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=-3.9 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 5F2F1C433E1 for ; Wed, 19 Aug 2020 16:47:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 36BD820882 for ; Wed, 19 Aug 2020 16:47:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kroah.com header.i=@kroah.com header.b="MnWLKAp9"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="snbqwbHi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726815AbgHSQrS (ORCPT ); Wed, 19 Aug 2020 12:47:18 -0400 Received: from wout2-smtp.messagingengine.com ([64.147.123.25]:46643 "EHLO wout2-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725939AbgHSQrP (ORCPT ); Wed, 19 Aug 2020 12:47:15 -0400 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.west.internal (Postfix) with ESMTP id 49B04246; Wed, 19 Aug 2020 12:47:14 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Wed, 19 Aug 2020 12:47:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:content-transfer-encoding:in-reply-to; s=fm1; bh=p wYXF6UAfi/NEMDJzpGN/PpRVDdHjhNorcnozan73zc=; b=MnWLKAp9cULxS82Vu xp72GcvzC+EMKXvXfR3dKNDdevka/fSEK7j0ditjhWXmpfrNyEOHLxpBQfBnemBL 58skJuZz3C+roifCbwFJc8HPUNZP1nEOusCVytdKFWQo+GUS/EbTQp9h+5Ehcvzo QxPdCwyicO4fZ1IZElfT2NGMAkiz5fBdsjjq03uRtWbtPgxv0V+lPTLTQO6GKOcn brgQaHK3OsQQ3pjJSOHlCMv+qdpNLyUB7quqd6oibuJzH87H4zebf9zcfHBL1jNY j2RX6vmZneco+AuK60C+sjiQ94bNUsazbKDEP0AGvXHneVICDS81w7snXnS6c0me DsNIg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding: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=pwYXF6UAfi/NEMDJzpGN/PpRVDdHjhNorcnozan73 zc=; b=snbqwbHiM1gFDTOdLrPGUTlB4/AZ6s7pfhu5md2Mx/sBGpKj8+L9dI9D6 DhIdTWMKfF0AMsv55G8zcAHXP+24aiuzcPsKgbRSP5078SvlnZBc4X4M0f+YYD86 s7Kz4J4TdYuPDJ0RUtWJYmDTVPq47ZofQYvvuRgJe1KuoZCKpGfgxiVZZ8Tdct1p Tjt0eAciSVynJgEQvghV8Hdx86PiwgC9euEkuxaoabvLXVH0NbCSa0h12/zMVxpm m60dtf+8ZSd2l35Is2nb1DVK8k2AxfRzJRQfsbI9NUdX4h9DC7mnuBjRjOufcjge xn0Ank1dwWKmhT5IaMpTSpPGKSdIg== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduiedruddtkedgkeduucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtugfgjgesthekredttddtjeenucfhrhhomhepifhrvghg ucfmjfcuoehgrhgvgheskhhrohgrhhdrtghomheqnecuggftrfgrthhtvghrnhepueehke ehlefffeeiudetfeekjeffvdeuheejjeffheeludfgteekvdelkeduuddvnecukfhppeek fedrkeeirdekledruddtjeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmh grihhlfhhrohhmpehgrhgvgheskhhrohgrhhdrtghomh X-ME-Proxy: Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) by mail.messagingengine.com (Postfix) with ESMTPA id C409130600B9; Wed, 19 Aug 2020 12:47:12 -0400 (EDT) Date: Wed, 19 Aug 2020 18:47:35 +0200 From: Greg KH To: Valdis =?utf-8?Q?Kl=C4=93tnieks?= Cc: Muni Sekhar , peter enderborg , kernelnewbies , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Subject: Re: Scheduler benchmarks Message-ID: <20200819164735.GA3698439@kroah.com> References: <20200818143633.GA628293@kroah.com> <20200818171457.GA736234@kroah.com> <20200818173656.GA748290@kroah.com> <84362b8b-971f-fb89-115d-41d2457c24fd@sony.com> <20200819104254.GA41946@kroah.com> <135393.1597855432@turing-police> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <135393.1597855432@turing-police> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 19, 2020 at 12:43:52PM -0400, Valdis Klētnieks wrote: > On Wed, 19 Aug 2020 12:42:54 +0200, Greg KH said: > > Look up Spectre and Meltdown for many many examples of what happened and > > what went wrong with chip designs and how we had to fix these things in > > the kernel a few years ago. > > And I'm sure that nobody sane thinks we're done with security holes > caused by speculative execution... :) Hah, not at all, the patches keep flowing in, as do the microcode updates...