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Message-ID: <CALCETrWGpRr86tVKJU-sEMcg+x0Yzp+TbiBhrAc71RaO8=DYGQ@mail.gmail.com>
Date: Mon, 10 Feb 2020 10:23:23 -0800
From: Andy Lutomirski <luto@...nel.org>
To: Alexey Gladkov <gladkov.alexey@...il.com>
Cc: LKML <linux-kernel@...r.kernel.org>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>, Linux API <linux-api@...r.kernel.org>,
Linux FS Devel <linux-fsdevel@...r.kernel.org>,
Linux Security Module <linux-security-module@...r.kernel.org>,
Akinobu Mita <akinobu.mita@...il.com>, Alexander Viro <viro@...iv.linux.org.uk>,
Alexey Dobriyan <adobriyan@...il.com>, Andrew Morton <akpm@...ux-foundation.org>,
Andy Lutomirski <luto@...nel.org>, Daniel Micay <danielmicay@...il.com>,
Djalal Harouni <tixxdz@...il.com>, "Dmitry V . Levin" <ldv@...linux.org>,
"Eric W . Biederman" <ebiederm@...ssion.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Ingo Molnar <mingo@...nel.org>, "J . Bruce Fields" <bfields@...ldses.org>,
Jeff Layton <jlayton@...chiereds.net>, Jonathan Corbet <corbet@....net>,
Kees Cook <keescook@...omium.org>, Linus Torvalds <torvalds@...ux-foundation.org>,
Oleg Nesterov <oleg@...hat.com>, Solar Designer <solar@...nwall.com>
Subject: Re: [PATCH v8 03/11] proc: move /proc/{self|thread-self} dentries to proc_fs_info
On Mon, Feb 10, 2020 at 7:06 AM Alexey Gladkov <gladkov.alexey@...il.com> wrote:
>
> This is a preparation patch that moves /proc/{self|thread-self} dentries
> to be stored inside procfs fs_info struct instead of making them per pid
> namespace. Since we want to support multiple procfs instances we need to
> make sure that these dentries are also per-superblock instead of
> per-pidns,
The changelog makes perfect sense so far...
> unmounting a private procfs won't clash with other procfs
> mounts.
This doesn't parse as part of the previous sentence. I'm also not
convinced that this really involves unmounting per se. Maybe just
delete these words.
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