From: Kees Cook <keescook@chromium.org>
To: Michal Hocko <mhocko@kernel.org>
Cc: Linux API <linux-api@vger.kernel.org>,
Khalid Aziz <khalid.aziz@oracle.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Andrew Morton <akpm@linux-foundation.org>,
Russell King - ARM Linux <linux@armlinux.org.uk>,
Andrea Arcangeli <aarcange@redhat.com>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
Florian Weimer <fweimer@redhat.com>,
John Hubbard <jhubbard@nvidia.com>,
Abdul Haleem <abdhalee@linux.vnet.ibm.com>,
Joel Stanley <joel@jms.id.au>, Michal Hocko <mhocko@suse.com>
Subject: Re: [PATCH 0/2] mm: introduce MAP_FIXED_SAFE
Date: Wed, 29 Nov 2017 14:12:45 -0800 [thread overview]
Message-ID: <CAGXu5jKxgkar3802JYUqrVF==h99hDH9UUdZSgH9T_-n9y22EA@mail.gmail.com> (raw)
In-Reply-To: <20171129144219.22867-1-mhocko@kernel.org>
On Wed, Nov 29, 2017 at 6:42 AM, Michal Hocko <mhocko@kernel.org> wrote:
> Except we won't export expose the new semantic to the userspace at all.
I'm confused: the changes in patch 1 are explicitly adding
MAP_FIXED_SAFE to the uapi. If it's not supposed to be exposed,
shouldn't it go somewhere else?
-Kees
--
Kees Cook
Pixel Security
WARNING: multiple messages have this Message-ID (diff)
From: Kees Cook <keescook@chromium.org>
To: Michal Hocko <mhocko@kernel.org>
Cc: Linux API <linux-api@vger.kernel.org>,
Khalid Aziz <khalid.aziz@oracle.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Andrew Morton <akpm@linux-foundation.org>,
Russell King - ARM Linux <linux@armlinux.org.uk>,
Andrea Arcangeli <aarcange@redhat.com>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
Florian Weimer <fweimer@redhat.com>,
John Hubbard <jhubbard@nvidia.com>,
Abdul Haleem <abdhalee@linux.vnet.ibm.com>,
Joel Stanley <joel@jms.id.au>, Michal Hocko <mhocko@suse.com>
Subject: Re: [PATCH 0/2] mm: introduce MAP_FIXED_SAFE
Date: Wed, 29 Nov 2017 14:12:45 -0800 [thread overview]
Message-ID: <CAGXu5jKxgkar3802JYUqrVF==h99hDH9UUdZSgH9T_-n9y22EA@mail.gmail.com> (raw)
In-Reply-To: <20171129144219.22867-1-mhocko@kernel.org>
On Wed, Nov 29, 2017 at 6:42 AM, Michal Hocko <mhocko@kernel.org> wrote:
> Except we won't export expose the new semantic to the userspace at all.
I'm confused: the changes in patch 1 are explicitly adding
MAP_FIXED_SAFE to the uapi. If it's not supposed to be exposed,
shouldn't it go somewhere else?
-Kees
--
Kees Cook
Pixel Security
--
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next prev parent reply other threads:[~2017-11-29 22:12 UTC|newest]
Thread overview: 117+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-29 14:42 [PATCH 0/2] mm: introduce MAP_FIXED_SAFE Michal Hocko
2017-11-29 14:42 ` Michal Hocko
2017-11-29 14:42 ` Michal Hocko
2017-11-29 14:42 ` [PATCH 1/2] " Michal Hocko
2017-11-29 14:42 ` Michal Hocko
2017-11-29 14:42 ` Michal Hocko
2017-12-06 5:15 ` Michael Ellerman
2017-12-06 5:15 ` Michael Ellerman
2017-12-06 9:27 ` Michal Hocko
2017-12-06 9:27 ` Michal Hocko
2017-12-06 10:02 ` Michal Hocko
2017-12-06 10:02 ` Michal Hocko
2017-12-07 12:07 ` Pavel Machek
2017-12-07 12:07 ` Pavel Machek
2017-11-29 14:42 ` [PATCH 2/2] fs, elf: drop MAP_FIXED usage from elf_map Michal Hocko
2017-11-29 14:42 ` Michal Hocko
2017-11-29 14:42 ` Michal Hocko
2017-11-29 17:45 ` Khalid Aziz
2017-11-29 17:45 ` Khalid Aziz
2018-05-29 22:21 ` Mike Kravetz
