From: Greg KH <gregkh@linuxfoundation.org>
To: Dev Jain <dev.jain@arm.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Suren Baghdasaryan <surenb@google.com>,
"Liam R. Howlett" <liam@infradead.org>,
Vlastimil Babka <vbabka@kernel.org>,
Shakeel Butt <shakeel.butt@linux.dev>,
David Hildenbrand <david@kernel.org>,
Mike Rapoport <rppt@kernel.org>, Michal Hocko <mhocko@suse.com>,
Uladzislau Rezki <urezki@gmail.com>,
Toshi Kani <toshi.kani@hpe.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, David Carlier <devnexen@gmail.com>,
Ryan Roberts <ryan.roberts@arm.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, stable@vger.kernel.org,
syzbot+fd95a72470f5a44e464c@syzkaller.appspotmail.com
Subject: Re: [PATCH 1/2] mm/vmalloc: acquire init_mm read lock on huge vmap promotion
Date: Sun, 12 Jul 2026 10:01:37 +0200 [thread overview]
Message-ID: <2026071252-sweep-quirk-a068@gregkh> (raw)
In-Reply-To: <d47ac961-4767-4ce4-9c75-f281beb24e42@arm.com>
On Sun, Jul 12, 2026 at 01:13:12PM +0530, Dev Jain wrote:
>
>
> [-----]
>
> > We also define a guard class for mmap_read_trylock() so we can use
> > cleanup.h to make the scope handling cleaner in the implementation.
> >
>
> Will this cause backport problems, I think this scoped guard thingy is
> not that old?
Don't worry about stable issues until after the fact. Fix things
properly in Linus's tree first.
And scoped guard has been backported to many of the LTS branches
already.
thanks,
greg k-h
next prev parent reply other threads:[~2026-07-12 8:01 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-10 10:49 [PATCH 0/2] mm: fix UAF caused by race between ptdump and vmap pgtable freeing Lorenzo Stoakes
2026-07-10 10:49 ` [PATCH 1/2] mm/vmalloc: acquire init_mm read lock on huge vmap promotion Lorenzo Stoakes
2026-07-10 12:57 ` Lorenzo Stoakes
2026-07-10 13:24 ` Lorenzo Stoakes
2026-07-11 10:23 ` Mike Rapoport
2026-07-12 7:43 ` Dev Jain
2026-07-12 8:01 ` Greg KH [this message]
2026-07-12 9:27 ` Lorenzo Stoakes
2026-07-12 8:22 ` Lorenzo Stoakes
2026-07-10 10:49 ` [PATCH 2/2] Revert "arm64: Enable vmalloc-huge with ptdump" Lorenzo Stoakes
2026-07-11 10:15 ` Mike Rapoport
2026-07-12 8:27 ` Lorenzo Stoakes
2026-07-12 7:46 ` Dev Jain
2026-07-12 8:28 ` Lorenzo Stoakes
2026-07-10 11:44 ` [PATCH 0/2] mm: fix UAF caused by race between ptdump and vmap pgtable freeing David CARLIER
2026-07-10 11:57 ` Lorenzo Stoakes
2026-07-12 7:20 ` Dev Jain
2026-07-12 8:46 ` Lorenzo Stoakes
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=2026071252-sweep-quirk-a068@gregkh \
--to=gregkh@linuxfoundation.org \
--cc=akpm@linux-foundation.org \
--cc=catalin.marinas@arm.com \
--cc=david@kernel.org \
--cc=dev.jain@arm.com \
--cc=devnexen@gmail.com \
--cc=liam@infradead.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=ljs@kernel.org \
--cc=mhocko@suse.com \
--cc=rppt@kernel.org \
--cc=ryan.roberts@arm.com \
--cc=shakeel.butt@linux.dev \
--cc=stable@vger.kernel.org \
--cc=surenb@google.com \
--cc=syzbot+fd95a72470f5a44e464c@syzkaller.appspotmail.com \
--cc=toshi.kani@hpe.com \
--cc=urezki@gmail.com \
--cc=vbabka@kernel.org \
--cc=will@kernel.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