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Matt Macy d9f1b8dbf2 hwpmc: Refactor sample ring buffer handling to fix races 
Refactor sample ring buffer ring handling to make it more robust to
long running callchain collection handling

r338112 introduced a (now fixed) regression that exposed a number of race
conditions within the management of the sample buffers. This
simplifies the handling and moves the decision to overwrite a
callchain sample that has taken too long out of the NMI in to the
hardlock handler. With this change the problem no longer shows up as a
ring corruption but as the code spending all of its time in callchain
collection.

- Makes the producer / consumer index incrementing monotonic, making it
  easier (for me at least) to reason about.
- Moves the decision to overwrite a sample from NMI context to interrupt
  context where we can enforce serialization.
- Puts a time limit on waiting to collect a user callchain - putting a
  bound on head-of-line blocking causing samples to be dropped
- Removes the flush routine which was previously needed to purge
  dangling references to the pmc from the sample buffers but now is only
  a source of a race condition on unload.

Previously one could lock up or crash HEAD by running:
pmcstat -S inst_retired.any_p -T and then hitting ^C

After this change it is no longer possible.

PR:	231793
Reviewed by:	markj@
Approved by:	re (gjb@)
Differential Revision:	https://reviews.freebsd.org/D17011
2018-10-05 05:55:56 +00:00
..
disk
gpart: add fat32lba MBR partition type
2018-05-04 00:34:27 +00:00
_bitset.h
Implement several enhancements to NUMA policies.
2018-03-29 02:54:50 +00:00
_bus_dma.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_callout.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
_cpuset.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_domainset.h
Use an unsigned iterator for domain sets.
2018-10-01 18:51:39 +00:00
_ffcounter.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_iovec.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
_kstack_cache.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
_lock.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_lockmgr.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_mutex.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_null.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_pctrie.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_pthreadtypes.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_rmlock.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
_rwlock.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_semaphore.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_sigset.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
_sockaddr_storage.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
_stack.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_stdarg.h
With the fall-back hack for lint gone, I have no copyright claim on this file.
2018-05-06 21:22:46 +00:00
_stdint.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_sx.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_task.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_termios.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
_timespec.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
_timeval.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_types.h
Do not include float interfaces when using libsa.
2018-02-23 04:04:25 +00:00
_ucontext.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
_uio.h
Move uio enums to sys/_uio.h.
2018-03-27 15:20:03 +00:00
_umtx.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
_unrhdr.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
aac_ioctl.h
Fix FSACTL_GET_NEXT_ADAPTER_FIB under 32-bit compat.
2018-03-14 21:11:41 +00:00
acct.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
acl.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
agpio.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
aio.h
Fix a comment. No functional change.
2018-02-12 17:42:28 +00:00
alq.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
apm.h
…
assym.h
make critical_{enter, exit} inline
2018-07-03 01:55:09 +00:00
ata.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
atomic_common.h
Add atomic_load(9) and atomic_store(9) operations.
2017-12-19 09:59:20 +00:00
auxv.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
bio.h
Implement a 'car limit' for bioq.
2018-06-13 16:48:07 +00:00
bitset.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
bitstring.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
blist.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
boot.h
Create helper functions for parsing boot args.
2018-07-13 16:43:05 +00:00
buf_ring.h
Unhook DEBUG_BUFRING from INVARIANTS
2018-05-15 23:55:38 +00:00
buf.h
Detect and optimize reads from the hole on UFS.
2018-05-13 09:47:28 +00:00
bufobj.h
Further parallelize the buffer cache.
2018-02-20 00:06:07 +00:00
bus_dma_internal.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
bus_dma.h
Remove a trailing whitspace.
2018-02-06 19:14:15 +00:00
bus.h
Add a new device flag: DF_ATTACHED_ONCE
2018-08-23 05:06:16 +00:00
busdma_bufalloc.h
Fix compile error from r327900
2018-01-12 23:41:12 +00:00
callout.h
Allow pause_sbt() to catch signals during sleep by passing C_CATCH flag.
