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=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 25CFDC0018C for ; Sun, 13 Dec 2020 14:12:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E9E7D22D2B for ; Sun, 13 Dec 2020 14:12:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406054AbgLMOMV (ORCPT ); Sun, 13 Dec 2020 09:12:21 -0500 Received: from mail.kernel.org ([198.145.29.99]:37894 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2395199AbgLMOL5 (ORCPT ); Sun, 13 Dec 2020 09:11:57 -0500 Date: Sun, 13 Dec 2020 09:11:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1607868677; bh=4iY0ichsoz9AxrcT1VWUCiZr3pTTCjf5adfxu9D6nwg=; h=From:To:Cc:Subject:References:In-Reply-To:From; b=A6siXNdczE7kwUXOYvZQy1uojPOV6wvA01EpOpL9+aoMdtv0OEPkR/+frL6JKC8Xj VD2zJjLkR2AT5wGuanmZRdm7lYAoF1+Bgpu6c44a4MfXkvgh2iGtr+NtPh6J1/eT4t A0LH4sHaWkd/rWNoKJK/jhDx0aye7sLdqDKQpT0Q96NiWzUOTUm6EBRuSXrkwh/Mye nyHTfJvZ04WcakIgxEKgt9JgBnWv2bEtmqEiZvZXECuKJkp3tTxwXBZLRWzwV+lhhy tb8TTX8fMWUApN8prtxLIE+Nev3oNqvL4ggn8X3xxWdeSorzv8+Ys+hEbw1cAnTMxl XB9tlyalA1U5Q== From: Sasha Levin To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, "Rafael J . Wysocki" , linux-pm@vger.kernel.org Subject: Re: [PATCH AUTOSEL 5.9 28/39] intel_idle: Fix intel_idle() vs tracing Message-ID: <20201213141115.GR643756@sasha-vm> References: <20201203132834.930999-1-sashal@kernel.org> <20201203132834.930999-28-sashal@kernel.org> <20201203171035.GO2414@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20201203171035.GO2414@hirez.programming.kicks-ass.net> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 03, 2020 at 06:10:35PM +0100, Peter Zijlstra wrote: >On Thu, Dec 03, 2020 at 08:28:22AM -0500, Sasha Levin wrote: >> From: Peter Zijlstra >> >> [ Upstream commit 6e1d2bc675bd57640f5658a4a657ae488db4c204 ] >> >> cpuidle->enter() callbacks should not call into tracing because RCU >> has already been disabled. Instead of doing the broadcast thing >> itself, simply advertise to the cpuidle core that those states stop >> the timer. >> >> Signed-off-by: Peter Zijlstra (Intel) >> Acked-by: Rafael J. Wysocki >> Link: https://lkml.kernel.org/r/20201123143510.GR3021@hirez.programming.kicks-ass.net >> Signed-off-by: Sasha Levin > >This patch has a known compile issue, fix is pending. I've also grabbed 4d916140bf28 ("intel_idle: Build fix"). Thanks! -- Thanks, Sasha