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 X-Spam-Level: X-Spam-Status: No, score=-0.5 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7409AC47089 for ; Thu, 27 May 2021 19:57:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 54A22613BF for ; Thu, 27 May 2021 19:57:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235087AbhE0T6n (ORCPT ); Thu, 27 May 2021 15:58:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234847AbhE0T6m (ORCPT ); Thu, 27 May 2021 15:58:42 -0400 Received: from mail-qk1-x730.google.com (mail-qk1-x730.google.com [IPv6:2607:f8b0:4864:20::730]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B380DC061574; Thu, 27 May 2021 12:57:07 -0700 (PDT) Received: by mail-qk1-x730.google.com with SMTP id k4so1945861qkd.0; Thu, 27 May 2021 12:57:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:user-agent:in-reply-to:references:mime-version :content-transfer-encoding:subject:to:cc:from:message-id; bh=Fwp/m0jaIQUr6Ktnj2mzMS00PxmRloLtQtG4O3COx5o=; b=W1O7amDsoGJyGZA2rtsLZvLFW01VQAwnF+Qgbu57PRkyQVb9J3bh48QGImqzEgNDyD p1pENaoJaNSwA4TFy3y1NLlNrhSW/NaWJJqq+eWgiEhzbXGv/Uc21nK+2MaR/HJK5K48 LcK+0W8DqCyFprvWwj+a7rFSYA3XBdHtEDtS9MtMEzDW/1SAX4tEBZ5/V9FDotvemL7E g4PMnhGDlF/3Bid54Bn8rrkiv4uwNEajffkmi5XwybFBKLkEs7zQ5Zomp1M2r4Oko186 7mzjpvCJexUxo6JT57k0n14phH8z7LOhTcjLjUf5RYJPnT6sJSX9Z0t/2r7iuCDRNdO0 Vp4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:user-agent:in-reply-to:references :mime-version:content-transfer-encoding:subject:to:cc:from :message-id; bh=Fwp/m0jaIQUr6Ktnj2mzMS00PxmRloLtQtG4O3COx5o=; b=ZkhBabgiWrNm5MpfO/zMaTsXzHF+QgpMHxeD0OZv7xVkUk06I7LhVtcC1RQKSHyQPC XURs/mxYOTgrkUf5+C6FGzH9CDLyUaM0jFaOVoVoNIpJmq+xIdokafd/3mL0o1aSiJiF 0Vz1mb2Ix47wxCQ1goekS9NveoJwIZ2WU9pD8ECqHmRHS0JMXYZwofV+PLYzAJYNSUdc j5Wsvam2KNBERZepxfS2eDEWLFcjKBFrZ880v7WWyI7hNS/KsaJNVWMJgpUtLQvq1lfp Un7W3ZWEveI0d+LMJuz27Yiu7BaqfIpJv4wADTdbxVXW3cJUPOteydRpwaLRG/8zDXJy hbcw== X-Gm-Message-State: AOAM533DzUkEFLdBr6yWnNyC7BtwJ8AHbEDOIphsOtrYh9wgoPohunhD +MoUJrr4LIOCOd1WteGHJmQ= X-Google-Smtp-Source: ABdhPJzeKzcZ8hFqnjIbqrCIqyhJceunpYSGdCP04oLs8U0XQveFaV1+b8i5//EuFuewqb+1RGIfPw== X-Received: by 2002:a37:a4c1:: with SMTP id n184mr165740qke.309.1622145426812; Thu, 27 May 2021 12:57:06 -0700 (PDT) Received: from [172.16.141.208] ([187.68.192.38]) by smtp.gmail.com with ESMTPSA id h16sm2063269qke.43.2021.05.27.12.57.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 27 May 2021 12:57:06 -0700 (PDT) Date: Thu, 27 May 2021 16:55:52 -0300 User-Agent: K-9 Mail for Android In-Reply-To: References: <4615C288-2CFD-483E-AB98-B14A33631E2F@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [RFT] Testing 1.22 To: Andrii Nakryiko CC: Arnaldo Carvalho de Melo , Andrii Nakryiko , Jiri Olsa , =?ISO-8859-1?Q?Michal_Such=E1nek?= , dwarves@vger.kernel.org, bpf , Kernel Team , Michael Petlan From: Arnaldo Message-ID: <4901AF88-0354-428B-9305-2EDC6F75C073@gmail.com> Precedence: bulk List-ID: X-Mailing-List: dwarves@vger.kernel.org On May 27, 2021 4:14:17 PM GMT-03:00, Andrii Nakryiko wrote: >On Thu, May 27, 2021 at 12:06 PM Arnaldo >wrote: >> >> >> >> On May 27, 2021 1:54:40 PM GMT-03:00, Andrii Nakryiko > wrote: >> >On Thu, May 27, 2021 at 8:20 AM Arnaldo Carvalho de Melo >> > wrote: >> >> >> >> Hi guys, >> >> >> >> Its important to have 1=2E22 out of the door ASAP, so please >> >clone >> >> what is in tmp=2Emaster and report your results=2E >> >> >> > >> >Hey Arnaldo, >> > >> >If we are going to make pahole 1=2E22 a new mandatory minimal version >of >> >pahole, I think we should take a little bit of time and fix another >> >problematic issue and clean up Kbuild significantly=2E >> > >> >We discussed this before, it would be great to have an ability to >dump >> >generated BTF into a separate file instead of modifying vmlinux >image >> >in place=2E I'd say let's try to push for [0] to land as a temporary >> >work around to buy us a bit of time to implement this feature=2E Then, >> >when pahole 1=2E22 is released and packaged into major distros, we can >> >follow up in kernel with Kbuild clean ups and making pahole 1=2E22 >> >mandatory=2E >> > >> >What do you think? If anyone agrees, please consider chiming in on >the >> >above thread ([0])=2E >> >> There's multiple fixes that affects lots of stakeholders, so I'm more >inclined to release 1=2E22 sooner rather than later=2E >> >> If anyone has cycles right now to work on that detached BTF feature, >releasing 1=2E23 as soon as that feature is complete and tested shouldn't >be a problem=2E >> >> Then 1=2E23 the mandatory minimal version=2E >> >> Wdyt? > >If we make 1=2E22 mandatory there will be no good reason to make 1=2E23 >mandatory again=2E So I will have absolutely no inclination to work on >this, for example=2E So we are just wasting a chance to clean up the >Kbuild story w=2Er=2Et=2E pahole=2E And we are talking about just a few d= ays >at most, while we do have a reasonable work around on the kernel side=2E So there were patches for stop using objcopy, which we thought could uncov= er some can of worms, were there patches for the detached BTF file? - Arnaldo --=20 Sent from my Android device with K-9 Mail=2E Please excuse my brevity=2E