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=-12.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 30E50C5519F for ; Tue, 17 Nov 2020 15:16:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B84EF2463D for ; Tue, 17 Nov 2020 15:16:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZRMyToxI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730323AbgKQPQs (ORCPT ); Tue, 17 Nov 2020 10:16:48 -0500 Received: from mail.kernel.org ([198.145.29.99]:34190 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730178AbgKQPQs (ORCPT ); Tue, 17 Nov 2020 10:16:48 -0500 Received: from localhost.localdomain (unknown [176.167.180.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2809124198; Tue, 17 Nov 2020 15:16:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605626207; bh=T+zglwTSaKT1Oy/VUNqM5qfAwKuwu4cmh4SCTRct9Zw=; h=From:To:Cc:Subject:Date:From; b=ZRMyToxIR7yEwGtbSm/ls4iV+HPir19TbNB6Ea56nuiA5av7awCjF8Xuj2/BjkP59 xddLjjlw7I3Fche0WzCKj5gQVWv8NRHdSlR1Gk9y9s/TBRmFuDXHWUUdMRimSBXAJy 9wNjmLnNOH3fNSSgdFMyQSfHxpkC2WbrYnuK45E4= From: Frederic Weisbecker To: Peter Zijlstra Cc: LKML , Frederic Weisbecker , "Paul E . McKenney" , Thomas Gleixner , Phil Auld , Marcelo Tosatti Subject: [PATCH 0/5] context_tracking: Flatter archs not using exception_enter/exit() v3 Date: Tue, 17 Nov 2020 16:16:32 +0100 Message-Id: <20201117151637.259084-1-frederic@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In this new version, I fixed the changelogs according to peterz's review. Especially on the 2nd patch where I added lots of details to better understand what exception_enter/exit() do and what is required to get rid of it. Also rebased against -rc4. git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git core/isolation-v3 HEAD: b358a96584150feacc20d7d10410fd1b7c7c19fe Thanks, Frederic --- 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 arch/Kconfig | 17 +++++++++++++++++ arch/x86/Kconfig | 1 + include/linux/context_tracking.h | 6 ++++-- kernel/sched/core.c | 3 ++- 4 files changed, 24 insertions(+), 3 deletions(-)