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b2cb28963b
freebsd-nq/sys
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Matt Macy b2cb28963b epoch(9): fix priority handling, make callback lists pcpu, and other fixes 
- Lend priority to preempted threads in epoch_wait to handle the case
  in which we've had priority lent to us. Previously we borrowed the
  priority of the lowest priority preempted thread. (pointed out by mjg@)

- Don't attempt allocate memory per-domain on powerpc, we don't currently
  handle empty sockets (as is the case on jhibbits Talos' board).

- Handle deferred callbacks as pcpu lists and poll the lists periodically.
  Currently the interval is 1/hz.

- Drop the thread lock when adaptive spinning. Holding the lock starves
  other threads and can even lead to lockups.

- Keep a generation count pcpu so that we don't keep spining if a thread
  has left and re-entered an epoch section.

- Actually removed the callback from the callback list so that we don't
  double free. Sigh ...

Approved by:	sbruno@
2018-05-11 04:54:12 +00:00
..
amd64 Make fpusave() and fpurestore() on amd64 ifuncs. 2018-05-10 15:01:43 +00:00
arm Standardize SPDX tag on files I've added 2018-05-09 16:52:28 +00:00
arm64 arm64: Add ALT_BREAK_TO_DEBUGGER to GENERIC 2018-05-10 09:37:50 +00:00
bsm
cam Fix build for platforms using GCC: 2018-05-10 17:22:04 +00:00
cddl Eliminate the overhead of gratuitous repeated reinitialization of cap_rights 2018-05-09 18:47:24 +00:00
compat Remove "All rights reserved" from my files. 2018-05-09 20:57:18 +00:00
conf Error out on attempt to link amd64 kernel with old binutils linker 2018-05-10 20:10:02 +00:00
contrib Apply fixes in ena-com 2018-05-10 09:25:51 +00:00
crypto opencrypto: Integrate Chacha20 algorithm into OCF 2018-03-29 04:02:50 +00:00
ddb Fix PPC symbol resolution 2018-05-10 03:59:48 +00:00
dev cxgbe(4): Add fields to support configuration of hardware NAT and 2018-05-10 20:39:04 +00:00
dts arm: overlays: Update to new path-based sugar format 2018-05-04 14:38:48 +00:00
fs Eliminate the overhead of gratuitous repeated reinitialization of cap_rights 2018-05-09 18:47:24 +00:00
gdb amd64: Protect the kernel text, data, and BSS by setting the RW/NX bits 2018-03-06 14:28:37 +00:00
geom Introduce the 'n' flag for the geli attach command. 2018-05-09 20:53:38 +00:00
gnu gnu/dts: Update our copy of arm dts from Linux 4.16 2018-04-20 19:37:08 +00:00
i386 Remove unused bcopyb. 2018-05-10 02:31:54 +00:00
isa Revert r330780, it was improperly tested and results in taking a spin 2018-03-11 20:13:15 +00:00
kern epoch(9): fix priority handling, make callback lists pcpu, and other fixes 2018-05-11 04:54:12 +00:00
kgssapi kgssapi: Remove trivial deadcode 2018-02-14 00:12:03 +00:00
libkern Remove "All rights reserved" from my files. 2018-05-10 06:41:08 +00:00
mips Print the dump progress indicator after calling dump_start(). 2018-05-01 17:32:43 +00:00
modules Add simple preempt safe epoch API 2018-05-10 17:55:24 +00:00
net Slight cleanup of interface event logging. 2018-05-11 00:19:49 +00:00
net80211 Use an accessor function to access ifr_data. 2018-03-30 18:50:13 +00:00
netgraph Correct pseudo misspelling in sys/ comments 2018-02-23 18:15:50 +00:00
netinet Use the full year, for real this time. 2018-05-09 20:26:37 +00:00
netinet6 Fix a panic in the IPv6 multicast code. 2018-05-10 16:19:41 +00:00
netipsec Merge r1.22-1.23 from NetBSD: 2018-04-26 12:23:31 +00:00
netpfil Bring in some last changes in NAT64 implementation: 2018-05-09 11:59:24 +00:00
netsmb Eliminate the overhead of gratuitous repeated reinitialization of cap_rights 2018-05-09 18:47:24 +00:00
nfs Remove support for FDDI networks. 2018-04-11 17:28:24 +00:00
nfsclient style: Remove remaining deprecated MALLOC/FREE macros 2018-01-25 22:25:13 +00:00
nfsserver
nlm Use syscall_helper_register() to register syscalls and initialize though 2018-02-10 01:09:22 +00:00
ofed Improve copy-and-pasted versions of SIOCGIFADDR. 2018-03-27 20:51:49 +00:00
opencrypto cryptosoft: Do not exceed crd_len around *crypt_multi 2018-04-19 15:24:21 +00:00
powerpc No need to bzero splpar_vpa entries 2018-05-11 02:04:01 +00:00
riscv Remove the unused fuwintr() and suiwintr() functions. 2018-04-17 18:04:28 +00:00
rpc Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
security Use an accessor function to access ifr_data. 2018-03-30 18:50:13 +00:00
sparc64 Report TRAP_BRKPT for breakpoint traps on sparc64. 2018-05-09 15:25:26 +00:00
sys Reduce <sys/queue.h> pollution. 2018-05-11 00:01:43 +00:00
teken Pedantic polishing of code to please FlexeLint. 2018-04-08 19:23:50 +00:00
tests Test priority handling in epoch test. 2018-05-11 04:47:05 +00:00
tools Add dtb overlays support 2018-03-24 21:30:24 +00:00
ufs Renumber soft-update types starting at 1 instead of 0 to avoid confusion 2018-04-05 00:32:01 +00:00
vm Fix some races introduced in r332974. 2018-05-04 17:17:30 +00:00
x86 Put the CPU starting on one line. 2018-05-07 21:09:21 +00:00
xdr
xen xen: fix gntdev 2018-05-02 10:19:17 +00:00
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