From: Oleg Nesterov <oleg@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Christian Brauner <brauner@kernel.org>,
David Hildenbrand <david@kernel.org>,
Jann Horn <jannh@google.com>, Kees Cook <kees@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>, Michal Hocko <mhocko@suse.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] mm_access: simplify the security checks
Date: Sat, 30 May 2026 17:00:46 +0200 [thread overview]
Message-ID: <ahr7hFGgGde82Ejz@redhat.com> (raw)
In-Reply-To: <ahrsfJE3NkKjShEX@redhat.com>
On 05/30, Oleg Nesterov wrote:
>
> 1. Shift the fast-path "mm == current->mm" check from may_access_mm()
> to mm_access(), and do it locklessly.
Heh ;) sashiko has some concerns, see
https://sashiko.dev/#/patchset/ahrsfJE3NkKjShEX%40redhat.com
I still think this is fine, but I'll recheck tomorrow.
Oleg.
prev parent reply other threads:[~2026-05-30 15:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-30 13:56 [PATCH] mm_access: simplify the security checks Oleg Nesterov
2026-05-30 14:10 ` Oleg Nesterov
2026-06-01 11:16 ` Lorenzo Stoakes
2026-05-30 14:12 ` [PATCH v2] " Oleg Nesterov
2026-06-01 12:04 ` David Hildenbrand (Arm)
2026-06-01 12:31 ` Oleg Nesterov
2026-06-01 12:12 ` Lorenzo Stoakes
2026-06-01 12:42 ` Oleg Nesterov
2026-05-30 15:00 ` Oleg Nesterov [this message]
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=ahr7hFGgGde82Ejz@redhat.com \
--to=oleg@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=brauner@kernel.org \
--cc=david@kernel.org \
--cc=jannh@google.com \
--cc=kees@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=ljs@kernel.org \
--cc=mhocko@suse.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.