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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 6CD71C28CBC for ; Wed, 6 May 2020 10:03:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B01520753 for ; Wed, 6 May 2020 10:03:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="XmQBFBEA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728735AbgEFKDD (ORCPT ); Wed, 6 May 2020 06:03:03 -0400 Received: from mail.skyhub.de ([5.9.137.197]:60164 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728314AbgEFKDD (ORCPT ); Wed, 6 May 2020 06:03:03 -0400 Received: from zn.tnic (p200300EC2F06960035CE382CC05E0B20.dip0.t-ipconnect.de [IPv6:2003:ec:2f06:9600:35ce:382c:c05e:b20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id E32101EC030F; Wed, 6 May 2020 12:03:01 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1588759382; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=hisy4FfcANfVY69ugOc5P7tdWlvofA+codCJ8A0yxi8=; b=XmQBFBEAiiKlfQyRzFFR90/blg4/TDHouBNQXaKylX6xkWGUrba+zsYjvLIOP91IcIV1iG EwA907JiLyyOM2mmrK61zahgehT1R6L2f9Sn2S7AgLkkh/yWgXenkseXvC/cUzBt7sXxTY 2LBUo/C+wc62tXB4U72qcxy6uuNzliM= Date: Wed, 6 May 2020 12:02:56 +0200 From: Borislav Petkov To: Thomas Gleixner Cc: LKML , x86@kernel.org, "Paul E. McKenney" , Andy Lutomirski , Alexandre Chartre , Frederic Weisbecker , Paolo Bonzini , Sean Christopherson , Masami Hiramatsu , Petr Mladek , Steven Rostedt , Joel Fernandes , Boris Ostrovsky , Juergen Gross , Brian Gerst , Mathieu Desnoyers , Josh Poimboeuf , Will Deacon , "Peter Zijlstra (Intel)" Subject: Re: [patch V4 part 1 03/36] sched: Clean up scheduler_ipi() Message-ID: <20200506100256.GC25532@zn.tnic> References: <20200505131602.633487962@linutronix.de> <20200505134058.361859938@linutronix.de> <20200506084019.GB25532@zn.tnic> <87ftcdo29o.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <87ftcdo29o.fsf@nanos.tec.linutronix.de> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 06, 2020 at 11:12:35AM +0200, Thomas Gleixner wrote: > It was NOP long ago. Now it's Minimal OPeration :) LOL, a new instruction: MOP. I can think of a couple of x86 instructions which can be MOPs. :-P -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette