Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp2876660pxf; Sun, 14 Mar 2021 15:44:34 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwYxXTQTbu6SQO6t0gi8sMqtswT7xluAfTqwHvHnlFnc6cn6Q26+EkftI4ktR3mRQxEunJE X-Received: by 2002:a17:906:f896:: with SMTP id lg22mr19953776ejb.124.1615761874751; Sun, 14 Mar 2021 15:44:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1615761874; cv=none; d=google.com; s=arc-20160816; b=u8zbktZqur+JWaaKGADpQVbMzJSk/ryvDw1vLVtsDw+JINyPU13NDAxcuN/TRPBsQ5 QWNtWwSHVPokgPQVm+jjEGkoCjXdMffIJAKAEE6GH0VrNfp+ewbL0Oq3sElSGg2MoPQD h78YyX2ED7ObXhxMvPBU0Dn6FzIIDDWEUB4tZ8RQED5+ll6Z7EegYAiO4CH/0zzbpNMT 8Rvl+hq7bwXyemTPGHP102Fd+YvKubjjMqcMw6bbZIlLq/GeIVPIEgVT7bIj+2SbZcj9 HbcyylToxCINLrkBtNksEASH0NDX3ffUijNcdzojfTlW2L4eHjGl7lK2as1ACbctqJZj EFUg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:user-agent:references:message-id :in-reply-to:subject:cc:to:from:date; bh=vDPyUNO60xm2FgxD/FloHPW7hwrb57F8Ejio3yMgQeE=; b=wo2lcDbWps0cqEgq7r5kkuGesIGKfXltUq5dW7Gc/nIe6neVJGYh8+fWISDqyDfvS7 iYVu15IBMFbFWUUOzlyFI6EFoH6EvVAqWY2+RfxL6FG2kl6BLOMkmjfoeyU0qVzDXMW+ c1PDyOco/spjaU1H9+QQWKEhzfitBkQYYT6ys0oOM3xFMc5EDDR3UbMEAh8deMVZuw3v GCeWatvRdLx+g19rmF/I4uSjorw1E4wTItx2FYY2cgnvp3M+ao2LrubTYjwo+f77Qe15 ebDyzIpt5cxwfWCOPWpohOydJycuNf5lQiGuxvCMW9kcSNntPWHxUn+N1ULYHi3rDkDx 0BGw== ARC-Authentication-Results: i=1; mx.google.com; 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 g15si5789070edk.323.2021.03.14.15.44.12; Sun, 14 Mar 2021 15:44:34 -0700 (PDT) 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; 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 S229519AbhCNWnQ (ORCPT + 99 others); Sun, 14 Mar 2021 18:43:16 -0400 Received: from angie.orcam.me.uk ([157.25.102.26]:37708 "EHLO angie.orcam.me.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229469AbhCNWnF (ORCPT ); Sun, 14 Mar 2021 18:43:05 -0400 Received: by angie.orcam.me.uk (Postfix, from userid 500) id 7349692009C; Sun, 14 Mar 2021 23:43:03 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by angie.orcam.me.uk (Postfix) with ESMTP id 6492192009B; Sun, 14 Mar 2021 23:43:03 +0100 (CET) Date: Sun, 14 Mar 2021 23:43:03 +0100 (CET) From: "Maciej W. Rozycki" To: Peter Zijlstra cc: Alexei Starovoitov , bpf , Steven Rostedt , "H. Peter Anvin" , X86 ML , LKML Subject: Re: The killing of ideal_nops[] In-Reply-To: Message-ID: References: <20210309120519.7c6bbb97@gandalf.local.home> <362BD2A4-016D-4F6B-8974-92C84DC0DDB4@zytor.com> <20210310091324.0c346d5f@oasis.local.home> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 10 Mar 2021, Peter Zijlstra wrote: > Below is the latest version which I just pushed out to my git tree so > that the robots can have a go at it. Do you want me to quickly check it with a real i486, or is it already covered by said robots (NB I wouldn't trust QEMU with such stuff)? Maciej