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Date: Fri, 9 Dec 2022 17:27:59 -0800 From: Alexei Starovoitov <alexei.starovoitov@...il.com> To: Jakub Kicinski <kuba@...nel.org> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, "David S. Miller" <davem@...emloft.net>, Network Development <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, Paolo Abeni <pabeni@...hat.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Jiri Olsa <olsajiri@...il.com>, Yonghong Song <yhs@...a.com> Subject: Re: [PULL] Networking for v6.1 final / v6.1-rc9 (with the diff stat :S) On Fri, Dec 9, 2022 at 2:05 PM Jakub Kicinski <kuba@...nel.org> wrote: > > 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. Confirming. The bug is not a show stopper. The nature of the bug still needs to be understood though.
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