Konstantin Belousov 83c001d3c2 Re-apply r306516 (by cem): ... Reduce the cost of TLB invalidation on x86 by using per-CPU completion flags Reduce contention during TLB invalidation operations by using a per-CPU completion flag, rather than a single atomically-updated variable. On a Westmere system (2 sockets x 4 cores x 1 threads), dtrace measurements show that smp_tlb_shootdown is about 50% faster with this patch; observations with VTune show that the percentage of time spent in invlrng_single_page on an interrupt (actually doing invalidation, rather than synchronization) increases from 31% with the old mechanism to 71% with the new one. (Running a basic file server workload.) Submitted by: Anton Rang <rang at acm.org> Reviewed by: cem (earlier version) Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D8041		2016-10-04 17:01:24 +00:00
..
acpica	If x86 CPU implementation of the MWAIT instruction reasonably	2015-05-09 12:28:48 +00:00
bios	Make it explicit that D_MEM cdevsw d_flag is to signify that the	2016-05-01 17:46:56 +00:00
cloudabi32	Convert pointers obtained from the threadattr_t structure with TO_PTR().	2016-08-24 10:13:18 +00:00
conf	Move the ConnectX-3 and ConnectX-2 driver from sys/ofed into sys/dev/mlx4	2016-09-30 08:23:06 +00:00
i386	Minor fixes for 160-bit disassembly:	2016-09-25 18:39:24 +00:00
ibcs2	Don't create pointless backups of generated files in "make sysent".	2016-07-28 21:29:04 +00:00
include	Re-apply r306516 (by cem):	2016-10-04 17:01:24 +00:00
isa	Remove the spic(4) driver for the Sony Vaoi Jogdial.	2016-08-19 23:39:08 +00:00
linux	Regenerate syscall provider argument strings.	2016-09-22 04:50:03 +00:00
pci	As <machine/pmap.h> is included from <vm/pmap.h>, there is no need to	2016-02-22 09:02:20 +00:00
svr4	sys: use our roundup2/rounddown2() macros when param.h is available.	2016-04-21 19:57:40 +00:00
xbox	After r261980, the local ptr variable in xbox_init() is no longer used,	2014-02-16 22:48:36 +00:00
Makefile	Delete duplicate tags entry I introduced in -r223901.	2011-07-15 17:27:26 +00:00