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=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 D8787C63697 for ; Wed, 18 Nov 2020 14:05:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C37822240 for ; Wed, 18 Nov 2020 14:05:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Lc+iP3vY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726683AbgKROFL (ORCPT ); Wed, 18 Nov 2020 09:05:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35222 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725613AbgKROFK (ORCPT ); Wed, 18 Nov 2020 09:05:10 -0500 Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B2B5C0613D4 for ; Wed, 18 Nov 2020 06:05:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.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=SRmITErRt273liPjxpQOr8k10eGyCVQd+oV0RHOfBgg=; b=Lc+iP3vYX/J/TWn3D4stEmb+V5 ttvAK1YsmPryTwE0+L1P/jjlGcNq8vgv0SSqiTHmWIjLP3k/wGrHQzs9MaAmQIqjZSwvwNHT1TRez 4d24VAkkv9AJoIAXUJvfY8+4WhrUsgQbueGve5RMuxjBWwq/cOunRXTqXG8JZgYm7V4m4fEG2F8QH lc2vXMkQRdEAqlbwnVVftOdDsNCE0Mm0vlqDRaFmdmlocKf2LfZ/u+uW/LmFA9whT9mDO3WFeet7v LZSgBCiZvN+3hhPZXPVD5HVeYkEJC0yIP1sjtHib+QDPREIX8hj46kbZhonfmI1Snq7nMlwGsZXco IPV8+qqQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kfO53-0003sB-2h; Wed, 18 Nov 2020 14:05:05 +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 A58933012C3; Wed, 18 Nov 2020 15:05:03 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 8FCFA2BC27D38; Wed, 18 Nov 2020 15:05:03 +0100 (CET) Date: Wed, 18 Nov 2020 15:05:03 +0100 From: Peter Zijlstra To: Frederic Weisbecker Cc: LKML , "Paul E . McKenney" , Thomas Gleixner , Phil Auld , Marcelo Tosatti Subject: Re: [PATCH 0/5] context_tracking: Flatter archs not using exception_enter/exit() v3 Message-ID: <20201118140503.GU3121392@hirez.programming.kicks-ass.net> References: <20201117151637.259084-1-frederic@kernel.org> <20201118073947.GQ3121392@hirez.programming.kicks-ass.net> <20201118134826.GA279436@lothringen> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201118134826.GA279436@lothringen> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 18, 2020 at 02:48:26PM +0100, Frederic Weisbecker wrote: > On Wed, Nov 18, 2020 at 08:39:47AM +0100, Peter Zijlstra wrote: > > On Tue, Nov 17, 2020 at 04:16:32PM +0100, Frederic Weisbecker wrote: > > > Frederic Weisbecker (5): > > > context_tracking: Introduce HAVE_CONTEXT_TRACKING_OFFSTACK > > > context_tracking: Don't implement exception_enter/exit() on CONFIG_HAVE_CONTEXT_TRACKING_OFFSTACK > > > sched: Detect call to schedule from critical entry code > > > context_tracking: Only define schedule_user() on !HAVE_CONTEXT_TRACKING_OFFSTACK archs > > > x86: Support HAVE_CONTEXT_TRACKING_OFFSTACK > > > > Thanks! > > > > Acked-by: Peter Zijlstra (Intel) > > Thanks! Probably this should go through your branches? Fair enough; these are now headed for tip/core/entry.