2018-03-03 18:36:38 +00:00
capability.h
Revert r334929
2018-06-10 19:15:38 +00:00
caprights.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
capsicum.h
kern_sendit: use pre-initialized rights
2018-05-23 01:48:09 +00:00
cdefs.h
Make the system C11 atomics headers fully compatible with external GCC.
2018-08-06 23:51:08 +00:00
cdio.h
…
cdrio.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
cfictl.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
chio.h
sys/sys/chio.h: add NetBSD RCS ID.
2017-12-28 14:26:33 +00:00
ck.h
ck: simplify interface with libkvm consumers by defining ck_queue types
2018-05-21 01:53:23 +00:00
clock.h
Add a set of convenience routines for RTC drivers to use for debug output,
2018-02-12 17:33:14 +00:00
cnv.h
libnv: Remove nvlist argument from cnvlist_{take,free}_* functions.
2018-06-18 21:26:58 +00:00
compressor.h
Add support for zstd-compressed user and kernel core dumps.
2018-02-13 19:28:02 +00:00
condvar.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
conf.h
Refactor some of the MI kernel dump code in preparation for netdump.
2018-05-06 00:22:38 +00:00
cons.h
add support for console resuming, implement it for uart, use on x86
2018-05-29 16:16:24 +00:00
consio.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
copyright.h
copyright.h: Update license text to 'THE AUTHOR'
2018-01-23 20:38:03 +00:00
counter.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
cpu.h
Introduce PMCR-based cpufreq(4) driver, for IBM POWER8 and POWER9 systems
2018-06-21 14:26:43 +00:00
cpuctl.h
Make it possible to re-evaluate cpu_features.
2018-01-05 21:06:19 +00:00
cpuset.h
Implement several enhancements to NUMA policies.
2018-03-29 02:54:50 +00:00
ctype.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
devicestat.h
devstat(9): Constify function parameters that can be const
2018-08-23 01:42:45 +00:00
devmap.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
dir.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
dirent.h
Minor comment fix d_namelen -> d_namlen
2018-06-21 16:40:07 +00:00
disk_zone.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
disk.h
SPDX: use the Beerware identifier.
2017-11-30 20:33:45 +00:00
disklabel.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
diskmbr.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
dkstat.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
dnv.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
domain.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
domainset.h
Implement several enhancements to NUMA policies.
2018-03-29 02:54:50 +00:00
dtrace_bsd.h
Pass the trap frame to fasttrap hooks.
2017-12-11 19:21:39 +00:00
dvdio.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
efi.h
Catch exceptions during EFI RT calls on amd64.
2018-09-02 21:37:05 +00:00
efiio.h
…
elf32.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
elf64.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
elf_common.h
elf_common: update ARM ABI flag names
2018-07-26 17:52:57 +00:00
elf_generic.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
elf.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
endian.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
epoch_private.h
Make epoch KBI consistent between INVARIANTS and non-INVARIANTS
2018-08-21 03:33:54 +00:00
epoch.h
Make epoch KBI consistent between INVARIANTS and non-INVARIANTS
2018-08-21 03:33:54 +00:00
errno.h
We don't need both _STAND and _STANDALONE. There's more places that
2017-12-02 00:07:09 +00:00
eui64.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
event.h
Make the definition of struct kevent in event.h match what the man page for kevent(2) says.
2018-07-18 13:04:03 +00:00
eventhandler.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
eventvar.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
exec.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
extattr.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
fail.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
fbio.h
Use unsigned intptr_t type for framebuffer addresses
2017-12-06 02:05:21 +00:00
fcntl.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
fdcio.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
file.h
Make struct xinpcb and friends word-size independent.
2018-07-05 13:13:48 +00:00
filedesc.h
Properly do a deep copy of the ioctls capability array for fget_cap().
2018-04-17 18:07:40 +00:00
filio.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
firmware.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
fnv_hash.h
…
gmon.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
gpio.h
SPDX: Fix some cases wrongly attributed to MIT.
2017-11-30 15:10:11 +00:00
gpt.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
gtaskqueue.h
iflib: mark irq allocation name parameter as constant
2018-05-29 21:56:39 +00:00
hash.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
hhook.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
iconv.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
imgact_aout.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
imgact_binmisc.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
imgact_elf.h
Avoid two suword() calls per auxarg entry.
