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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 4C80EC7618F for ; Wed, 17 Jul 2019 01:18:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2540D20665 for ; Wed, 17 Jul 2019 01:18:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="qAb4kIaP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726108AbfGQBSE (ORCPT ); Tue, 16 Jul 2019 21:18:04 -0400 Received: from mail-lf1-f65.google.com ([209.85.167.65]:41126 "EHLO mail-lf1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726075AbfGQBSD (ORCPT ); Tue, 16 Jul 2019 21:18:03 -0400 Received: by mail-lf1-f65.google.com with SMTP id 62so10218753lfa.8; Tue, 16 Jul 2019 18:18:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=cGIrD8hmFJN1O8PXvtPzZbs27wrTnDcmi4staxVd3OI=; b=qAb4kIaPKdgexPaSXtzjYxWmilrDzboXMzAQ75KtpRLYXailuTWRPOkerE8fyK2CE8 QYFImlF3YoVD5qiSxrCBTBzjTHkekfY2gcaZrxL4r/BTxH2oczbZ+dk9L1GwtzscHeDg 98p6wKF3je75O+8s0IGmHoGeX5nt20RXcP2Hm5wf+7+mi0Te7O52ra2Fsa6HCYqYb+3Y zX2TMFcslGRuoHPc2y115AADgTt6gqswC9AMDQzdiKH3eGPM9N3cJFpTtTWF5ec7aaJ0 mmUBXZIQTnJWjJ5Xtl6LuIdsmvwqqop0Thh/Oc7KAh9pV2r9UL/LjXB1lojJR1mHfQG8 GaNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=cGIrD8hmFJN1O8PXvtPzZbs27wrTnDcmi4staxVd3OI=; b=gCCJGab19141hNaWmPKVtcBmIp1R8zS/KKoSIMrr87wgpa/zqtWzV4PqM0g6qGtGi2 +5P5kLXtbpPh8cV7C0K2ucNu7F+mZmG5a4nPEP67f68Urm9nTASqhzlVpymQRhK1VHVp eZCA4Vz/xZL4lA2QgBJYh6MbHPlsUYRkYEYc82HKJWx4lAtMYKccwVAmQ94hkGr/U2l5 Z4/xfSRKMY9FW+JJceEzPAB86XrUNW0zdgeDcyyxP2bnab/wR25pVmwi1HUFCdiuOQoS 9zKRRppwl2QaHihmwMre8Y/y1fIIS+9DCTOjyRHl0hjA5LySmtbtcauseE5mBvMSyGue RF3g== X-Gm-Message-State: APjAAAWMFrdUOmwGalO2p3eftDIbySYr9dS3g6cJQX6U2XvdgEeb2n8Z 6n0uqsj/oQwvEBYOBbcSw/O1nHwFYNUqgvrZWSA= X-Google-Smtp-Source: APXvYqzIUUcr4f0vfvtcm3leALHR2jLLCZsjwSgpnOid53MDmvyhMH9vJ45jDJt0oRiAo8ecibzdGvlu+hgkVhvU6Z4= X-Received: by 2002:ac2:465e:: with SMTP id s30mr2156488lfo.19.1563326281722; Tue, 16 Jul 2019 18:18:01 -0700 (PDT) MIME-Version: 1.0 References: <1562275611-31790-1-git-send-email-jiong.wang@netronome.com> <87r26w24v4.fsf@netronome.com> <87k1cj3b69.fsf@netronome.com> <87wogitlbi.fsf@netronome.com> <20190716161701.mk5ye47aj2slkdjp@ast-mbp.dhcp.thefacebook.com> <20190716151223.7208c033@cakuba.netronome.com> In-Reply-To: <20190716151223.7208c033@cakuba.netronome.com> From: Alexei Starovoitov Date: Tue, 16 Jul 2019 18:17:49 -0700 Message-ID: Subject: Re: [RFC bpf-next 0/8] bpf: accelerate insn patching speed To: Jakub Kicinski Cc: Jiong Wang , Andrii Nakryiko , Daniel Borkmann , Edward Cree , "Naveen N. Rao" , Andrii Nakryiko , bpf , Networking , oss-drivers@netronome.com, Yonghong Song Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Jul 16, 2019 at 3:12 PM Jakub Kicinski wrote: > > On Tue, 16 Jul 2019 09:17:03 -0700, Alexei Starovoitov wrote: > > I don't think we have a test for such 'dead prog only due to verifier walk' > > situation. I wonder what happens :) > > FWIW we do have verifier and BTF self tests for dead code removal > of entire subprogs! :) Thanks! Indeed.