From: Vlastimil Babka <vbabka@suse.cz>
To: Andrew Morton <akpm@linux-foundation.org>,
Alexander Potapenko <glider@google.com>
Cc: linux-security-module@vger.kernel.org, linux-mm@kvack.org,
ndesaulniers@google.com, kcc@google.com, dvyukov@google.com,
keescook@chromium.org, sspatil@android.com, labbott@redhat.com,
kernel-hardening@lists.openwall.com
Subject: Re: [PATCH] mm: security: introduce CONFIG_INIT_HEAP_ALL
Date: Tue, 16 Apr 2019 10:33:32 +0200 [thread overview]
Message-ID: <f4071ce4-3744-35c9-df22-cb0a9d8db8ba@suse.cz> (raw)
In-Reply-To: <20190415190213.5831bbc17e5073690713b001@linux-foundation.org>
On 4/16/19 4:02 AM, Andrew Morton wrote:
> Requiring a kernel rebuild is rather user-hostile. A boot option
> (early_param()) would be much more useful and I expect that the loss in
> coverage would be small and acceptable? Could possibly use the
> static_branch infrastructure.
Agreed. There could be a config option to make it default on if no param
given. Then a config option to (not) compile this in at all would be
probably superfluous, although small systems/architectures without
effective static keys might care.
next prev parent reply other threads:[~2019-04-16 8:36 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-12 12:45 Alexander Potapenko
2019-04-12 14:16 ` Qian Cai
2019-04-12 15:23 ` Alexander Potapenko
2019-04-16 2:02 ` Andrew Morton
2019-04-16 8:33 ` Vlastimil Babka [this message]
2019-04-16 12:21 ` Alexander Potapenko
2019-04-16 8:30 ` Vlastimil Babka
2019-04-16 12:04 ` Alexander Potapenko
2019-04-16 15:32 ` Christopher Lameter
2019-04-16 16:01 ` Alexander Potapenko
2019-04-16 16:30 ` Christopher Lameter
2019-04-17 11:03 ` Alexander Potapenko
2019-04-17 17:04 ` Alexander Potapenko
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=f4071ce4-3744-35c9-df22-cb0a9d8db8ba@suse.cz \
--to=vbabka@suse.cz \
--cc=akpm@linux-foundation.org \
--cc=dvyukov@google.com \
--cc=glider@google.com \
--cc=kcc@google.com \
--cc=keescook@chromium.org \
--cc=kernel-hardening@lists.openwall.com \
--cc=labbott@redhat.com \
--cc=linux-mm@kvack.org \
--cc=linux-security-module@vger.kernel.org \
--cc=ndesaulniers@google.com \
--cc=sspatil@android.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox