PR/50094 CVS commit: [netbsd-9] src/sys/kern

["Martin Husemann" <martin%netbsd.org@localhost>]

The following reply was made to PR kern/50094; it has been noted by GNATS.

From: "Martin Husemann" <martin%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/50094 CVS commit: [netbsd-9] src/sys/kern
Date: Thu, 4 Feb 2021 16:57:25 +0000

 Module Name:	src
 Committed By:	martin
 Date:		Thu Feb  4 16:57:25 UTC 2021
 
 Modified Files:
 	src/sys/kern [netbsd-9]: kern_event.c
 
 Log Message:
 Pullup the following (requested by jdolecek in ticket #1191):
 
 	sys/kern/kern_event.c	r1.110-1.115 (via patch)
 
 fix a race in kqueue_scan() - when multiple threads check the same
 kqueue, it could happen other thread seen empty kqueue while kevent
 was being checked for re-firing and re-queued
 
 make sure to keep retrying if there are outstanding kevents even
 if no kevent is found on first pass through the queue, and only
 kq_count when actually completely done with the kevent
 
 PR kern/50094 by Christof Meerwal
 
 Also fixes timer latency in Go, as reported in
 https://github.com/golang/go/issues/42515 by Michael Pratt
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.104 -r1.104.4.1 src/sys/kern/kern_event.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.