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=-1.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 AA01AC282E5 for ; Sat, 25 May 2019 09:09:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 82D9C2168B for ; Sat, 25 May 2019 09:09:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=netronome-com.20150623.gappssmtp.com header.i=@netronome-com.20150623.gappssmtp.com header.b="JMZB+kZT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726720AbfEYJJT (ORCPT ); Sat, 25 May 2019 05:09:19 -0400 Received: from mail-wm1-f66.google.com ([209.85.128.66]:51579 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726376AbfEYJJS (ORCPT ); Sat, 25 May 2019 05:09:18 -0400 Received: by mail-wm1-f66.google.com with SMTP id f10so4124830wmb.1 for ; Sat, 25 May 2019 02:09:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netronome-com.20150623.gappssmtp.com; s=20150623; h=references:user-agent:from:to:cc:subject:in-reply-to:date :message-id:mime-version; bh=k/uq3QuHYJNZ9DfxUmqixLeELosy6Cl/suStGs9+peA=; b=JMZB+kZTa7DkZWF5rYFI3NSTTKsi63QvETkz2wndiIG3Cjivj4rAGQUDJuayoxYqpL N/Qo60TJr5Pet/fw/usNhJ/RANBWqGjFybVJtPGFIosq5KxI+syt4zErEjU8i0UrLUNl iHTR7kafvftMey83Cyi769OdIxwJ5RcM0AiguGoB6qy1lWGdnOiIhkQrrjpOGuB6GEYX jCu3ZRIzGWMjekzjt96Jpu5daOdgW40BBKLFQR96g8HmS9/fr6B8GidZ3bhTFzscth+e Ye94lOz0HqeF75epFlXyzKP+5dRKwopmom/xUMlNfweDSlkx+uBWdMCnGhMZFnIMpyYt Dnqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:references:user-agent:from:to:cc:subject :in-reply-to:date:message-id:mime-version; bh=k/uq3QuHYJNZ9DfxUmqixLeELosy6Cl/suStGs9+peA=; b=GZ5C7drA4vRCX+AbrdMtiRFoRdI82ONzfJ4EoXQ5zLpa9GzjjHddFnCLvH0h8G6mnZ hlTqIBjl7DxUK7rFgRKbsvClmX5ANYhxaX51ZW13gILqGTE54VzuuBod/XH8dM8UtbVc gXxQfBG7c27M9qHnNbZIXTtmWtu7NVmzBj6EGYGhAifGG3MlhkwXjPiPq4ML6zl9IHlp EhSuB3emd0XoIy2vBfbH1q9nstoWHaqJUgLjppOdWxh0uoTvJKS7+u1g3Oeu6ZQ9WIhN i4GY2hjJeaqRs//8qephgs/Bf3a22yK8vaJavZS7zMMS+bT77fBuGyPqCed7Dvvt+JQN BAzw== X-Gm-Message-State: APjAAAVbp2mlxQRpT6D/wzkagaM6sZM1Xpo863MBM1LYeIuTv+l0ABi3 bp6MYLZatcRwlfdDa6TgoSSN8g== X-Google-Smtp-Source: APXvYqxpKo0suvuOJXTNl3G3D7blNjblMNcQUinzwZxqmHGf87wAUdNOQ+YNxUSVhi+FMomvjIarhg== X-Received: by 2002:a7b:c549:: with SMTP id j9mr2726190wmk.122.1558775356841; Sat, 25 May 2019 02:09:16 -0700 (PDT) Received: from LAPTOP-V3S7NLPL (cpc1-cmbg19-2-0-cust104.5-4.cable.virginm.net. [82.27.180.105]) by smtp.gmail.com with ESMTPSA id l8sm3354097wrw.56.2019.05.25.02.09.15 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 25 May 2019 02:09:15 -0700 (PDT) References: <1558736728-7229-1-git-send-email-jiong.wang@netronome.com> <20190525020736.gty5sdcu5jakffet@ast-mbp.dhcp.thefacebook.com> User-agent: mu4e 0.9.18; emacs 25.2.2 From: Jiong Wang To: Alexei Starovoitov Cc: Jiong Wang , daniel@iogearbox.net, bpf@vger.kernel.org, netdev@vger.kernel.org, oss-drivers@netronome.com, davem@davemloft.net, paul.burton@mips.com, udknight@gmail.com, zlim.lnx@gmail.com, illusionist.neo@gmail.com, naveen.n.rao@linux.ibm.com, sandipan@linux.ibm.com, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, jakub.kicinski@netronome.com Subject: Re: [PATCH v9 bpf-next 00/17] bpf: eliminate zero extensions for sub-register writes In-reply-to: <20190525020736.gty5sdcu5jakffet@ast-mbp.dhcp.thefacebook.com> Date: Sat, 25 May 2019 10:09:13 +0100 Message-ID: <87zhnagati.fsf@netronome.com> MIME-Version: 1.0 Content-Type: text/plain Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Alexei Starovoitov writes: > On Fri, May 24, 2019 at 11:25:11PM +0100, Jiong Wang wrote: >> v9: >> - Split patch 5 in v8. >> make bpf uapi header file sync a separate patch. (Alexei) > > 9th time's a charm? ;) Yup :), it's all good things and helped us reaching a solution that fits verifier's existing infra. > Applied. > Thanks a lot for all the hard work. > It's a great milestone. Thanks. And I guess the answer to the question: "Q: BPF 32-bit subregister requirements" inside Documentation/bpf/bpf_design_QA.rst now could be updated to mention LLVM and JIT back-ends 32-bit supports, will send out an update on this. > Please follow up with an optimization for bpf_patch_insn_data() > to make it scaleable and undo that workaround in scale tests. Sure, will do. Regards, Jiong