From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0FB2BC10F31 for ; Sat, 10 Dec 2022 01:29:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229929AbiLJB2R (ORCPT ); Fri, 9 Dec 2022 20:28:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54126 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229470AbiLJB2O (ORCPT ); Fri, 9 Dec 2022 20:28:14 -0500 Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5CDD3E0BD; Fri, 9 Dec 2022 17:28:12 -0800 (PST) Received: by mail-ed1-x535.google.com with SMTP id z92so5443876ede.1; Fri, 09 Dec 2022 17:28:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=X+N9CA/m9fqtmBX/025t/1vBO4BTdHKMo/1JU+mFav4=; b=CytXyBiJvNUkvs3nNVIhlmROQY4r/wCSyZ9dHPUDGGATtN1iPS7Jd4rvR+i5E0xrbI k7ZXfejgU2HyE4sR4kZTIO79dt+pGxPLkfAcZKKsKiv0XzcazDuwyytc6KIvJNq8exd4 qr5PaNan/I2TcfBfio2J4qpDjF/bBU3lVgUMImaDhkx1HHFYAGocMEMDOh/tlBG+3DNp fykG5rNT0UL+eU0mMAM4k16GFCZXM/h91BI5EQ3mnRitXDr3S8hxZAKuHfzw48ngSQ0N KxIs9e8JkFYnwNOq5lpEUy+gGg8VVazIeXXAfNUJMEHalLqzjBQTI2IXedQ6Nm1Trmkz 9SvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=X+N9CA/m9fqtmBX/025t/1vBO4BTdHKMo/1JU+mFav4=; b=g7E2kiQrsIPrZcMsxASjGNplZBiztV0Bbw5TSn9+njTiWTkeVHQrzDksv50C5skJrk vP98Jqv0oi95tI1K18FXKEQeQJh8LAJLRYo1RjqxKEjCetlskQi0mWEsnBx9G8aAeHFJ QoGEE+maeNIIMIzURLD71dNS26n0jQ2VY72Qb/ZEeNOARK0+/j1J47wS1yHxVYojZWuw WEzFKLWDl3zlGfR/ekzbgDXtZ6zobgdzzTQb96AqXoMlOTKA+5qxY72A/yavQmPgmxhM ETllPWhgPtbDqg1sioRC+TmBsY8Xv2DK+2/2tYa7YAH+PLgNRv+IOEMd77qMq0BpiRaX lVfg== X-Gm-Message-State: ANoB5pmloSbOFrqhiS/gUnHndIH3GXScI5jXY/tqC4l2jbRHAcPfHdXB hGtLnTqdZg36MgUbiiMRDDa1/lHo6uAfBgFb0EA= X-Google-Smtp-Source: AA0mqf613nMQPGhYAYOJRZGXI88yKsZcYWcuVw6fk/od41TS4MRXXDnNZx7wdp5TJOSjoQvu/vGvUXvM1IkBY9UVIls= X-Received: by 2002:a05:6402:142:b0:461:7fe6:9ea7 with SMTP id s2-20020a056402014200b004617fe69ea7mr4934177edu.94.1670635691257; Fri, 09 Dec 2022 17:28:11 -0800 (PST) MIME-Version: 1.0 References: <20221208205639.1799257-1-kuba@kernel.org> <20221208210009.1799399-1-kuba@kernel.org> <20221209130001.0f90f7f8@kernel.org> <20221209140550.571e6b65@kernel.org> In-Reply-To: <20221209140550.571e6b65@kernel.org> From: Alexei Starovoitov Date: Fri, 9 Dec 2022 17:27:59 -0800 Message-ID: Subject: Re: [PULL] Networking for v6.1 final / v6.1-rc9 (with the diff stat :S) To: Jakub Kicinski Cc: Linus Torvalds , "David S. Miller" , Network Development , LKML , Paolo Abeni , Alexei Starovoitov , Daniel Borkmann , Jiri Olsa , Yonghong Song Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 9, 2022 at 2:05 PM Jakub Kicinski 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.