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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 088F7C433E2 for ; Tue, 15 Sep 2020 10:46:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C206121D24 for ; Tue, 15 Sep 2020 10:46:49 +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="uZp0qBVO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726358AbgIOKq3 (ORCPT ); Tue, 15 Sep 2020 06:46:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55650 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726191AbgIOKn5 (ORCPT ); Tue, 15 Sep 2020 06:43:57 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5811C06174A; Tue, 15 Sep 2020 03:43:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Subject:Cc:To:From:Date:Message-ID: Sender:Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:In-Reply-To:References; bh=VUh0x74rFETn1g3Yut3ZTkkDJyuzqbAXdAXZp2icBLA=; b=uZp0qBVO7EA2b4U9UE3pkYlpRm Skm19GN/kZHisiT/YZXL/HiTJqeVFHQF7AC2EWBmJEkEACC0H84gdHLjrMnctcUj1NE63NVhMC8Cd uKkUryTxfC+SOPbeaJAgSBzwI3RevZ99IGUwxjsPlJFor55u0JTtes9eV1haMCqwBk6zzCcofTtIi JbiBRYIp9BYY/PTL7j1vfZSTU7K5rr2lElOroXFKeRPh6oCB8VArdTIN/hRCpmPceIIWOrEq2vWla XIB6nZH9BnCwJpyZ8pqOuAPIgj+8g+18Gs2EZRwjTs0+Oy3a3BWyOLhYKnQ618zHNjaaiSk1ZvX13 vwpwi04A==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kI8R5-0006v6-7X; Tue, 15 Sep 2020 10:43:43 +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 B003B305C16; Tue, 15 Sep 2020 12:43:40 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 0) id 8A932214EDD4A; Tue, 15 Sep 2020 12:43:40 +0200 (CEST) Message-ID: <20200915103157.345404192@infradead.org> User-Agent: quilt/0.66 Date: Tue, 15 Sep 2020 12:31:57 +0200 From: Peter Zijlstra To: rjw@rjwysocki.net, bp@alien8.de Cc: x86@kernel.org, tony.luck@intel.com, lenb@kernel.org, daniel.lezcano@linaro.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, ulf.hansson@linaro.org, paulmck@kernel.org, tglx@linutronix.de, naresh.kamboju@linaro.org, peterz@infradead.org Subject: [RFC][PATCH 0/4] Fix up ACPI processor idle vs RCU Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Hi, A number of people have been tripping over the improved RCU-lockdep complaints in idle. These 4 patches attempt to cure ACPI processor idle. I've done my best to not wreck things, but it's all magical code with very few comments, so who knows.. Boris tested an earlier version of these patches and they worked for his 32bit Atom board that was triggering complaints.