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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 0604BC282D8 for ; Fri, 1 Feb 2019 12:09:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C904620869 for ; Fri, 1 Feb 2019 12:09:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Bo0Zbg84" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729825AbfBAMJK (ORCPT ); Fri, 1 Feb 2019 07:09:10 -0500 Received: from mail-pf1-f172.google.com ([209.85.210.172]:46418 "EHLO mail-pf1-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726582AbfBAMJK (ORCPT ); Fri, 1 Feb 2019 07:09:10 -0500 Received: by mail-pf1-f172.google.com with SMTP id c73so3092643pfe.13 for ; Fri, 01 Feb 2019 04:09:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=fZpMiKwOeewrj40v8/hphrAA/8AZ6zbGKkoRswf7HD8=; b=Bo0Zbg84WZIPiHkj/xBcSF4ge0mfNO01be320elT1Ik6ED+n3R7bbVNIHpQkmC6uRn kzhxjQHq7854lAey4Su1hBn2GHabKxCbctkxoxqdcWMSuJo7OL/XDRgYR3/ZbIxk+7Op JLllz5XEjIJrF7mlP4asSmUdIvMaBap8kiIbElNGKnCT6rEi5SJICVl3q5CzfbQU/y+C gI2M1I9SZJU4A1xZ57PtV47kl/xOExktfM8YThwBmtHJjQ8qhN43qSvRpgypzUX7ws9m Fw5Rs0OVGm11QvoMZGDnfmj5k4cYYue/nTyRyU4OPR9QqUhqNVL/HJV2Xn4Z+poznMRK YEsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=fZpMiKwOeewrj40v8/hphrAA/8AZ6zbGKkoRswf7HD8=; b=gkDlQMbSMn+KTXebxeC2OlmxjTif4DrnpWI9M2miVJUTXGh9VGZqkm2xmRDCW5Dl0/ yesxJtI97K6N2a+glmZ9p5saKiSpC+Q7SAT7ZW/S6SH/NBTM3lhL4OK2xf2BfwrKyaTV 44lS65R0y8/+p+urF6yyXV2MF7VYDGUfrf4GZNgO2IFI1uC1C/j6gGYPh9B4ESGVK1hu jJRZSCGw8AW8Jry9cBb1h7znnZE3Xvitov3zhirDUpAK8geQ7ku/Qj7hH3EcxAOm3WNV uz5ijGjgMeuDOMYGl5jTPI3AOc+bF23/usdleOsDglAYseBPZJCKNEZBRZWpNtaimTCp tP4w== X-Gm-Message-State: AHQUAubAgivYcG9p97uGZfQLL6BDO4/n7rm8u4U/TYp7aG0cjj/x/3Xf zKj2Kxab0BjFTcIzyngWt48= X-Google-Smtp-Source: AHgI3IY/Kb8rLSv8v4m8Cs4eYC/rYx5XiFZYiewVh9Uf1kMeB3/6+iYmro0MhVUfCWzsjng8JEyk3Q== X-Received: by 2002:a63:f141:: with SMTP id o1mr2054648pgk.134.1549022949146; Fri, 01 Feb 2019 04:09:09 -0800 (PST) Received: from [192.168.0.103] ([203.160.89.93]) by smtp.gmail.com with ESMTPSA id j9sm9034258pfi.86.2019.02.01.04.09.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 01 Feb 2019 04:09:07 -0800 (PST) Subject: Re: [PATCH/RFC 0/5] HW accel subsystem To: Greg Kroah-Hartman , Kenneth Lee Cc: Olof Johansson , linux-kernel@vger.kernel.org, ogabbay@habana.ai, jglisse@redhat.com, Andrew Donnellan , Frederic Barrat , airlied@redhat.com, linux-accelerators@lists.ozlabs.org References: <20190125181616.62609-1-olof@lixom.net> <20190201091040.GA159470@Turing-Arch-b> <20190201100711.GB17779@kroah.com> From: Kenneth Lee Message-ID: Date: Fri, 1 Feb 2019 20:09:01 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <20190201100711.GB17779@kroah.com> Content-Type: text/plain; charset=gbk; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ÔÚ 2019/2/1 ÏÂÎç6:07, Greg Kroah-Hartman дµÀ: > On Fri, Feb 01, 2019 at 05:10:40PM +0800, Kenneth Lee wrote: >> After the RFCv2 was sent to the lkml, we do not get much feedback. But the >> Infini-band guys said they did not like it. They think the solution is >> re-invention of ib-verbs. > No one needs to re-invent a monstrosity that is ib-verbs. If anything, > that is a model that should never be recreated again, showing that we > can learn from past mistakes :) > >> But we do not think so. ib-verbs maintains semantics of "REMOTE memory". But >> UACCE maintains semantics of "LOCAL memory". We don't need to send, or sync >> memory with other parties. We share those memory with all processes who share >> the local bus. > I agree, don't try to duplicate the mess that people moved away from > (hint, everyone sane wraps ib-verbs in another model that can actually > be used and understood...) > >> But we know we need more "complete" solution to let people understand and accept >> our idea. So now we are working on it with our Compression and RSA accelerator >> on Hi1620 Server SoC. We are also planning to port our AI framework on it. >> >> Do you think we can cooperate to create an framework in Linux together? Please >> feel free to ask for more information. We are happy to answer it. > Sure, that sounds like a great goal! Thank you very much for your encouragement:) Kenneth Lee > > thanks, > > greg k-h >