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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 A0F97C433FF for ; Mon, 29 Jul 2019 20:02:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6246B205F4 for ; Mon, 29 Jul 2019 20:02:46 +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="paAeo85e" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389452AbfG2UCp (ORCPT ); Mon, 29 Jul 2019 16:02:45 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:51716 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389868AbfG2TsP (ORCPT ); Mon, 29 Jul 2019 15:48:15 -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=zzcP4I/goZHDVfJXWOZ0ZR8llcddHlHoO7PLqf6pRVc=; b=paAeo85eyveVhvF3PvCr0gLul N4tE2hr/ulUCH6rCdBtQx6AAqXUFZPDbMfuESM9eAHKPeM2ASegUoDVOmBfvfzUPIWySv/Fh9Ke38 Vju0hZWjPPPdCjoOYrWHW/ttnN46zitw618lMV849kuYRuOKBVGCAR3u3Kd7J2KvjPK7pUWD4pF1g mKL1prjQ9Em8SYPBK/5bMGkkUkuZnYT8xnDbaLu6qKwzUJqhmB3qIQVpnXtg278n829UzBhqlaC6P u5p7PdlIwYycn9LKFueufo3y0FdxVx2+5a9blEkhA9f8zXfdTPGfo5pdu0i903WjP2rjwlttXDNUN GQ8Rfn+qw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hsBcv-0001d4-CN; Mon, 29 Jul 2019 19:48:09 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 473E020C9B163; Mon, 29 Jul 2019 21:48:07 +0200 (CEST) Date: Mon, 29 Jul 2019 21:48:07 +0200 From: Peter Zijlstra To: Thomas Gleixner Cc: LKML , x86@kernel.org, Steven Rostedt , "Paul E. McKenney" , Masami Hiramatsu , Paolo Bonzini Subject: Re: [patch 0/8] core, x86: Preparatory steps for RT Message-ID: <20190729194807.GQ31398@hirez.programming.kicks-ass.net> References: <20190726211936.226129163@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190726211936.226129163@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 Fri, Jul 26, 2019 at 11:19:36PM +0200, Thomas Gleixner wrote: > CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by > CONFIG_PREEMPT_RT. Both PREEMPT and PREEMPT_RT require the same > functionality which today depends on CONFIG_PREEMPT. > > The following series adjusts the core and x86 code to use > CONFIG_PREEMPTION where appropriate and extends the x86 dumpstack > implementation to display PREEMPT_RT instead of PREEMPT on a RT > enabled kernel. Acked-by: Peter Zijlstra (Intel)