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=-5.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 30D2AC4338F for ; Wed, 4 Aug 2021 16:21:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 185CF60F41 for ; Wed, 4 Aug 2021 16:21:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236932AbhHDQVP (ORCPT ); Wed, 4 Aug 2021 12:21:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53062 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234064AbhHDQVI (ORCPT ); Wed, 4 Aug 2021 12:21:08 -0400 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0054DC061798 for ; Wed, 4 Aug 2021 09:20:54 -0700 (PDT) Received: by mail-pl1-x62a.google.com with SMTP id z3so3533736plg.8 for ; Wed, 04 Aug 2021 09:20:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=Blsw9uJymYLfijyUNBinF5G6R0q4SvzsVQ23Eh4NoY0=; b=b8ww/tg4FYxDW9YfrSroZXnnfvDiBWdwhYJrRfy5bTjJKuhZr+K4PaGhqeC0D3Eny9 bRs49N//zWRVTa0elwP6GnhMnxfmMjScc5qyWf5tAZId+pgYAP1Q1T9tQ3t36qDseYgM 6im3qSctY7i9QZsreWXZsfUuZilwuBQBufogE9KYL27wYh0fNLZMEZr0qKso7vBrIGTb Pr5iFSFnbdvJaA6cKx9tovDhwk7qLbkbxZs5VbNv8ea3jt8mK3baEuLdTJN4sP+bPq48 vGWpKWTU4Oza7zWRRDaSSYdAL8XV+CG9uemw+L9vmBkFgwyauirfoWJ/18ZuX6cDEUpW u6Xg== 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=Blsw9uJymYLfijyUNBinF5G6R0q4SvzsVQ23Eh4NoY0=; b=K7pCwufJP2VIkxSE3fI40RIyUo/uR2T2RCgN4ixc3KcJys/iZxyGu/S8pSK0l4A/AA tExTk44YwCzy2QF4CRkFJpuyDy1/MZpCEGnAM6w3oHu/UjTpVAyW+9li7XPwg29+b6II vGTnBp4awO07xD2A9FBmB9EZXTUY3GY8jnmtLFS0spId8dG0OsFOM0TKn3xb9Ci2vtXW j3R8QRCBS9VcFoZYhL8yJaKQH7DlgQBCAqZ72T6ZnGLOOaEEnUd0EpkJ0SSs0bMWGBuh l4ZfLTyVkb08VPBx02tuGfDr2mEs2gceR7gYg6GhWxIWyObgXRMEjMm6vMn6Emw2BAHZ htpA== X-Gm-Message-State: AOAM533/zbQZ2g/4r4zOJe5guXq2Zg4wGRxwx6T26vtNXbnu6BFy1pLt eU+GEmIchdzvdKfKGdKdhqAYclS6zuEBzZUA X-Google-Smtp-Source: ABdhPJzkJrewKqt+x4DZfi3kLYV4N6da8O0Wjb1KPYrYB3mTsqbJR7/a3TpKzsesHedSDullphFDyQ== X-Received: by 2002:a62:8fd4:0:b029:3af:3fa7:c993 with SMTP id n203-20020a628fd40000b02903af3fa7c993mr399648pfd.77.1628094054432; Wed, 04 Aug 2021 09:20:54 -0700 (PDT) Received: from [192.168.1.116] ([198.8.77.61]) by smtp.gmail.com with ESMTPSA id 81sm3566837pfv.185.2021.08.04.09.20.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Aug 2021 09:20:53 -0700 (PDT) Subject: Re: [ANNOUNCE] v5.14-rc4-rt4 To: Sebastian Andrzej Siewior Cc: Peter Zijlstra , Daniel Wagner , Thomas Gleixner , LKML , linux-rt-users@vger.kernel.org, Steven Rostedt References: <20210804110057.chsvt7l5xpw7bo5r@linutronix.de> <20210804131731.GG8057@worktop.programming.kicks-ass.net> <4f549344-1040-c677-6a6a-53e243c5f364@kernel.dk> <20210804153308.oasahcxjmcw7vivo@linutronix.de> <20210804154743.niogqvnladdkfgi2@linutronix.de> <7c946918-ae0d-6195-6a78-b019f9bc1fd3@kernel.dk> <20210804155747.cwayhjsdjc4zaubd@linutronix.de> <20210804162001.resdas32c6oy75o3@linutronix.de> From: Jens Axboe Message-ID: Date: Wed, 4 Aug 2021 10:20:52 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210804162001.resdas32c6oy75o3@linutronix.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/4/21 10:20 AM, Sebastian Andrzej Siewior wrote: > On 2021-08-04 10:05:39 [-0600], Jens Axboe wrote: >> So what do you propose in the interim? As far as io_uring is concerned, >> it's not a _huge_ deal to do the IRQ dance, but it does bother me that >> we're making things slightly worse for the mainline kernel just to make >> the out-of-tree patches happy. > > I'm sorry but I propose nothing other than the dance. I don't think > PeterZ/ tglx will appreciate the ifdefery to avoid the IRQ-on/off here. > I have no other ideas here. Alright, I'll see if I can think of something. Don't like doing ifdefs either, or enable checks - but at least it'd only hurt readability slightly at that point. -- Jens Axboe