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Add an UPDATING entry for the recent AIO changes.

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Suggested by:	maxim
This commit is contained in:
John Baldwin 2016-03-04 17:42:59 +00:00
parent f36aa2b792
commit 8b66d3d3bd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=296389
1 changed files with 8 additions and 0 deletions
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@ -31,6 +31,14 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 11.x IS SLOW:
disable the most expensive debugging functionality run
"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
20160301:
The AIO subsystem is now a standard part of the kernel. The
VFS_AIO kernel option and aio.ko kernel module have been removed.
Due to stability concerns, asynchronous I/O requests are only
permitted on sockets and raw disks by default. To enable
asynchronous I/O requests on all file types, set the
vfs.aio.enable_unsafe sysctl to a non-zero value.
20160226:
The ELF object manipulation tool objcopy is now provided by the
ELF Tool Chain project rather than by GNU binutils. It should be a