Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp1528985pxj; Fri, 4 Jun 2021 17:45:12 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyyFdrVLBoN379/KLJg4grguv3oOzyZgKMY/cHwtiTxxMhC5jwm6y6Xnm5EcqInmxcRtn+/ X-Received: by 2002:a17:906:5289:: with SMTP id c9mr6909126ejm.342.1622853912631; Fri, 04 Jun 2021 17:45:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1622853912; cv=none; d=google.com; s=arc-20160816; b=aaE2bk+AMv5ccVg8SbYNLddDX4dD2fXiNOrr8RoYPbbXkhsAyS+PXI17N5/pmjiN1H apAnQ/detdJe4k6JEqX8ToiXsgvlXDY1MnCdIcS09EYcyAMtOpWymVCcbXl9dUb6dPtv i3Y/k5JYtKF7nw7rxPvDwHFoGzqPJE7WCJ7+dSDVkzal1N7y7N+ThForHU5T65OpASUU A+Abth0Xy3TYMBQT/5EKrKXEMeEDAd502C5iycn6jIWOqhuEK8CJqUy4AkzkBhBVnv/3 LjayIviO70oNAssZGbGtf3EfKPiyUFiRt6nyLql+m+rSj9URrNlbR13eDDYokolNLuMP Mt+A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:message-id:date:references :in-reply-to:subject:cc:to:dkim-signature:dkim-signature:from; bh=7JK99x2aCiwHcKoHUwYLrlYiiXcsZf3XTECQ6JDeNtg=; b=OK2T5JgKs4nP+fI77Zm/8fqsrhO9fC23v4wgfZE6MX2BCMIktLcW3hD/eIdH1HjY1Y siYDIzlAKKNjOHBrlYgB8LWE4qyiCkLFGJ9AEKmdKJ+tTg+AwLRNAyqjbavbbTv6bP9F tk808ztRzt5PbPdVMGCLgAYf+afTFDb4Tfjq6n4j2i44+9ARb8vs/AKK4XuL/2ZKQba+ BL/VNhXqmDC5Pou5RYcbOTEeNrQ210QnjqpOg/bxyo2mbc52j2f0sX6NXXnxpJ0h4wG2 lq2RUmxrDJoGP+v/g7E3ApeeL9OS9ahamQTWnxHAAfXSDPTUGnwSQWqtp5ofkwUrcM+W kGQg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b="2dFyG/Sf"; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e header.b="3GLJtO/f"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id gb8si7149461ejc.558.2021.06.04.17.44.49; Fri, 04 Jun 2021 17:45:12 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b="2dFyG/Sf"; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e header.b="3GLJtO/f"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230299AbhFEAph (ORCPT + 99 others); Fri, 4 Jun 2021 20:45:37 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:56540 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230169AbhFEAph (ORCPT ); Fri, 4 Jun 2021 20:45:37 -0400 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1622853829; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=7JK99x2aCiwHcKoHUwYLrlYiiXcsZf3XTECQ6JDeNtg=; b=2dFyG/SfB92H9PmpDRA7soX43NyiXJu1t6mOaoUOGo0g0VHQ/IOOojofkC2yqpX/00XBD6 jzjlQEl/0v1ybdFTNz4DbGuWgRASZTpxu8tWzCFMf96E6+CjEreuKTSUvBeD9DEli2aony WwWO2/QqLyCJi8z68NoQ5mje4AYZjR09I94DNY/am7et2qYz8GMnpk4JIdKxqDoIKn+jOO LB9yrSeuiqxVNzjwOJXDoAHDZr9K0EiHFDFmG4MOZrvUgcvGDj/f+h91GkWO4oB4KMhHMH /U1i92y7qYJECjA38oaT9Gkpcs/UzFTy4MngINYpBOXEiVda3xwthcuBRngZCA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1622853829; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=7JK99x2aCiwHcKoHUwYLrlYiiXcsZf3XTECQ6JDeNtg=; b=3GLJtO/fwiRXRqqM30wtOeGyzNH971QME09g79BySukpMaZ497oO0wX9kbhyAnbqE1v9bN WAPj0Z9sYg5l+qCA== To: Andres Freund Cc: Pavel Begunkov , Jens Axboe , io-uring@vger.kernel.org, Ingo Molnar , Peter Zijlstra , Darren Hart , Davidlohr Bueso , linux-kernel@vger.kernel.org Subject: Re: [RFC 4/4] io_uring: implement futex wait In-Reply-To: <20210603190338.gfykgkc7ac2akvdt@alap3.anarazel.de> 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> Date: Sat, 05 Jun 2021 02:43:48 +0200 Message-ID: <87v96tywcb.ffs@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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? Thanks, tglx