From: Jakub Kicinski <kuba@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: davem@davemloft.net, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, pabeni@redhat.com,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Jiri Olsa <olsajiri@gmail.com>, Yonghong Song <yhs@meta.com>
Subject: Re: [PULL] Networking for v6.1 final / v6.1-rc9 (with the diff stat :S)
Date: Fri, 9 Dec 2022 14:05:50 -0800 [thread overview]
Message-ID: <20221209140550.571e6b65@kernel.org> (raw)
In-Reply-To: <20221209130001.0f90f7f8@kernel.org>
On Fri, 9 Dec 2022 13:00:01 -0800 Jakub Kicinski wrote:
> On Fri, 9 Dec 2022 10:25:09 -0800 Linus Torvalds wrote:
> > > There is an outstanding regression in BPF / Peter's static calls stuff,
> >
> > Looks like it's not related to the static calls. Jiri says that
> > reverting that static call change makes no difference, and currently
> > suspects a RCU race instead:
> >
> > https://lore.kernel.org/bpf/Y5M9P95l85oMHki9@krava/T/#t
> >
> > Hmm?
>
> Yes. I can't quickly grok how the static call changes impacted
> the locking. I'll poke the BPF people to give us a sense of urgency.
> IDK how likely it is to get hold of Peter Z..
Adding Alexei et al. to the CC.
What I understood from off-list comments is the issue is not
a showstopper and synchronize_rcu_tasks() seems like a good fix.
next prev parent reply other threads:[~2022-12-09 22:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-08 20:56 [PULL] Networking for v6.1 final / v6.1-rc9 Jakub Kicinski
2022-12-08 21:00 ` [PULL] Networking for v6.1 final / v6.1-rc9 (with the diff stat :S) Jakub Kicinski
2022-12-09 18:25 ` Linus Torvalds
2022-12-09 21:00 ` Jakub Kicinski
2022-12-09 22:05 ` Jakub Kicinski [this message]
2022-12-10 1:27 ` Alexei Starovoitov
2022-12-08 23:57 ` [PULL] Networking for v6.1 final / v6.1-rc9 pr-tracker-bot
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