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Date: Tue, 09 Sep 2014 07:00:29 -0700
From: "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
To: "Eric W. Biederman" <ebiederm@...ssion.com>
CC: mtk.manpages@...il.com, lkml <linux-kernel@...r.kernel.org>,
"linux-man@...r.kernel.org" <linux-man@...r.kernel.org>,
containers@...ts.linux-foundation.org,
Andy Lutomirski <luto@...capital.net>,
richard.weinberger@...il.com, "Serge E. Hallyn" <serge@...lyn.com>
Subject: Re: For review: user_namespace(7) man page
Hi Eric,
> 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?
Thanks,
Michael
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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