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freebsd-nq/sys
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Edward Tomasz Napierala e7a5b3bd05 Modify lock_delay() to increase the delay time after spinning 
Modify lock_delay() to increase the delay time after spinning,
not before.  Previously we would spin at least twice instead of once.
In NetApp's benchmarks this fixes a performance regression compared
to FreeBSD 10, which called cpu_spinwait() directly.

Reviewed By:	mjg
Sponsored by:	NetApp, Inc.
Sponsored by:	Klara, Inc.
Differential Revision:	https://reviews.freebsd.org/D27331
2021-02-25 18:55:26 +00:00
..
amd64 Limit when we call DELAY from KCSAN on amd64 2021-02-25 12:38:05 +00:00
arm Remove __XSCALE__ checks from the arm code 2021-02-19 15:31:26 +00:00
arm64 arm64: Include NUMA locality info in the CPU topology 2021-02-18 10:51:38 -05:00
bsm
cam Bump CTL block backend threads from 14 to 32 per LUN. 2021-02-23 11:03:32 -05:00
cddl Reimplement the arm64 dtrace_gethrtime(), which provides the 2021-02-19 09:00:39 +00:00
compat Use atomic loads/stores when updating td->td_state 2021-02-18 14:02:48 +00:00
conf smbios: Move smbios driver out from x86 machdep code 2021-02-23 21:17:09 +00:00
contrib ice_ddp: Update package file to 1.3.19.0 2021-02-22 18:02:19 -08:00
crypto OpenSSL: Regen assembly files for OpenSSL 1.1.1j 2021-02-17 00:35:11 -05:00
ddb ddb: just move cursor when the lexer backs up 2021-02-24 15:56:16 -08:00
dev Use pmap_qenter in the N1SDP PCIe driver 2021-02-25 12:38:05 +00:00
dts Remove DTS files for arm boards we don't support 2021-01-27 10:02:01 +00:00
fs Fix makefs bootstrap after d485c77f20 2021-02-22 17:55:45 +00:00
gdb Use atomic loads/stores when updating td->td_state 2021-02-18 14:02:48 +00:00
geom opencrypto: Introduce crypto_dispatch_async() 2021-02-08 09:19:19 -05:00
gnu Remove the old dts imported tree. 2021-01-15 20:09:55 +01:00
i386 smbios: Move smbios driver out from x86 machdep code 2021-02-23 21:17:09 +00:00
isa
kern Modify lock_delay() to increase the delay time after spinning 2021-02-25 18:55:26 +00:00
kgssapi opencrypto: Introduce crypto_dispatch_async() 2021-02-08 09:19:19 -05:00
libkern Restore the augmented strlen commentary 2021-02-08 19:15:21 +00:00
mips Add a VA_IS_CLEANMAP() macro. 2021-02-17 16:32:11 -08:00
modules smbios: Move smbios driver out from x86 machdep code 2021-02-23 21:17:09 +00:00
net bridgestp: Ensure we send STP on VLAN interfaces 2021-02-25 10:16:25 +01:00
net80211
netgraph netgraph/ng_bridge: Add counters for the first link, too 2021-02-10 19:05:37 +01:00
netinet A TCP server has to take into consideration, if TCP_NOOPT is preventing 2021-02-25 19:12:20 +01:00
netinet6 Fix crash with rtadv-originated multipath IPv6 routes. 2021-02-24 16:44:10 +00:00
netipsec Revert "SO_RERROR indicates that receive buffer overflows should be handled as errors." 2021-02-08 22:32:32 +00:00
netpfil pf: Fix osfp configuration 2021-02-18 08:38:28 +01:00
netsmb
nfs
nfsclient
nfsserver
nlm
ofed ofed: quiet gcc -Wint-in-bool-context 2021-02-24 15:56:16 -08:00
opencrypto cryptosoft: Support per-op keys for AES-GCM and AES-CCM. 2021-02-18 09:53:25 -08:00
powerpc Add a VA_IS_CLEANMAP() macro. 2021-02-17 16:32:11 -08:00
riscv Add a VA_IS_CLEANMAP() macro. 2021-02-17 16:32:11 -08:00
rpc nfs-over-tls: handle res.gid.gid_val correctly for memory allocation 2021-01-12 13:59:52 -08:00
security close_range: add audit support 2021-02-23 17:47:07 +00:00
sys atomic: add atomic_interrupt_fence() 2021-02-24 22:45:24 +02:00
teken
tests Enable running fib tests inside vnet jail. 2021-01-17 20:32:26 +00:00
tools syscalls.master: Add a new syscall type: RESERVED 2021-01-26 18:27:44 +00:00
ufs Call softdep_prealloc() before taking ffs_lock_ea(), if unlock is committing 2021-02-24 09:55:21 +02:00
vm vm pqbatch: move unmanaged page assert under pagequeue lock 2021-02-24 15:56:16 -08:00
x86 smbios: Move smbios driver out from x86 machdep code 2021-02-23 21:17:09 +00:00
xdr
xen xen: remove .swp file from public headers 2021-01-11 18:14:11 +01:00
Makefile