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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 18890C433DB for ; Sun, 7 Mar 2021 11:57:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD3FD65100 for ; Sun, 7 Mar 2021 11:57:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229754AbhCGL5F (ORCPT ); Sun, 7 Mar 2021 06:57:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231159AbhCGL5E (ORCPT ); Sun, 7 Mar 2021 06:57:04 -0500 Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43DD2C061760 for ; Sun, 7 Mar 2021 03:57:04 -0800 (PST) Received: by mail-wm1-x330.google.com with SMTP id 124-20020a1c00820000b029010b871409cfso2089874wma.4 for ; Sun, 07 Mar 2021 03:57:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=daurnimator.com; s=daurnimator; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=2XTuDZrVnZ9EbYrXg7UvpBlJziCNJ1/b+V8IS2yeC5s=; b=rJV0gI4uii3RsLEZm5fBezPhA79NuurwIqf0KXXBr5WGUkbhY8U3fTg4AYT6a8eEQn p2peI3M3t/CmGP2DiEWbKMlcdCCta0oKxkXa6PpbA4dbdRO7roGRpcUlqk/beLNH/fM3 oUbTh5vt8FyjVk7gzNbaqkjCMKfIROp8RfjbQ= 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=2XTuDZrVnZ9EbYrXg7UvpBlJziCNJ1/b+V8IS2yeC5s=; b=DdKGpSl3+LM+Ih/fsua14PNiWIju7Un5f1y8CUQDVK4cVYDWycjgKldRAxnD1N9Gaw d8hINfJTZwKM5hsmaQqnUf6xkSe7isH0SliApZTuvBHy51Yt6y26zGT7tqxi30bwH6Dp yeb+LkhFK/mCGe45zKY/bZbFP3BYv0PBKAJR00Rc76G6qJl9tkVFbSpRJFUy55izVM5a UIQbbGygE6Xm4kYPgNLpmauGfVtUpNjfTYTKZst6pdIScpNpfJl8jq3OZ+px9mjRgdej l1W15kwySly5swaN/gaBkeI3OL+1E3i3J6I9v2iHR2KBmWNBkDZ3Vb/XdrckD9alhnty DXRg== X-Gm-Message-State: AOAM532skAgveYgTH5LN1cGblzTsP2NAWHDh9m+DjI/ZrVW5OAgGaGK3 WCjeByQW3mAja+hcBpuSu3bk/MsMrLFcOZEJjKtcug== X-Google-Smtp-Source: ABdhPJx7i4NCKGHtxzcVqNtjsN8i2IQC3TPI7GO6qh5F5odB7fEkjn8i2p3wFA1amIAbSqRQZqRUEgw5fCACA66FsMg= X-Received: by 2002:a7b:cdef:: with SMTP id p15mr17827353wmj.0.1615118222765; Sun, 07 Mar 2021 03:57:02 -0800 (PST) MIME-Version: 1.0 References: <20210304004219.134051-1-andrealmeid@collabora.com> In-Reply-To: From: Daurnimator Date: Sun, 7 Mar 2021 22:56:51 +1100 Message-ID: Subject: Re: [RFC PATCH v2 00/13] Add futex2 syscall To: Stefan Metzmacher Cc: =?UTF-8?Q?Andr=C3=A9_Almeida?= , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart , linux-kernel@vger.kernel.org, Steven Rostedt , Sebastian Andrzej Siewior , kernel@collabora.com, krisman@collabora.com, pgriffais@valvesoftware.com, z.figura12@gmail.com, joel@joelfernandes.org, malteskarupke@fastmail.fm, linux-api@vger.kernel.org, Florian Weimer , GNU C Library , linux-kselftest@vger.kernel.org, shuah@kernel.org, Arnaldo Carvalho de Melo , corbet@lwn.net, io-uring Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Sun, 7 Mar 2021 at 22:35, Stefan Metzmacher wrote: > Instead of having a blocked futex_waitv() waiting on an fd (maybe a generic eventfd() or a new futex2fd()) > would be a better interface? Like bring back FUTEX_FD? (which was removed back in 2.6.25)