNTER_U64_DEFINE_EARLY() in places where it simplifies things.
2020-03-06 19:10:00 +00:00
subr_stack.c
kern.tty_info_kstacks: add a compact format
2020-07-06 16:33:28 +00:00
subr_stats.c
stats(3): Improve t-digest merging of samples which result in mu adjustment underflow.
2021-04-02 13:17:53 +11:00
subr_syscall.c
Retire code added to support CloudABI
2021-10-10 18:24:29 +00:00
subr_taskqueue.c
callout(9): Allow spin locks use with callout_init_mtx().
2021-09-02 21:16:46 -04:00
subr_terminal.c
Remove "All Rights Reserved" from FreeBSD Foundation sys/ copyrights
2021-08-08 10:42:24 -04:00
subr_trap.c
kqueue: drain kqueue taskqueue if syscall tickled it
2021-09-07 02:43:34 +03:00
subr_turnstile.c
Use atomic loads/stores when updating td->td_state
2021-02-18 14:02:48 +00:00
subr_uio.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
subr_unit.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
subr_vmem.c
vmem: disable debug.vmem_check by default
2021-09-02 18:28:45 +00:00
subr_witness.c
witness: remove ifnet_rw
2021-08-18 08:51:26 +02:00
sys_capability.c
Enter a write sequence when updating rights.
2020-03-19 15:39:45 +00:00
sys_eventfd.c
vfs: remove thread argument from VOP_STAT
2021-10-11 13:22:32 +00:00
sys_generic.c
selsocket: handle sopoll() errors correctly
2021-10-14 00:43:48 +01:00
sys_getrandom.c
Fix a typo in r356667 comment
2020-01-12 23:52:16 +00:00
sys_pipe.c
fifos: delegate unhandled kqueue filters to underlying filesystem
2021-10-12 02:43:07 -05:00
sys_procdesc.c
vfs: remove thread argument from VOP_STAT
2021-10-11 13:22:32 +00:00
sys_process.c
Remove PT_GET_SC_ARGS_ALL
2021-09-16 20:11:27 +03:00
sys_socket.c
Stop creating socket aio kprocs during boot.
2021-10-12 14:03:07 -07:00
syscalls.c
Regen after 0dc332bff200
2021-08-05 23:22:02 +08:00
syscalls.master
syscalls.master: correct formatting issues
2021-09-01 21:58:22 +01:00
systrace_args.c
Regen after 0dc332bff200
2021-08-05 23:22:02 +08:00
sysv_ipc.c
…
sysv_msg.c
jail: Change the locking around pr_ref and pr_uref
2021-02-21 10:55:44 -08:00
sysv_sem.c
jail: Change the locking around pr_ref and pr_uref
2021-02-21 10:55:44 -08:00
sysv_shm.c
jail: Change the locking around pr_ref and pr_uref
2021-02-21 10:55:44 -08:00
tty_compat.c
…
tty_info.c
kern.tty_info_kstacks: set compact format as default
2020-07-06 16:34:15 +00:00
tty_inq.c
…
tty_outq.c
Minor style cleanup
2021-04-18 11:14:17 -06:00
tty_pts.c
vfs: remove thread argument from VOP_STAT
2021-10-11 13:22:32 +00:00
tty_tty.c
…
tty_ttydisc.c
Implement FLUSHO
2020-08-27 05:11:15 +00:00
tty.c
Re-implement virtual console (constty).
2021-09-03 22:18:51 -04:00
uipc_accf.c
Consistently use the SOLISTENING() macro
2021-06-14 17:32:27 -04:00
uipc_debug.c
…
uipc_domain.c
net: Enter a net epoch around protocol if_up/down notifications
2021-09-10 09:07:40 -04:00
uipc_ktls.c
ktls: Defer creation of threads and zones until first use.
2021-10-14 15:48:34 -07:00
uipc_mbuf2.c
m_pulldown(): Change an if () panic() into a KASSERT().
2019-11-06 22:40:19 +00:00
uipc_mbuf.c
m_dup: Handle unmapped mbufs as an input mbuf.
2021-07-26 14:09:16 -07:00
uipc_mbufhash.c
Implement mbuf hashing routines for IP over infiniband, IPoIB.
2020-10-22 09:17:56 +00:00
uipc_mqueue.c
vfs: remove thread argument from VOP_STAT
2021-10-11 13:22:32 +00:00
uipc_sem.c
vfs: remove thread argument from VOP_STAT
2021-10-11 13:22:32 +00:00
uipc_shm.c
vfs: remove thread argument from VOP_STAT
2021-10-11 13:22:32 +00:00
uipc_sockbuf.c
socket: Rename sb(un)lock() and interlock with listen(2)
2021-09-07 15:06:48 -04:00
uipc_socket.c
Re-style dfcef8771484 to keep the code and variables related to
2021-10-01 13:38:24 -07:00
uipc_syscalls.c
socket: Avoid clearing SS_ISCONNECTING if soconnect() fails
2021-09-07 17:12:09 -04:00
uipc_usrreq.c
unix: Fix a use-after-free in unp_drop()
2021-09-18 10:38:39 -04:00
vfs_acl.c
vfs: fix trivial whitespace issues which don't interefere with blame
2020-07-10 09:01:36 +00:00
vfs_aio.c
aio_aqueue(): avoid ucred leak on failure path
2021-09-24 03:18:34 +03:00
vfs_bio.c
buffer pager: allow get_blksize method to return error
2021-09-17 20:29:55 +03:00
vfs_cache.c
cache: only assert on flags when dealing with EMPTYPATH
2021-10-17 08:42:47 +00:00
vfs_cluster.c
cluster_write(): do not access buffer after it is released
2021-09-02 21:36:33 +03:00
vfs_default.c
vfs_default: Change vop_stddeallocate() from static to global
2021-08-27 18:25:44 -07:00
vfs_export.c
kern: clean up empty lines in .c and .h files
2020-09-01 22:12:32 +00:00
vfs_extattr.c
O_PATH: allow vfs_extattr syscalls
2021-10-11 20:09:49 +03:00
vfs_hash.c
vfs_hash_rehash(): require the vnode to be exclusively locked
2021-08-27 18:39:45 +03:00
vfs_init.c
VFS_QUOTACTL(9): allow implementation to indicate busy state changes
2021-05-30 14:53:47 -07:00
vfs_lookup.c
cache: add empty path support
2021-10-16 20:08:37 +00:00
vfs_mount.c
mount: Check for !VDIR mount points before handling -o emptydir
2021-10-13 09:33:35 -04:00
vfs_mountroot.c
vfs: add missing VIRF_MOUNTPOINT in vfs_mountroot_shuffle
2021-09-18 21:13:51 +02:00
vfs_subr.c
mount: Check for !VDIR mount points before handling -o emptydir
2021-10-13 09:33:35 -04:00
vfs_syscalls.c
vfs: remove thread argument from VOP_STAT
2021-10-11 13:22:32 +00:00
vfs_vnops.c
vfs: remove thread argument from VOP_STAT
2021-10-11 13:22:32 +00:00
vnode_if.src
vfs: remove thread argument from VOP_STAT
2021-10-11 13:22:32 +00:00