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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,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 EDB38C433DB for ; Mon, 11 Jan 2021 17:12:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B5FD322ADF for ; Mon, 11 Jan 2021 17:12:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389184AbhAKRMT (ORCPT ); Mon, 11 Jan 2021 12:12:19 -0500 Received: from foss.arm.com ([217.140.110.172]:33198 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730342AbhAKRMS (ORCPT ); Mon, 11 Jan 2021 12:12:18 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0ADC1101E; Mon, 11 Jan 2021 09:11:33 -0800 (PST) Received: from e120877-lin.cambridge.arm.com (e120877-lin.cambridge.arm.com [10.1.194.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 37CB43F70D; Mon, 11 Jan 2021 09:11:32 -0800 (PST) From: vincent.donnefort@arm.com To: peterz@infradead.org, tglx@linutronix.de, linux-kernel@vger.kernel.org Cc: valentin.schneider@arm.com, Vincent Donnefort Subject: [PATCH 0/4] cpu/hotplug: rollback and "fail" interface fixes Date: Mon, 11 Jan 2021 17:10:43 +0000 Message-Id: <1610385047-92151-1-git-send-email-vincent.donnefort@arm.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vincent Donnefort This patch-set intends mainly to fix HP rollback, which is currently broken, due to an inconsistent "state" usage and an issue with CPUHP_AP_ONLINE_IDLE. It also improves the "fail" interface, which can now be reset and will reject CPUHP_BRINGUP_CPU, a step that can't always fail. Vincent Donnefort (4): cpu/hotplug: Allowing to reset fail injection cpu/hotplug: CPUHP_BRINGUP_CPU exception in fail injection cpu/hotplug: Add cpuhp_invoke_callback_range() cpu/hotplug: Fix CPU down rollback kernel/cpu.c | 173 +++++++++++++++++++++++++++++++++++++---------------------- 1 file changed, 110 insertions(+), 63 deletions(-) -- 2.7.4