2018-05-24 16:25:18 +00:00
imgact.h
Simplify the code to allocate stack for auxv, argv[], and environment vectors.
2018-04-19 16:00:34 +00:00
inflate.h
…
interrupt.h
Dynamically allocate IRQ ranges on x86.
2018-08-28 21:09:19 +00:00
intr.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
ioccom.h
Add _IOC_NEWLEN() and _IOC_NEWTYPE() macros.
2018-03-16 22:23:04 +00:00
ioctl_compat.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
ioctl.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
iov_schema.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
iov.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
ipc.h
Get rid of the requirement to include SysV IPC headers with _KERNEL
2018-02-16 01:33:01 +00:00
ipmi.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
jail.h
Revert r337922, except for some documention-only bits. This needs to wait
2018-08-16 19:09:43 +00:00
joystick.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
kbio.h
…
kdb.h
set kdb_why to "trap" when calling kdb_trap from trap_fatal
2018-04-19 05:06:56 +00:00
kenv.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
kern_prefetch.h
Fix build issue with const and volatile and the
2018-06-07 19:57:55 +00:00
kernel.h
Move sysinit and sysuninit linker sets in the data (writeable) section.
2018-03-21 10:26:39 +00:00
kerneldump.h
Retain offset compatibility with pre-12.0 dumps
2018-06-15 19:02:53 +00:00
khelp.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
kobj.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
kpilite.h
expose sched_{pin,unpin}_lite to tied modules
2018-07-03 04:02:40 +00:00
ksem.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
kthread.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
ktr_class.h
Drop KTR_CONTENTION.
2018-03-20 15:51:05 +00:00
ktr.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
ktrace.h
Reduce overhead of ktrace checks in the common case.
2018-05-09 00:00:47 +00:00
libkern.h
Use __builtin for various mem* and b* (e.g. bzero) routines.
2018-06-02 18:03:35 +00:00
limits.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
link_aout.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
link_elf.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
linker_set.h
Move sysinit and sysuninit linker sets in the data (writeable) section.
2018-03-21 10:26:39 +00:00
linker.h
Prepare the kernel linker to handle PC-relative ifunc relocations.
2018-08-22 20:44:30 +00:00
lock_profile.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
lock.h
inline atomics and allow tied modules to inline locks
2018-07-02 19:48:38 +00:00
lockf.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
lockmgr.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
lockstat.h
lockstat: track lockstat just like sdt probes
2018-04-24 01:04:10 +00:00
loginclass.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
mac.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
malloc.h
Eliminate false sharing in malloc due to statistic collection
2018-09-23 19:00:06 +00:00
mbuf.h
Improve handling of control message truncation.
2018-08-07 16:36:48 +00:00
mchain.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
md4.h
SPDX: some uses of the RSA-MD license.
2017-12-13 16:30:39 +00:00
md5.h
SPDX: some uses of the RSA-MD license.
2017-12-13 16:30:39 +00:00
mdioctl.h
md_pad is used by MDIOCLIST and not available for future use.
2018-03-13 20:54:18 +00:00
memdesc.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
memrange.h
…
mman.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
module_khelp.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
module.h
Reapply, with minor tweaks, r338025, from the original commit:
2018-09-26 17:12:14 +00:00
mount.h
Make it easier for filesystems to count themselves as jail-enabled,
2018-05-04 20:54:27 +00:00
mouse.h
Drop MOUSE_GETVARS and MOUSE_SETVARS ioctls support.
2018-06-10 10:23:31 +00:00
mpt_ioctl.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
mqueue.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
msg.h
Don't define struct mymsg.
2018-03-02 22:13:29 +00:00
msgbuf.h
BOOT_TAG: Make a config(5) option, expose as sysctl and loader tunable
2018-08-09 17:47:47 +00:00
mtio.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
mutex.h
inline atomics and allow tied modules to inline locks
2018-07-02 19:48:38 +00:00
namei.h
Move uio enums to sys/_uio.h.
2018-03-27 15:20:03 +00:00
nlist_aout.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
nv.h
libnv: Add nvlist_append_*_array() family of functions.
