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=-4.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 9745FC47082 for ; Mon, 7 Jun 2021 11:32:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7CE7861008 for ; Mon, 7 Jun 2021 11:32:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231347AbhFGLdw (ORCPT ); Mon, 7 Jun 2021 07:33:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41908 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231214AbhFGLdv (ORCPT ); Mon, 7 Jun 2021 07:33:51 -0400 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9B810C061766; Mon, 7 Jun 2021 04:32:00 -0700 (PDT) Received: by mail-wr1-x42d.google.com with SMTP id c5so17160804wrq.9; Mon, 07 Jun 2021 04:32:00 -0700 (PDT) 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-language:content-transfer-encoding; bh=Uxb/A2MPjXbzASHgkfy5YKJHStSLK7BqExmqWzuI9d8=; b=rKYLxOVBkYBEiIuEmWQ1i67DYBA3NJInMYDNtkTA+2EDZydoj5dM1WRyR9jSX5c+5I cuuNjOwJaouNFGCBn0daD9Nm0pB70MC/vN1Uafd/Zq7UtoD7CKg0Zo7Bw7AGFZ+aZyec 6kOEHSsQFy3Vm2r4lwJloMm4WqZesN0cpyUn0Ao8z6/nbx7kUnfkD+F47TsXsqVAGnr5 SVlQwsrB/ihmrG0Q91cu/bH38V4t8DOPd1+asWa85wv2rNAawmnyx7nOhgG4toGLBPkk 2bhiKy5EYYTY/H2/xl0bFA0zSq8Imb9eDj9OizAZRkBZdBP2rBjDDpJyAHbOI9ClPRKt ZaWQ== 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-language :content-transfer-encoding; bh=Uxb/A2MPjXbzASHgkfy5YKJHStSLK7BqExmqWzuI9d8=; b=UcFWa1TVuSMdCeqaHoNamHmyjmTh7KNLnNB6Pu27bIOx2EyGPxwB8NkmwykgLpVqF+ voL9VrXScftw+6YVgnsNK6SfFuTS/Cu1LsmZd38h9vEymo52ZAect4cnwmpixfVGAOOC 7XPLPn6fjXc0fgWG2lGuSjLONlrcF93JE9D2El475M9DmA+73ERXSZxUQV2Uj4ftCmYm 6lLWKMFhnVNQVu9TjYEmd2TDXbrnEvuR2lhi2Q3KiuGtQGmcLRWRVZkCLPhwZLgrDAgG 4XbbzK2qlIOoPiZaZwn9W3sZgG8LsWrO4ifC6oylIXGrb7uU7B1CIB3q2LyrFSNoNtCB op6Q== X-Gm-Message-State: AOAM533NNuLQoNZSi6ILZ+nRqFfWuquPNf6urUTVCffTMmAMfRV4il/Z nqaST0CjK6y5qhTuk5f2fpnwLFpYAq7kFCfL X-Google-Smtp-Source: ABdhPJyXzTxXdRFsNQTRJTztyPbxgKUGoZhvQksk6HeUu8Xgw5RMarJdOACZU+aW775/RLr5rzYIfw== X-Received: by 2002:adf:f207:: with SMTP id p7mr11098933wro.275.1623065519049; Mon, 07 Jun 2021 04:31:59 -0700 (PDT) Received: from ?IPv6:2620:10d:c096:310::2410? ([2620:10d:c092:600::2:457c]) by smtp.gmail.com with ESMTPSA id x10sm5090086wrt.26.2021.06.07.04.31.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 07 Jun 2021 04:31:58 -0700 (PDT) Subject: Re: [RFC 4/4] io_uring: implement futex wait To: Thomas Gleixner , Andres Freund Cc: Jens Axboe , io-uring@vger.kernel.org, Ingo Molnar , Peter Zijlstra , Darren Hart , Davidlohr Bueso , linux-kernel@vger.kernel.org References: <409a624c-de75-0ee5-b65f-ee09fff34809@gmail.com> <5ab4c8bd-3e82-e87b-1ae8-3b32ced72009@gmail.com> <87sg211ccj.ffs@nanos.tec.linutronix.de> <20210603190338.gfykgkc7ac2akvdt@alap3.anarazel.de> <87v96tywcb.ffs@nanos.tec.linutronix.de> From: Pavel Begunkov Message-ID: <131a59af-a625-27b3-433e-ff8b7c36753e@gmail.com> Date: Mon, 7 Jun 2021 12:31:48 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <87v96tywcb.ffs@nanos.tec.linutronix.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 6/5/21 1:43 AM, Thomas Gleixner wrote: > Andres, > > On Thu, Jun 03 2021 at 12:03, Andres Freund wrote: >> On 2021-06-01 23:53:00 +0200, Thomas Gleixner wrote: >>> You surely made your point that this is well thought out. >> >> Really impressed with your effort to generously interpret the first >> version of a proof of concept patch that explicitly was aimed at getting >> feedback on the basic design and the different use cases. > > feedback on what? > > There is absolutely no description of design and obviously there is no > use case either. So what do you expect me to be generous about? That's a complete fallacy, the very RFC is about clarifying a use case that I was hinted about, not mentioning those I described you in a reply. Obviously -- Pavel Begunkov