From: Peter Zijlstra <peterz@infradead.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
LKML <linux-kernel@vger.kernel.org>,
Kees Cook <keescook@chromium.org>,
Dave Hansen <dave.hansen@intel.com>,
Sean Christopherson <seanjc@google.com>
Subject: Re: [PATCH] x86/mm: Do not verify W^X at boot up
Date: Tue, 25 Oct 2022 11:39:39 +0200 [thread overview]
Message-ID: <Y1eu2wFVp1zcLg5b@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <CAHk-=wjRpCS3oAJHVfByDoaj0-tAhV5a5YKV7QssUdMOAm8bAg@mail.gmail.com>
On Mon, Oct 24, 2022 at 12:08:49PM -0700, Linus Torvalds wrote:
> I suspect it would be fixed by just moving 'poking_init()' earlier. In
> many ways I suspect it would make most sense as part of 'mm_init()',
> not as a random call fairly late in start_kernel().
dup_mm() doesn't work until after proc_caches_init() at the very least.
Let me see if I can untangle some of this..
next prev parent reply other threads:[~2022-10-25 9:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-24 15:45 [PATCH] x86/mm: Do not verify W^X at boot up Steven Rostedt
2022-10-24 16:14 ` Dave Hansen
2022-10-24 18:13 ` Steven Rostedt
2022-10-24 19:26 ` Steven Rostedt
2022-10-24 18:19 ` Linus Torvalds
2022-10-24 18:52 ` Steven Rostedt
2022-10-24 19:08 ` Linus Torvalds
2022-10-24 22:04 ` Steven Rostedt
2022-10-25 9:39 ` Peter Zijlstra [this message]
2022-10-25 10:16 ` Peter Zijlstra
2022-10-25 16:53 ` Linus Torvalds
2022-10-25 17:47 ` Peter Zijlstra
2022-10-25 18:14 ` Linus Torvalds
2022-10-25 18:46 ` Peter Zijlstra
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=Y1eu2wFVp1zcLg5b@hirez.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=dave.hansen@intel.com \
--cc=keescook@chromium.org \
--cc=linux-kernel@vger.kernel.org \
--cc=rostedt@goodmis.org \
--cc=seanjc@google.com \
--cc=torvalds@linux-foundation.org \
/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;
as well as URLs for NNTP newsgroup(s).