Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp2708572pxb; Tue, 9 Mar 2021 09:00:21 -0800 (PST) X-Google-Smtp-Source: ABdhPJyat5qALl1mfu2NFBzCnXdVkuku0U4U1OTrtPznh71RnbL8yvPhvmOD40ARAeY6DcI3QEfN X-Received: by 2002:a17:906:5e50:: with SMTP id b16mr21832393eju.272.1615309219992; Tue, 09 Mar 2021 09:00:19 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1615309219; cv=none; d=google.com; s=arc-20160816; b=ZHdFVV+nckFGQZRT7KFXEEWspTsukJOlBhSi1S8thso+i9X2kGRRMaM98A8RwDhu5P f7DHNB4oq1mwy8zlbljHW9V1PFahQP/inNGW8QvN+ZEyoEtCQEy8LGCR0y+4oLZWRzrE MwNSfDMnpwUbBmV47e8FLpY0XKVg+RLGcvZjp7SFdVoCSwyC0VOIe/uf76WaO/mdVJEy QNmTKAHpHjRuNI52zViOKhmFR1QsZGhEmS9cE3f0xRLkJS9hjuKDpBW0Sc8midsGk+/H 1TJUiYW2+QTInzhiRzZ0/eRlJNw/At8sPI2168MogkJkWv/7DjInfe+q+hVvweYVsYXe ngTw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-disposition:mime-version:message-id :subject:to:from:date:dkim-signature; bh=qKoGol5i8+369WDG2dfWRUQDWOaqn8UMCBv4N+kp+ko=; b=kxWevOTJWDUkgoevt0dPwyN7mvxppv0bOpJodKnDl6VrcGFYFpZ7TexvcWvZK+Amlz yO6d5Yyd5KwCnuWY0z3oT+1IPkkDWIrMdyxtDujsGkD5zmjcvs9YY2g063/jSnd+0zF/ DrheJw2B8TougZ2OkBSvcwGmD0mH05EGmzLyCTR9LkW7LUII5RQXRAKR+AZ+xBx/Zkaw ndqJpBiteQFWJMFSu094c/D6HHllRBgwAgz87Ew3HAgUWkMHVsvlKHjfNC6dic6uFKbA HTlV+FQE8hUHIy0K6wlpiJoFryTMFuzuQ6YvCYfQYCozi4EGCR+HaWxLp4+wJayPKg8a XY/w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=eDxqP58G; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id gx22si2151753ejb.415.2021.03.09.08.59.56; Tue, 09 Mar 2021 09:00:19 -0800 (PST) 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=@infradead.org header.s=casper.20170209 header.b=eDxqP58G; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230319AbhCIQ64 (ORCPT + 99 others); Tue, 9 Mar 2021 11:58:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230303AbhCIQ6q (ORCPT ); Tue, 9 Mar 2021 11:58:46 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56616C06174A for ; Tue, 9 Mar 2021 08:58:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Type:MIME-Version:Message-ID: Subject:To:From:Date:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID: Content-Description:In-Reply-To:References; bh=qKoGol5i8+369WDG2dfWRUQDWOaqn8UMCBv4N+kp+ko=; b=eDxqP58GHbzY/vY2ZOPo1SVUkZ 4xsKyRkP/R2gszd0fMN1dv+SBtyNNGPcH6AMfWJzL8ZSE+Ziqpt5ypAr6i9HbowdSyzxk9afEy6W4 gkf+07TCUJ2aQJnQ5lDkc2hPjLq7BVvQhPlS+9nJX86SPn3Pxoe9775PL57ICGL4aqMoleKRhA26n gIGf8Ru2valdi3QqqewWKS87lmgRUwwiGkAeoautnyKslvhlCVyPr3kxStyHHR88r5s7Qz8odJbj0 AVdHeh0rlGBWaJScjoKnqgVNyklhfz0QJD9TphmJzUGxfeIIdlBM4hMvFXmeW4n4AXthQ0vObjv5E 974Tecqw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lJfgZ-000p8s-C0; Tue, 09 Mar 2021 16:58:25 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 532B4300238; Tue, 9 Mar 2021 17:58:18 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 0B9B62077BB0D; Tue, 9 Mar 2021 17:58:18 +0100 (CET) Date: Tue, 9 Mar 2021 17:58:17 +0100 From: Peter Zijlstra To: x86@kernel.org, Steven Rostedt , linux-kernel@vger.kernel.org Subject: The killing of ideal_nops[] Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, AFAICT everything made in the past 10 years ends up using p6_nops. Is it time to kill off ideal_nops[] and simplify life?