2018-06-18 22:57:32 +00:00
osd.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
param.h
Fix objcopy for little-endian MIPS64 objects.
2018-09-05 20:51:53 +00:00
pciio.h
Add ioctl to conveniently mmap a PCI device BAR into userspace.
2018-08-01 18:58:24 +00:00
pcpu.h
Don't mark module data as static on RISC-V.
2018-09-12 08:05:33 +00:00
pctrie.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
pidctrl.h
Add a generic Proportional Integral Derivative (PID) controller algorithm and
2018-02-23 22:51:51 +00:00
pioctl.h
spdx: initial adoption of licensing ID tags.
2017-11-18 14:26:50 +00:00
pipe.h
…
pmc.h
hwpmc: Refactor sample ring buffer handling to fix races
2018-10-05 05:55:56 +00:00
pmckern.h
hwpmc: Refactor sample ring buffer handling to fix races
2018-10-05 05:55:56 +00:00
pmclog.h
pmc: convert native to jsonl and track TSC value of samples
2018-06-07 02:03:22 +00:00
poll.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
posix4.h
spdx: initial adoption of licensing ID tags.
2017-11-18 14:26:50 +00:00
power.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
priority.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
priv.h
Allow to specify PCP on packets not belonging to any VLAN.
2018-03-27 15:29:32 +00:00
proc.h
Swap in WKILLED processes.
2018-08-04 20:45:43 +00:00
procctl.h
Rename PROC_PDEATHSIG_SET -> PROC_PDEATHSIG_CTL and PROC_PDEATHSIG_GET
2018-04-20 15:19:27 +00:00
procdesc.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
procfs.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
protosw.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
ptio.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
ptrace.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
queue.h
This commit brings in a new refactored TCP stack called Rack.
2018-06-07 18:18:13 +00:00
racct.h
vm: stop taking proc lock in mmap to satisfy racct if it is disabled
2018-09-18 01:24:30 +00:00
random.h
Remove the Yarrow PRNG algorithm option in accordance with due notice
2018-08-26 12:51:46 +00:00
rangelock.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
rctl.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
reboot.h
Create helper functions for parsing boot args.
2018-07-13 16:43:05 +00:00
refcount.h
ZFS vn_rele_async: catch up with the use of refcount(9) for the vnode use count
2018-03-28 08:55:31 +00:00
regression.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
resource.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
resourcevar.h
eliminate locking surrounding ui_vmsize and swap reserve by using atomics
2018-10-05 05:50:56 +00:00
rman.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
rmlock.h
Clean up the SYSINIT_FLAGS definitions for rwlock(9) and rmlock(9).
2017-11-21 14:59:23 +00:00
rtprio.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
runq.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
rwlock.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
sbuf.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
sched.h
Inlined sched_userret.
2018-05-07 23:36:16 +00:00
sdt.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
select.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
selinfo.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
sem.h
Don't declare union semun in userspace unless _WANT_SEMUN is defined.
2018-03-02 22:32:53 +00:00
sema.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
seq.h
seq: provide a comment explaining what seq is for and note 2 caveats
2018-03-28 04:38:45 +00:00
serial.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
sf_buf.h
Define PHYS_TO_DMAP() and DMAP_TO_PHYS() as panics on the architectures
2018-01-19 22:17:13 +00:00
sglist.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
shm.h
Get rid of the requirement to include SysV IPC headers with _KERNEL
2018-02-16 01:33:01 +00:00
sigio.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
signal.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
signalvar.h
vfs: __predict common case in VFS_EPILOGUE/PROLOGUE
2018-09-22 11:39:30 +00:00
sleepqueue.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
slicer.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
smp.h
Use resume_cpus() instead of restart_cpus() to resume from ACPI suspension.
2017-12-21 09:17:48 +00:00
snoop.h
Revert r327005 - SPDX tags for license similar to BSD-2-Clause.
2017-12-20 20:25:28 +00:00
sockbuf.h
Don't check rcv sockbuf limits when sending on a unix stream socket.
