linux-kernel - man-pages-5.08 is released

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Date:   Thu, 13 Aug 2020 14:36:15 +0200
From:   "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
To:     lkml <linux-kernel@...r.kernel.org>
Cc:     mtk.manpages@...il.com
Subject: man-pages-5.08 is released

Gidday,

The Linux man-pages maintainer proudly announces:

    man-pages-5.08 - man pages for Linux

This release resulted from patches, bug reports, reviews, and
comments from more than 30 people, with over 190 commits making
changes to more than 340 pages.

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_5.08

A short summary of the release is blogged at:
https://linux-man-pages.blogspot.com/2020/08/man-pages-508-is-released.html

The current version of the pages is browsable at:
http://man7.org/linux/man-pages/
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-5.08 ====================

Newly documented interfaces in existing pages
---------------------------------------------

prctl.2
    Dave Martin
        Add SVE prctls (arm64)
            Add documentation for the the PR_SVE_SET_VL and PR_SVE_GET_VL
            prctls added in Linux 4.15 for arm64.
    Dave Martin  [Catalin Marinas]
        Add tagged address ABI control prctls (arm64)
            Add documentation for the the PR_SET_TAGGED_ADDR_CTRL and
            PR_GET_TAGGED_ADDR_CTRL prctls added in Linux 5.4 for arm64.

setns.2
    Michael Kerrisk
        Document the use of PID file descriptors with setns()
            Starting with Linux 5.8, setns() can take a PID file descriptor as
            an argument, and move the caller into or more of the namespaces of
            the thread referred to by that descriptor.

capabilities.7
    Michael Kerrisk
        Document CAP_BPF
    Michael Kerrisk
        Add CAP_PERFMON

symlink.7
    Aleksa Sarai
        Document magic links more completely


Changes to individual pages
---------------------------

iopl.2
    Thomas Piekarski  [victorm007@...oo.com]
        Updating description of permissions and disabling interrupts
            Update description of permissions for port-mapped I/O set
            per-thread and not per-process. Mention that iopl() can not
            disable interrupts since Linux 5.5 anymore and is in general
            deprecated and only provided for legacy X servers.

            See https://bugzilla.kernel.org/show_bug.cgi?id=205317

pidfd_open.2
    Michael Kerrisk
        Add the setns(2) use case for PID file descriptors

prctl.2
    Michael Kerrisk
        The parent death signal is cleared on some credential changes
            See kernel/cred.c::commit_creds() in the Linux 5.6 source code.

seccomp.2
    Andy Lutomirski
        Improve x32 and nr truncation notes

sync.2
    Jeff Layton
        syncfs() now returns errors if writeback fails

capabilities.7
    Saikiran Madugula
        CAP_SYS_RESOURCE: add two more items for POSIX message queues
            CAP_SYS_RESOURCE also allows overriding /proc/sys/fs/mqueue/msg_max
            and /proc/sys/fs/mqueue/msgsize_max.
ld.so.8
    Florian Weimer  [Michael Kerrisk]
        List more places in which dynamic string tokens are expanded
            This happens for more than just DT_RPATH/DT_RUNPATH.
    Arkadiusz Drabczyk
        Explain that empty entry in LD_LIBRARY_PATH means cwd

-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/