From: Christoph Lameter <cl@linux.com>
To: Kees Cook <keescook@chromium.org>
Cc: Michal Hocko <mhocko@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Pekka Enberg <penberg@kernel.org>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm: Add additional consistency check
Date: Tue, 11 Apr 2017 11:23:28 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.20.1704111122550.25069@east.gentwo.org> (raw)
In-Reply-To: <CAGXu5jK1j3UWUakakFw=EfVwg+Rnovzst52+uZJYesLqLY+n5A@mail.gmail.com>
On Tue, 11 Apr 2017, Kees Cook wrote:
> It seems that enabling the debug checks comes with a non-trivial
> performance impact. I'd like to see consistency checks by default so
> we can handle intentional heap corruption attacks better. This check
> isn't expensive...
Its in a very hot code and frequently used code path.
next prev parent reply other threads:[~2017-04-11 16:23 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-31 16:40 [PATCH] mm: Add additional consistency check Kees Cook
2017-03-31 21:33 ` Andrew Morton
2017-04-01 0:04 ` Kees Cook
2017-04-03 3:40 ` Michael Ellerman
2017-04-03 14:03 ` Christoph Lameter
2017-04-03 14:53 ` Matthew Wilcox
2017-04-04 11:30 ` Michal Hocko
2017-04-04 15:07 ` Christoph Lameter
2017-04-04 15:16 ` Michal Hocko
2017-04-04 15:46 ` Kees Cook
2017-04-04 15:58 ` Michal Hocko
2017-04-04 16:02 ` Kees Cook
2017-04-04 19:13 ` Christoph Lameter
2017-04-04 19:42 ` Michal Hocko
2017-04-04 19:58 ` Christoph Lameter
2017-04-04 20:13 ` Michal Hocko
2017-04-11 4:58 ` Kees Cook
2017-04-11 13:46 ` Michal Hocko
2017-04-11 14:14 ` Kees Cook
2017-04-11 14:19 ` Michal Hocko
2017-04-11 16:05 ` Kees Cook
2017-04-11 16:16 ` Christoph Lameter
2017-04-11 16:19 ` Kees Cook
2017-04-11 16:23 ` Christoph Lameter [this message]
2017-04-11 16:30 ` Kees Cook
2017-04-11 16:26 ` Christoph Lameter
2017-04-11 16:41 ` Michal Hocko
2017-04-11 18:03 ` Christoph Lameter
2017-04-11 18:30 ` Michal Hocko
2017-04-11 18:44 ` Christoph Lameter
2017-04-11 18:55 ` Michal Hocko
2017-04-11 18:59 ` Christoph Lameter
2017-04-11 19:39 ` Michal Hocko
2017-04-17 15:22 ` Christoph Lameter
2017-04-18 6:41 ` Michal Hocko
2017-04-18 13:31 ` Christoph Lameter
2017-04-18 13:37 ` Christoph Lameter
2017-04-28 1:11 ` Kees Cook
2017-04-28 6:16 ` Michal Hocko
2017-04-27 12:06 ` Michal Hocko
2017-04-11 18:30 ` Christoph Lameter
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