2018-08-04 20:26:54 +00:00
socket.h
Add SOL_SOCKET level socket option with name SO_DOMAIN to get
2018-08-21 14:04:30 +00:00
socketvar.h
Now that after r335979 the kernel addresses in API structures are
2018-08-04 00:03:21 +00:00
sockio.h
Allow to specify PCP on packets not belonging to any VLAN.
2018-03-27 15:29:32 +00:00
sockopt.h
sockopt.h: remove stale comment
2018-07-25 00:18:21 +00:00
soundcard.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
spigenio.h
Add the ioctl definitions for spigen get/set spi mode. Should have been
2018-04-07 20:53:34 +00:00
stack.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
stat.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
statvfs.h
…
stdatomic.h
Make the system C11 atomics headers fully compatible with external GCC.
2018-08-06 23:51:08 +00:00
stddef.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
stdint.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
sun_disklabel.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
sx.h
sx: remove the spurious macro value difference vs rwlocks
2018-07-12 22:34:40 +00:00
syscall.h
Regenerate after UNIMPL -> OBSOL changes in r339001.
2018-09-28 17:25:28 +00:00
syscall.mk
Revert r337922, except for some documention-only bits. This needs to wait
2018-08-16 19:09:43 +00:00
syscallsubr.h
Revert r337922, except for some documention-only bits. This needs to wait
2018-08-16 19:09:43 +00:00
sysctl.h
Reduce <sys/queue.h> pollution.
2018-05-11 00:01:43 +00:00
sysent.h
Avoid calls to syscall_thread_enter/exit for statically defined syscalls
2018-05-07 22:29:32 +00:00
syslimits.h
Remove LINK_MAX.
2018-01-05 22:26:23 +00:00
syslog.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
sysproto.h
Revert r337922, except for some documention-only bits. This needs to wait
2018-08-16 19:09:43 +00:00
systm.h
Rename hardclock_cnt() to hardclock() and remove the old implementation.
2018-09-06 02:10:59 +00:00
taskqueue.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
terminal.h
teken, vt(4): New callbacks to lock the terminal once
2018-05-16 09:01:02 +00:00
termios.h
…
thr.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
tiio.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
time.h
Make timespecadd(3) and friends public
2018-07-30 15:46:40 +00:00
timeb.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
timeet.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
timeffc.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
timepps.h
SPDX: use the Beerware identifier.
2017-11-30 20:33:45 +00:00
timers.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
times.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
timespec.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
timetc.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
timex.h
…
tree.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
tslog.h
Wrap includes in sys/tslog.h with #ifdef TSLOG.
2017-12-31 21:00:21 +00:00
tty.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
ttycom.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
ttydefaults.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
ttydevsw.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
ttydisc.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
ttyhook.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
ttyqueue.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
turnstile.h
Remove an unused argument to turnstile_unpend.
2018-06-02 22:37:53 +00:00
types.h
Make struct xinpcb and friends word-size independent.
2018-07-05 13:13:48 +00:00
ucontext.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
ucred.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
uio.h
Move uio enums to sys/_uio.h.
2018-03-27 15:20:03 +00:00
umtx.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
un.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
unistd.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
unpcb.h
Fix LOCAL_PEERCRED with socketpair(2)
2018-08-03 01:37:00 +00:00
user.h
Restore the API of the kf_sa_local and kf_sa_peer members.
2018-09-24 18:20:38 +00:00
utsname.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
uuid.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
vdso.h
sys/sys: further adoption of SPDX licensing ID tags.
2017-11-27 15:01:59 +00:00
vmem.h
Eliminate kmem_arena and kmem_object in preparation for further NUMA commits.
2017-11-28 23:40:54 +00:00
vmmeter.h
Add more NUMA-specific low memory predicates.
2018-09-24 19:24:17 +00:00
vnode.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
vtoc.h
…
wait.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
watchdog.h
make SW_WATCHDOG dynamic
2018-01-03 00:56:30 +00:00
zlib.h
SPDX: mostly fixes to previous changes.
2017-12-13 16:13:17 +00:00
zutil.h
Use __builtin for various mem* and b* (e.g. bzero) routines.
2018-06-02 18:03:35 +00:00