svn commit: r360250 - head

[Kyle Evans]

Author: kevans
Date: Fri Apr 24 12:54:35 2020
New Revision: 360250
URL: https://svnweb.freebsd.org/changeset/base/360250

Log:
  UPDATING: add a note about closefrom(2) marked COMPAT12
  
  Some of the consumers in-base may make it enticing enough to ensure that
  COMPAT_FREEBSD12, which is notably a fairly light option at the moment, is
  included in custom kernel configs.
  
  Suggested by:	netchild
  Casualty:	mail jail

Modified:
  head/UPDATING

Modified: head/UPDATING
==============================================================================
--- head/UPDATING	Fri Apr 24 11:03:15 2020	(r360249)
+++ head/UPDATING	Fri Apr 24 12:54:35 2020	(r360250)
@@ -26,6 +26,13 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 13.x IS SLOW:
 	disable the most expensive debugging functionality run
 	"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20200224:
+	closefrom(2) has been moved under COMPAT12, and replaced in libc with a
+	stub that calls close_range(2).  If using a custom kernel configuration,
+	you may want to ensure that the COMPAT_FREEBSD12 option is included, as
+	a slightly older -CURRENT userland and older FreeBSD userlands may not
+	be functional without closefrom(2).
+
 20200414:
 	Upstream DTS from Linux 5.6 was merged and they now have the SID
 	and THS (Secure ID controller and THermal Sensor) node present.