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=-7.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 BC543C10F14 for ; Tue, 16 Apr 2019 09:36:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 81A4420652 for ; Tue, 16 Apr 2019 09:36:40 +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="ttl2ml0j" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729044AbfDPJgk (ORCPT ); Tue, 16 Apr 2019 05:36:40 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:50180 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728748AbfDPJgh (ORCPT ); Tue, 16 Apr 2019 05:36:37 -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:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=p6lz7Wbd96oL4yTRFGFSupuDTjAEPYWCuPOmnA8Ap9s=; b=ttl2ml0jYeWFr+XJeaHxjn6jP 2S8sUaSKZt7msTHXpYjlOanLT2cCo0rPhZGpgoByzVlTb9tay2hgM1aKnfSWDoAyqiPCy7FLSEfsS 0YmAD8t1jZuqM7sr5oFwyLzcK7rGpDUL72XrRyaFDF82WVnDfMddsXBMXmyhO7rYaG1NvqQQw8wmy dPoR3KQlkatoey6v3k+AEgfH8vVsYB+gaxnari/JfVMnVXzmfYrY6T1WsbB4XY3Z1kcU1ZlpDHOk6 Fbow8dQLdKgf2AULri5prz8sJ6v4nZY4TfWaReqJkNWPwHiQfxE1RQZszQfBH+NErzP0oLzr8Pb+K twXcrgGjg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hGKW3-0001ry-Ll; Tue, 16 Apr 2019 09:36:36 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 2F1ED29B5EFA0; Tue, 16 Apr 2019 11:36:34 +0200 (CEST) Date: Tue, 16 Apr 2019 11:36:34 +0200 From: Peter Zijlstra To: bigeasy@linutronix.de, hpa@zytor.com, mingo@kernel.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, tglx@linutronix.de, john.ogness@linutronix.de Cc: linux-tip-commits@vger.kernel.org Subject: Re: [tip:sched/core] sched/core: Document that RT task priorities are 1...99 Message-ID: <20190416093634.GS11158@hirez.programming.kicks-ass.net> References: <20190403210821.10916-1-bigeasy@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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, Apr 16, 2019 at 01:13:11AM -0700, tip-bot for Sebastian Andrzej Siewior wrote: > Commit-ID: 37a8f8590f307db8f8cfa62dfd82b3fc0978607c > Gitweb: https://git.kernel.org/tip/37a8f8590f307db8f8cfa62dfd82b3fc0978607c > Author: Sebastian Andrzej Siewior > AuthorDate: Wed, 3 Apr 2019 23:08:21 +0200 > Committer: Ingo Molnar > CommitDate: Tue, 16 Apr 2019 10:06:08 +0200 > > sched/core: Document that RT task priorities are 1...99 > > John identified three files which claim that RT task priorities start at > zero. As far as I understand, 0 is used for DL and has nothing to do > wihich RT priorities as identified by the RT policy. DL is -1, 0 is still very much FIFO/FF