From: "Michael Kerrisk (man-pages)" <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
Cc: "linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
richard.weinberger-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
lkml <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>,
mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: Re: For review: user_namespace(7) man page
Date: Thu, 11 Sep 2014 07:40:12 -0700 [thread overview]
Message-ID: <5411B44C.5050405@gmail.com> (raw)
In-Reply-To: <87bnqon513.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
On 09/09/2014 09:16 AM, Eric W. Biederman wrote:
>>> On a related note. One thing that has come up recently (in 3 separate
>>> >> implementations is that mount(MS_REMOUNT|...,...) must include all of
>>> >> the mount flags that need to be preserved. People creating read-only
>>> >> bind mounts tend to miss that and the locked flags in mount namespaces.
>>> >> That issue was flushed out now that the kernel is now not allowing most
>>> >> mount flags to be cleared in mount namespaces.
>> >
>> > So, are you meaning that something needs to be added to the page
>> > regarding this point?
> Yes. The interface is non-intuitive and we should at least document
> the weirdness.
Okay -- I have added that piece to mount(2).
Thanks,
Michael
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
next prev parent reply other threads:[~2014-09-11 14:40 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-20 23:36 For review: user_namespace(7) man page Michael Kerrisk (man-pages)
[not found] ` <53F5310A.5080503-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-08-22 21:12 ` Serge E. Hallyn
[not found] ` <20140822211215.GA26308-7LNsyQBKDXoIagZqoN9o3w@public.gmane.org>
2014-09-01 16:58 ` Michael Kerrisk (man-pages)
2014-08-30 21:53 ` Eric W. Biederman
[not found] ` <87d2bhfxvc.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2014-09-01 17:31 ` Michael Kerrisk (man-pages)
[not found] ` <5404AD7F.4070004-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-02 1:05 ` Eric W. Biederman
[not found] ` <87sikade6s.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2014-09-09 14:00 ` Michael Kerrisk (man-pages)
[not found] ` <540F07FD.7010106-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-09 16:16 ` Eric W. Biederman
[not found] ` <87bnqon513.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2014-09-11 14:40 ` Michael Kerrisk (man-pages) [this message]
2014-09-09 13:59 ` Michael Kerrisk (man-pages)
[not found] ` <540F07C7.9000300-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-09 15:49 ` Eric W. Biederman
[not found] ` <87sik0oktt.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2014-09-11 14:40 ` Michael Kerrisk (man-pages)
2014-09-09 13:59 ` Michael Kerrisk (man-pages)
[not found] ` <540F07CD.3080708-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-09 15:51 ` Eric W. Biederman
[not found] ` <87oauookq2.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2014-09-11 14:40 ` Michael Kerrisk (man-pages)
2014-09-01 20:57 ` Andy Lutomirski
[not found] ` <CALCETrX2qwvzmeoVcLFLxEK=1Fv+f0Ri0TouzzvbN_rgDjka4A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-09 14:00 ` Michael Kerrisk (man-pages)
[not found] ` <540F0810.7030408-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-09 16:05 ` Eric W. Biederman
[not found] ` <87ppf4n5ib.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2014-09-09 19:26 ` Andy Lutomirski
[not found] ` <CALCETrV4WizRXD9JuwibUBbQE9hhNrRDJ3cYyXdhd=OfPziF5g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-09 19:39 ` Andy Lutomirski
2014-09-11 14:47 ` Michael Kerrisk (man-pages)
[not found] ` <5411B5F5.2090500-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-11 15:15 ` Andy Lutomirski
[not found] ` <CALCETrXOgCUrrzeJYJ6VoPgR5Rt0HFCrhRC0H7+3XLv1Y+sJ_A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-14 2:58 ` Michael Kerrisk (man-pages)
2014-09-11 14:46 ` Michael Kerrisk (man-pages)
[not found] ` <5411B5D6.9010201-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-11 15:14 ` Andy Lutomirski
[not found] ` <CALCETrV1EtrzfEhS55ToPD5VTbY9VjmmOA6bv2H9PGGQ-G=WGA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-14 2:42 ` Michael Kerrisk (man-pages)
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