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b98ba64027
freebsd-dev/sys
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Hans Petter Selasky b98ba64027 Allow transmit packet bufring in software to be disabled. 
- Add new sysctl node to control the transmit packet bufring.

- Add optimised version of the transmit routine which output packets
directly to the DMA ring instead of using bufring in case the transmit
lock is congested. This can reduce the number of taskswitches which in
turn influence the overall system CPU usage, depending on the
workload.

- Add " TX" suffix to debug name for transmit mutexes to silence some
witness warnings about aquiring duplicate locks having same name.

MFC after:		1 week
Sponsored by:		Mellanox Technologies
Suggested by:		gallatin @
2017-01-20 15:45:21 +00:00
..
amd64 vmm_dev: work around a bogus error with gcc 6.3.0 2017-01-20 13:21:27 +00:00
arm Handle the set capabilities ioctl, letting the hardware checksum be 2017-01-19 14:58:55 +00:00
arm64 Catch up with changes to structure member names. 2017-01-17 22:05:52 +00:00
boot Remove empty ranges property so beri_simplebus can be attached again. 2017-01-18 14:41:59 +00:00
bsm
cam Remove writing 'residual' field of struct ctl_scsiio. 2017-01-17 18:32:47 +00:00
cddl MFV 312436 2017-01-20 15:01:04 +00:00
compat Catch up with changes to structure member names. 2017-01-17 22:05:52 +00:00
conf mppc - Finish pluging NETGRAPH_MPPC_COMPRESSION. 2017-01-20 00:02:11 +00:00
contrib Merge ACPICA 20170119. 2017-01-19 22:07:21 +00:00
crypto libmd: add noexec stack annotation in skein_block_asm.s 2017-01-07 19:26:25 +00:00
ddb Revert r311952. 2017-01-14 22:06:25 +00:00
dev Allow transmit packet bufring in software to be disabled. 2017-01-20 15:45:21 +00:00
fs Remove mistakenly merged field. 2017-01-19 20:03:26 +00:00
gdb
geom Report disk addition errors on add or create subcommand. 2017-01-20 13:49:04 +00:00
gnu Add Ingenic X1000 DTS files (unofficial). 2016-11-19 15:03:49 +00:00
i386 Catch up with changes to structure member names. 2017-01-17 22:05:52 +00:00
isa
kern ANSYfy kern_ktrace.c and remove archaic register keyword 2017-01-20 14:59:56 +00:00
kgssapi
libkern libkern: Remove obsolete 'register' keyword 2017-01-12 17:02:29 +00:00
mips [ar71xx] add EARLY_PRINTF support for the rest of the non-AR933x SoCs. 2017-01-15 06:35:00 +00:00
modules Use SRCTOP-relative paths to other directories instead of .CURDIR-relative ones 2017-01-20 05:45:07 +00:00
net Implement kernel support for hardware rate limited sockets. 2017-01-18 13:31:17 +00:00
net80211 [net80211] allow for MCS16-23 to be statically configured. 2017-01-20 07:43:40 +00:00
netgraph mppc - Finish pluging NETGRAPH_MPPC_COMPRESSION. 2017-01-20 00:02:11 +00:00
netinet Implement kernel support for hardware rate limited sockets. 2017-01-18 13:31:17 +00:00
netinet6 Implement kernel support for hardware rate limited sockets. 2017-01-18 13:31:17 +00:00
netipsec Add direction argument to ipsec_setspidx_inpcb() function. 2017-01-08 12:40:07 +00:00
netnatm
netpfil Initialize IPFW static rules rmlock with RM_RECURSE flag. 2017-01-17 10:50:28 +00:00
netsmb
nfs
nfsclient
nfsserver
nlm
ofed Move the ConnectX-3 and ConnectX-2 driver from sys/ofed into sys/dev/mlx4 2016-09-30 08:23:06 +00:00
opencrypto Add support for the fpu_kern(9) KPI on arm64. It hooks into the existing 2016-10-20 09:22:10 +00:00
pc98 Add a COMPAT_FREEBSD11 kernel option. 2016-12-09 18:54:12 +00:00
powerpc Use the explicit expanded form of cmp. 2017-01-18 03:42:21 +00:00
riscv Disable superpages reservations as we don't have implemented them yet. 2016-11-21 12:00:31 +00:00
rpc
security Audit 'fd' and 'cmd' arguments to fcntl(2), and when generating BSM, 2016-11-22 00:41:24 +00:00
sparc64 Trim a few comments on platforms that did not implement mmap of /dev/kmem. 2017-01-13 21:52:53 +00:00
sys Adjust gtaskqueue startup again so that we catch the !SMP case and 2017-01-19 19:58:08 +00:00
teken
tests
tools Replace using of objdump with elfdump 2017-01-10 18:46:40 +00:00
ufs ffs_vnops: Simplify extattr access 2017-01-19 16:46:05 +00:00
vm Avoid unnecessary page lookups in vm_object_madvise(). 2017-01-15 03:50:08 +00:00
x86 "Buses" is the preferred plural of "bus" 2017-01-15 17:54:01 +00:00
xdr
xen "Buses" is the preferred plural of "bus" 2017-01-15 17:54:01 +00:00
Makefile