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=-0.8 required=3.0 tests=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 3D918C433E0 for ; Sat, 4 Jul 2020 19:11:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E9F25207CD for ; Sat, 4 Jul 2020 19:11:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=anarazel.de header.i=@anarazel.de header.b="ZsIo6bPd"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="SP3+ULCr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726895AbgGDTLa (ORCPT ); Sat, 4 Jul 2020 15:11:30 -0400 Received: from out3-smtp.messagingengine.com ([66.111.4.27]:46647 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726791AbgGDTLa (ORCPT ); Sat, 4 Jul 2020 15:11:30 -0400 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 10D2D5C0090; Sat, 4 Jul 2020 15:11:29 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute3.internal (MEProxy); Sat, 04 Jul 2020 15:11:29 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=anarazel.de; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm2; bh=UThXFHWu5GZp+p0oVXJ4NvAt9ij CXh1jb7YKHWnaIus=; b=ZsIo6bPdSNEtqvcP8HWcVdAveGL8Iq3z5nz4iq7CqgO wm/wCCBEoDHOak3WzylWYt+AvMt2T+qgdU7JyjjxiRxopouK4wTM1Y3ZT/eGqn7C aYHEspFv5VHYo2jSJDLA5Qyj0G/Sb1HVcqIE4h/XgowgOttfxJ2glGnfoIjsaMbl hHTJIyh9+OL8L2vliyQsqdTgRp4n98gKqcEYeDSM5VDXEerRGljLQnqoaxlFW7yT tf9cZ8Q/JrN28xqYw6M7k1Zi9WmYbnzUatRwzBMD/NaN9Bjc/bC2AbAdW14ke7P8 En7GtHntZHBGMdVCUD93j32DrM1U+ZNO1Wg9jZ9Rwfg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; bh=UThXFH Wu5GZp+p0oVXJ4NvAt9ijCXh1jb7YKHWnaIus=; b=SP3+ULCr0m3t8B/2fbtwfN h5j5aRMSL6dmE6GtBewr2JShTr/Ttpvlj1DMyDeBuQsMKNdBZN98exsDx7vApTym 6zQAJtsyOZLMpcYmtuACNOqzhS665BJyjE9z4Q2M0hwk3mFZzhil5LnCLzeYkwjM w38x1+JmL+03hg9E+5Dc3YX4njKOCmSOA73EtSQTO0fvxQ659A1roOcvgP26xp/R aSSj1zoInHsBtTrC9IAH7rW+LTmjUKk6420LogGOZ1Wvt9RMoqJrIGqz6MbWP3gQ YApc/aZDre1zhBvweZ5iilhG64tBwz9XIiqUFBZfSk7Ny4fzP4Y7525VE0GhWTHQ == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduiedrtdekgddufeeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpeetnhgurhgv shcuhfhrvghunhguuceorghnughrvghssegrnhgrrhgriigvlhdruggvqeenucggtffrrg htthgvrhhnpedukefhkeelueegveetheelffffjeegleeuudelfeefuedtleffueejfffh ueffudenucfkphepieejrdduiedtrddvudejrddvhedtnecuvehluhhsthgvrhfuihiivg eptdenucfrrghrrghmpehmrghilhhfrhhomheprghnughrvghssegrnhgrrhgriigvlhdr uggv X-ME-Proxy: Received: from intern.anarazel.de (c-67-160-217-250.hsd1.ca.comcast.net [67.160.217.250]) by mail.messagingengine.com (Postfix) with ESMTPA id 398493062999; Sat, 4 Jul 2020 15:11:28 -0400 (EDT) Date: Sat, 4 Jul 2020 12:11:27 -0700 From: Andres Freund To: Jens Axboe Cc: io-uring@vger.kernel.org, Oleg Nesterov Subject: Re: signals not reliably interrupting io_uring_enter anymore Message-ID: <20200704191127.f4fqzleo4r53p647@alap3.anarazel.de> References: <20200704000049.3elr2mralckeqmej@alap3.anarazel.de> <20200704001541.6isrwsr6ptvbykdq@alap3.anarazel.de> <70fb9308-2126-052b-730a-bc5adad552f9@kernel.dk> <7C9DC2D8-6FF5-477D-B539-3A9F5DE1B13B@anarazel.de> <624c0af9-886e-0c5f-0c35-dd245496b365@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Hi, On 2020-07-04 08:55:39 -0600, Jens Axboe wrote: > This tests out fine for me, and it avoids TWA_SIGNAL if we're not using > an eventfd. I tried this variant and it does fix the problem for me, all my tests pass again. I assume this will eventually need to be in stable for 5.7? Regards, Andres