[src/trunk]: src/doc Add some recent changes I made.

[ad <ad%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a820a494942a
branches:  trunk
changeset: 848303:a820a494942a
user:      ad <ad%NetBSD.org@localhost>
date:      Fri Jan 24 10:15:40 2020 +0000

description:
Add some recent changes I made.

diffstat:

 doc/CHANGES |  34 +++++++++++++++++++++++++++++++++-
 1 files changed, 33 insertions(+), 1 deletions(-)

diffs (79 lines):

diff -r 6ea49526f672 -r a820a494942a doc/CHANGES
--- a/doc/CHANGES       Fri Jan 24 09:33:42 2020 +0000
+++ b/doc/CHANGES       Fri Jan 24 10:15:40 2020 +0000
@@ -1,4 +1,4 @@
-# LIST OF CHANGES FROM LAST RELEASE:                   <$Revision: 1.2642 $>
+# LIST OF CHANGES FROM LAST RELEASE:                   <$Revision: 1.2643 $>
 #
 #
 # [Note: This file does not mention every change made to the NetBSD source tree.
@@ -56,6 +56,7 @@
        bind: Import version 9.14.7. [christos 20191017]
        libc: Changed the iconv(3) function signature to the POSIX variation
                [kamil 20191024]
+       nct(4): Add Nuvoton NCT5104D GPIO driver. [ad 20191025]
        vio9p(4): Add virtio-9p front-end driver. [ozaki-r 20191028]
        mount_9p(8): Enable to mount a filesystem exported via virtio-9p.
                [ozaki-r 20191028]
@@ -73,30 +74,61 @@
                Atom C2XXX, C3XXX, Xeon D-21XX and D-15XX, C62X chipsets and
                QuickAssist Adapter 8960/8970.
                [hikaru 20191120]
+       select(2), poll(2): Performance and scalability improvements
+               [ad 20191121]
+       amd64, i386: Performance and scalability improvements for TLB
+               shootdown [ad 20191121]
        bind: Import version 9.14.8. [christos 20191127]
        terminfo: Import 20190609 [christos 20191127]
+       onewire(4), owtemp(4): Improve reliability and reduce CPU overhead
+               slightly. [ad 20191130]
+       scheduler: Improve performance and interactivity. [ad 20191201]
+       vfs: Reduce false sharing and lock overhead during normal operation.
+               [ad 20191201]
        ixl(4): Ported driver for Intel Ethernet 700 series
                [yamaguchi 20191210]
        acpi(4): Updated ACPICA to 20191213. [christos 20191214]
+       uvm: Replace red-black tree page lookup with radix tree lookup,
+               including tagging and gang lookup of pages.  Original work
+               done by yamt@. [ad 20191214]
        nsd: Import 4.2.4. [christos 20191215]
        unbound(8): Import 1.9.6. [christos 20191215]
        openpam(3): update to 20190224 (tabebuia) [christos 20191215]
        kerberos(8): Update to Heimdal-7.7.0 [christos 20191215]
        file(1): Upgraded to 5.38. [christos 20191216]
+       uvm: Replace global counters with per-CPU counters, significantly
+               reducing system time on workloads that are VM-system heavy.
+               [ad 20191216]
        anxdp(4): Add driver for Analogix DisplayPort core found in
                Rockchip RK3399. [jakllsch 20191219]
        net80211: Require SSID configuration to associate with an open AP.
                [jakllsch 20191219]
        dhcpcd(8): Import dhcpcd-8.1.4 [roy 20191220]
+       uvm: Rewrite the page allocator to be more efficient and somewhat CPU
+               topology aware.  Add preliminary NUMA support.  [ad 20191227]
        crunchgen(1): Added the ability to pass variables in the submake
                command line, and removed all command like flags that are
                not needed anymore [christos 20191229]
+       uvm: Reduce lock contention by making the maintentance of page
+               replacement state more concurrent. [ad 20191231]
        aq(4): Add Aquantia 10G network adapter driver [ryo 20200101]
        dhcpcd(8): Import dhcpcd-8.1.5 [roy 20200103]
        tmux(1): Imported 3.0a. [christos 20200106]
+       amd64, i386: Replace the global PV hash table with radix trees,
+               yielding significant performance and scalability benefits.
+               [ad 20200112]
+       amd64, i386: Use the pmap module as a source of pre-zeroed pages
+               for the VM system. [ad 20200112]
+       scheduler: Make the scheduler topology aware.  It understands and
+               makes good use of HyperThreading/SMT, spreads the load evenly
+               across different physical CPU packages, and can effectively
+               run asymmetric systems with slow and fast CPUs [ad 20200113]
        evbarm: Add support for NXP i.MX 8M family SoCs. [jmcneill 20200114]
        arm: Add support for cpu topology for ARMv7 and ARMv7 CPUs.
                [mrg 20201114]
+       uvm: More precisely track clean/dirty pages, and change how they are
+               indexed, speeding up fsync() on large files by orders of
+               magnitude.  Original work done by yamt@. [ad 20200115]
        uyurex(4): Removed from the tree. [maya 20200117]
        strip(4): Removed from the tree. [thorpej 20200118]
        hippi and esh(4): Removed from the tree. [thorpej 20200118]