Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753769AbdLMRpx (ORCPT ); Wed, 13 Dec 2017 12:45:53 -0500 Received: from mail-it0-f53.google.com ([209.85.214.53]:39610 "EHLO mail-it0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752816AbdLMRpv (ORCPT ); Wed, 13 Dec 2017 12:45:51 -0500 X-Google-Smtp-Source: ACJfBov8SezZ2m8ylqgI3ETCUXPRJV5Nmd2LjLMWJmKFuoptJcfSJ+Oe+xzp+/IP4sOcTkhnF5eMImbb3f+5OZIPCkQ= MIME-Version: 1.0 In-Reply-To: References: <168050887.sZlTFXWCmO@aspire.rjw.lan> <20171206121452.GA6320@dhcp22.suse.cz> <0f1d3d63-fa10-5cef-8014-81753dc60243@mblankhorst.nl> <57c8679e-1b88-c9ad-2299-2bea7560b28f@mblankhorst.nl> <20171213162336.GG53955@bhelgaas-glaptop.roam.corp.google.com> From: Linus Torvalds Date: Wed, 13 Dec 2017 09:45:50 -0800 X-Google-Sender-Auth: UYRxXluIUlG2FfxH9I_8colVtwE Message-ID: Subject: Re: Linux 4.15-rc2: Regression in resume from ACPI S3 To: Thomas Gleixner Cc: Bjorn Helgaas , Maarten Lankhorst , Michal Hocko , "Rafael J. Wysocki" , Andy Lutomirski , Linux Kernel Mailing List , "the arch/x86 maintainers" , Daniel Vetter , Bjorn Helgaas , "Rafael J. Wysocki" , linux-pci@vger.kernel.org, linux-pm@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 350 Lines: 10 On Wed, Dec 13, 2017 at 8:41 AM, Thomas Gleixner wrote: > > Definitely. That was fragile forever but puzzles me is that I can't figure > out what now causes that spurious interrupt to surface out of the blue. Perhaps just timing? How hard would it be to change the ordering to just redirect irqs first? Linus