2018-05-30 8:02 ` Michal Hocko
2018-05-30 15:00 ` Mike Kravetz
2018-05-30 16:25 ` Michal Hocko
2018-05-31 0:51 ` Mike Kravetz
2018-05-31 9:24 ` Michal Hocko
2018-05-31 21:46 ` Mike Kravetz
2017-11-29 14:45 ` [PATCH] mmap.2: document new MAP_FIXED_SAFE flag Michal Hocko
2017-11-29 14:45 ` Michal Hocko
2017-11-29 14:45 ` Michal Hocko
2017-11-30 3:16 ` John Hubbard
2017-11-30 3:16 ` John Hubbard
2017-11-30 3:16 ` John Hubbard
2017-11-30 8:23 ` Michal Hocko
2017-11-30 8:23 ` Michal Hocko
2017-11-30 8:24 ` [PATCH v2] " Michal Hocko
2017-11-30 8:24 ` Michal Hocko
2017-11-30 8:24 ` Michal Hocko
2017-11-30 8:24 ` Michal Hocko
2017-11-30 18:31 ` John Hubbard
2017-11-30 18:31 ` John Hubbard
2017-11-30 18:31 ` John Hubbard
2017-11-30 18:39 ` Michal Hocko
2017-11-30 18:39 ` Michal Hocko
2017-11-29 15:13 ` [PATCH 0/2] mm: introduce MAP_FIXED_SAFE Rasmus Villemoes
2017-11-29 15:13 ` Rasmus Villemoes
2017-11-29 15:13 ` Rasmus Villemoes
2017-11-29 15:50 ` Michal Hocko
2017-11-29 15:50 ` Michal Hocko
2017-11-29 15:50 ` Michal Hocko
2017-11-29 22:15 ` Kees Cook
2017-11-29 22:15 ` Kees Cook
2017-11-29 22:12 ` Kees Cook [this message]
2017-11-29 22:12 ` Kees Cook
2017-11-29 22:25 ` Kees Cook
2017-11-29 22:25 ` Kees Cook
2017-11-30 6:58 ` Michal Hocko
2017-11-30 6:58 ` Michal Hocko
2017-11-30 6:58 ` Michal Hocko
2017-12-01 15:26 ` Cyril Hrubis
2017-12-01 15:26 ` Cyril Hrubis
2017-12-06 4:51 ` Michael Ellerman
2017-12-06 4:51 ` Michael Ellerman
2017-12-06 4:54 ` Matthew Wilcox
2017-12-06 4:54 ` Matthew Wilcox
2017-12-06 7:03 ` Matthew Wilcox
2017-12-06 7:03 ` Matthew Wilcox
2017-12-06 7:33 ` John Hubbard
2017-12-06 7:33 ` John Hubbard
2017-12-06 7:35 ` Florian Weimer
2017-12-06 7:35 ` Florian Weimer
2017-12-06 7:35 ` Florian Weimer
2017-12-06 8:06 ` John Hubbard
2017-12-06 8:06 ` John Hubbard
2017-12-06 8:06 ` John Hubbard
2017-12-06 8:06 ` John Hubbard
2017-12-06 8:54 ` Florian Weimer
2017-12-06 8:54 ` Florian Weimer
2017-12-06 8:54 ` Florian Weimer
2017-12-07 5:46 ` Michael Ellerman
2017-12-07 5:46 ` Michael Ellerman
2017-12-07 5:46 ` Michael Ellerman
2017-12-07 19:14 ` Kees Cook
2017-12-07 19:14 ` Kees Cook
2017-12-07 19:57 ` Matthew Wilcox
2017-12-07 19:57 ` Matthew Wilcox
2017-12-07 19:57 ` Matthew Wilcox
2017-12-08 8:33 ` Michal Hocko
2017-12-08 8:33 ` Michal Hocko
2017-12-08 20:13 ` Kees Cook
2017-12-08 20:13 ` Kees Cook
2017-12-08 20:13 ` Kees Cook
2017-12-08 20:57 ` Matthew Wilcox
2017-12-08 20:57 ` Matthew Wilcox
2017-12-08 20:57 ` Matthew Wilcox
2017-12-08 11:08 ` Michael Ellerman
2017-12-08 11:08 ` Michael Ellerman
2017-12-08 14:27 ` Pavel Machek
2017-12-08 20:31 ` Cyril Hrubis
2017-12-08 20:31 ` Cyril Hrubis
2017-12-08 20:31 ` Cyril Hrubis
2017-12-08 20:47 ` Florian Weimer
2017-12-08 20:47 ` Florian Weimer
2017-12-08 20:47 ` Florian Weimer
2017-12-08 14:33 ` David Laight
2017-12-08 14:33 ` David Laight
2017-12-06 4:50 ` Michael Ellerman
2017-12-06 4:50 ` Michael Ellerman
2017-12-06 7:33 ` Rasmus Villemoes
2017-12-06 7:33 ` Rasmus Villemoes
2017-12-06 7:33 ` Rasmus Villemoes
2017-12-06 9:08 ` Michal Hocko
2017-12-06 9:08 ` Michal Hocko
2017-12-06 9:08 ` Michal Hocko
2017-12-07 0:19 ` Kees Cook
2017-12-07 0:19 ` Kees Cook
2017-12-07 1:08 ` John Hubbard
2017-12-07 1:08 ` John Hubbard
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