Gidday,
The Linux man-pages maintainer proudly announces:
man-pages-4.15 - man pages for Linux
This release resulted from patches, bug reports, reviews, and comments
from 26 contributors. Over 200 commits changed around 75 pages.
In addition, 3 new manual pages were added.
Tarball download:
http://www.kernel.org/doc/man-pages/download.html
Git repository:
https://git.kernel.org/cgit/docs/man-pages/man-pages.git/
Online changelog:
http://man7.org/linux/man-pages/changelog.html#release_4.15
A short summary of the release is blogged at:
http://linux-man-pages.blogspot.com/2018/02/man-pages-415-is-released.html
A selection of changes in this release that may be of interest
to readers of LKML is shown below.
Cheers,
Michael
==================== Changes in man-pages-4.15 ====================
New and rewritten pages
-----------------------
s390_sthyi.2
QingFeng Hao [Michael Kerrisk]
New page for s390-specific s390_sthyi(2)
network_namespaces.7
Michael Kerrisk
New page describing network namespaces
Based on content moved from namespaces(7)
vsock.7
Stefan Hajnoczi [Jorgen Hansen, Michael Kerrisk]
Document the VSOCK socket address family
Newly documented interfaces in existing pages
---------------------------------------------
cgroups.7
Michael Kerrisk [Tejun Heo]
Document cgroups v2 "thread mode"
Michael Kerrisk [Tejun Heo]
Document cgroup v2 delegation via the 'nsdelegate' mount option
Michael Kerrisk
Document the cgroup.max.depth and cgroup.max.descendants files
Michael Kerrisk
Document 'release_agent' mount option
Michael Kerrisk [Roman Gushchin]
Document /sys/kernel/cgroup/delegate
Michael Kerrisk [Roman Gushchin]
Document /sys/kernel/cgroup/features
Michael Kerrisk [Roman Gushchin]
Document cgroups v2 cgroup.stat file
Changes to individual pages
---------------------------
fcntl.2
read.2
write.2
NeilBrown
Document "Lost locks" as cause for EIO.
If an advisory lock is lost, then read/write requests on any
affected file descriptor can return EIO - for NFSv4 at least.
mmap.2
John Hubbard [Michael Hocko]
MAP_FIXED is no longer discouraged
MAP_FIXED has been widely used for a very long time, yet the man
page still claims that "the use of this option is discouraged".
John Hubbard
MAP_FIXED updated documentation
-- Expand the documentation to discuss the hazards in
enough detail to allow avoiding them.
-- Mention the upcoming MAP_FIXED_SAFE flag.
-- Enhance the alignment requirement slightly.
recvmmsg.2
sendmmsg.2
Nikola Forró
Point out that error handling is unreliable
seccomp.2
Michael Kerrisk
Clarify that SECCOMP_RET_TRAP SIGSYS signal is thread-directed
capabilities.7
Michael Kerrisk
Note which capability sets are affected by SECBIT_NO_SETUID_FIXUP
Note explicitly that SECBIT_NO_SETUID_FIXUP is relevant for
the permitted, effective, and ambient capability sets.
Michael Kerrisk
Clarify effect of CAP_SETFCAP
Make it clear that CAP_SETFCAP allows setting arbitrary
capabilities on a file.
Michael Kerrisk
Clarify which capability sets are effected by SECBIT_KEEP_CAPS
This flag has relevance only for the process permitted and
effective sets.
Michael Kerrisk
Rephrase CAP_SETPCAP description
* Mention kernel versions.
* Place current kernel behavior first
Michael Kerrisk
SECBIT_KEEP_CAPS is ignored if SECBIT_NO_SETUID_FIXUP is set
Michael Kerrisk
Ambient set is also cleared when UIDs are set to nonzero value
cgroups.7
Michael Kerrisk
Add a more complete description of cgroup v1 named hierarchies
Michael Kerrisk
Add a section on unmounting cgroup v1 filesystems
Michael Kerrisk
Add subsection describing cgroups v2 subtree delegation
Michael Kerrisk
Mention ENOENT error that can occur when writing to subtree_control file
Michael Kerrisk
Add list of currently available version 2 controllers
Nikolay Borisov
Add information about RDMA controller
Michael Kerrisk
Rewrite the description of cgroup v2 subtree control
Michael Kerrisk [Tejun Heo]
Note Linux 4.11 changes to cgroup v2 delegation containment rules
Michael Kerrisk
systemd(1) nowadays automatically mounts the cgroup2 filesystem
Michael Kerrisk
Clarify that cgroup.controllers is read-only
Michael Kerrisk
Elaborate a little on problems of splitting threads across cgroups in v1
Michael Kerrisk [Tejun Heo]
Tweak the description of delegation of cgroup.subtree_control
sched.7
Michael Kerrisk [Andrea Parri]
Correctly describe effect of priority changes for RT threads
The placement of a thread in the run queue for its new
priority depends on the direction of movement in priority.
(This appears to contradict POSIX, except in the case of
pthread_setschedprio().)
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/