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 963C7C28CBC for ; Wed, 6 May 2020 08:40:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 58F7A20714 for ; Wed, 6 May 2020 08:40:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="gfUQfWhZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728885AbgEFIkZ (ORCPT ); Wed, 6 May 2020 04:40:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51900 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728788AbgEFIkZ (ORCPT ); Wed, 6 May 2020 04:40:25 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E34A9C061A0F for ; Wed, 6 May 2020 01:40:24 -0700 (PDT) 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 43F1F1EC0347; Wed, 6 May 2020 10:40:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1588754423; 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=QFjHhP3IkdmmLirjfiA5LbNUJzvoaeyxRRz6vt0eiaY=; b=gfUQfWhZUow3+9pR+HwFzCYsS9fbo/HZUQXus6sn4Y7y0X8VZA0zFacnprOW7EblU8mJf5 SDlr8NlwMqqRK2Z/NlAkycDO+JLnyenSC/scztimGRQ76FxvwQNMKMEh5hlECcvi0/DBPE fM4+y/SMwOQT7jHban7+EoQfyWzmcmM= Date: Wed, 6 May 2020 10:40:19 +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: <20200506084019.GB25532@zn.tnic> References: <20200505131602.633487962@linutronix.de> <20200505134058.361859938@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200505134058.361859938@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 Tue, May 05, 2020 at 03:16:05PM +0200, Thomas Gleixner wrote: > The scheduler IPI has grown weird and wonderful over the years, time > for spring cleaning. > > Move all the non-trivial stuff out of it and into a regular smp function > call IPI. This then reduces the schedule_ipi() to most of it's former MOP s/MOP/NOP/ after clarifying it on IRC. :) -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette