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=-3.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 D1480C2D0F1 for ; Tue, 31 Mar 2020 15:57:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A749D20784 for ; Tue, 31 Mar 2020 15:57:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="QnLhmESE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731034AbgCaP5S (ORCPT ); Tue, 31 Mar 2020 11:57:18 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:51242 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730105AbgCaP5S (ORCPT ); Tue, 31 Mar 2020 11:57:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=IR8334MICP/itrXFKZ7XJElA4DTHI+lesZJHs7BI8LI=; b=QnLhmESEiWE/1K1D2B4SbDT/jC kDF8e4PDMq1iCBqDKvpaFe9otGx76hwwO6MjPad0nWlQLO+crAZyAaVixKeOpcrWmwgKdK7PGp5Wr T0CDkPj0S6tiVlCEyreYIAHDNRzfqDd3J8bMJgNIojozqZIYSEG6qLYjHb7jRRdcHQqyVdCCWm0OG RuH6ytrENnYuifNr7UoQfbCg8qOwXr1OfAJKliI4a9rWmDVvR66xrRJUNhBd7FuQJjTt1Ink8eTwY hawXhf7LonA/tzC8QHqFc28WkVaudwCcibpoHPbAHnGSiIq4F+K+LXkqlHOC261z02sw7fsvcpw8p PjowFyqw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jJJGJ-00011I-9m; Tue, 31 Mar 2020 15:57:11 +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 C83AC3012D8; Tue, 31 Mar 2020 17:57:08 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id AA8B029D910D5; Tue, 31 Mar 2020 17:57:08 +0200 (CEST) Date: Tue, 31 Mar 2020 17:57:08 +0200 From: Peter Zijlstra To: Marcelo Tosatti Cc: linux-kernel@vger.kernel.org, Frederic Weisbecker , Chris Friesen , Thomas Gleixner , Andrew Morton , Jim Somerville , Christoph Lameter Subject: Re: [patch 3/3] isolcpus: undeprecate on documentation Message-ID: <20200331155708.GU20730@hirez.programming.kicks-ass.net> References: <20200328152117.881555226@redhat.com> <20200328152503.271570281@redhat.com> <20200331152217.GT20730@hirez.programming.kicks-ass.net> <20200331154146.GA28556@fuller.cnet> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200331154146.GA28556@fuller.cnet> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 31, 2020 at 12:41:46PM -0300, Marcelo Tosatti wrote: > On Tue, Mar 31, 2020 at 05:22:17PM +0200, Peter Zijlstra wrote: > > On Sat, Mar 28, 2020 at 12:21:20PM -0300, Marcelo Tosatti wrote: > > > isolcpus is used to control steering of interrupts to managed_irqs and > > > kernel threads, therefore its incorrect to state that its deprecated. > > > > > > Remove deprecation warning. > > > > > > Suggested-by: Chris Friesen > > > Signed-off-by: Marcelo Tosatti > > > > > > --- > > > Documentation/admin-guide/kernel-parameters.txt | 1 - > > > 1 file changed, 1 deletion(-) > > > > > > Index: linux-2.6/Documentation/admin-guide/kernel-parameters.txt > > > =================================================================== > > > --- linux-2.6.orig/Documentation/admin-guide/kernel-parameters.txt > > > +++ linux-2.6/Documentation/admin-guide/kernel-parameters.txt > > > @@ -1926,7 +1926,6 @@ > > > Format: ,,, > > > > > > isolcpus= [KNL,SMP,ISOL] Isolate a given set of CPUs from disturbance. > > > - [Deprecated - use cpusets instead] > > > Format: [flag-list,] > > > > > > > It's still an absolute horrible piece of crap though. nozh_full piling > > more and more shit on it doesn't make it more shiny. > > Hi Peter, > > Why do you dislike it? What you think would be a decent approach? Try and reconfigure it after boot.