From: Andrew Morton <akpm@linux-foundation.org>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Marco Elver <elver@google.com>,
Alan Maguire <alan.maguire@oracle.com>,
Kees Cook <kees@kernel.org>,
Nathan Chancellor <nathan@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Miguel Ojeda <ojeda@kernel.org>, Uros Bizjak <ubizjak@gmail.com>,
"Jason A. Donenfeld" <Jason@zx2c4.com>,
Marc.Herbert@linux.intel.com, Heiko Carstens <hca@linux.ibm.com>,
"H. Peter Anvin" <hpa@zytor.com>,
namjain@linux.microsoft.com,
"Paul E. McKenney" <paulmck@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Andrii Nakryiko <andrii.nakryiko@gmail.com>,
Yonghong Song <yonghong.song@linux.dev>,
Alexei Starovoitov <ast@kernel.org>, Jiri Olsa <jolsa@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <martin.lau@linux.dev>,
Eduard <eddyz87@gmail.com>, Song Liu <song@kernel.org>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
bvanassche <bvanassche@acm.org>,
nilay@linux.ibm.com, bpf <bpf@vger.kernel.org>
Subject: Re: [PATCH] kcsan, compiler_types: avoid duplicate type issues in BPF Type Format
Date: Tue, 27 Jan 2026 17:04:01 -0800 [thread overview]
Message-ID: <20260127170401.43b972fa4f7b0b4419c7023c@linux-foundation.org> (raw)
In-Reply-To: <CAADnVQ+7ZxXE8O254rkYt+U9PO3Rxt681LaOT7W5UMj1PobHHA@mail.gmail.com>
On Tue, 27 Jan 2026 16:02:32 -0800 Alexei Starovoitov <alexei.starovoitov@gmail.com> wrote:
> > compiler_types.h appears to be a free-for-all. It's best to view such
> > a thing as a KCSAN patch rather than a compiler_types.h patch - that
> > the patch affects compiler_types.h is incidental.
> >
> > 31f605a308e6 came in via paulmck so convention (which perhaps only I
> > maintain) says "Paul", but whatever - getting the fix merged is the
> > important part.
> >
> > So I'll grab Alan's patch, shall drop if it pops up in -next via a
> > different route. Aiming for upstreaming in the next merge window.
>
> You mean in the upcoming merge window, right?
Yes.
It could be added to 6.19-rcX/-stable if there's a need?
> The severity of the bug is significant. Better to land it sooner
> rather than later.
OK, that wasn't clear to me from the changelog.
> > It's unclear whether a -stable backport is required. Thoughts on this
> > are sought.
>
> Yes, since without it kcsan and bpf are mutually exclusive.
OK, cc:stable added.
next prev parent reply other threads:[~2026-01-28 1:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-16 9:17 [PATCH] kcsan, compiler_types: avoid duplicate type issues in BPF Type Format Alan Maguire
2026-01-16 10:13 ` Marco Elver
2026-01-27 23:08 ` Marco Elver
2026-01-27 23:31 ` Andrew Morton
2026-01-28 0:02 ` Alexei Starovoitov
2026-01-28 1:04 ` Andrew Morton [this message]
2026-01-28 1:44 ` Marco Elver
2026-01-16 13:15 ` Nilay Shroff
2026-01-16 17:26 ` Yonghong Song
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