Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754864AbaBBAqz (ORCPT ); Sat, 1 Feb 2014 19:46:55 -0500 Received: from v094114.home.net.pl ([79.96.170.134]:52602 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754644AbaBBAq2 (ORCPT ); Sat, 1 Feb 2014 19:46:28 -0500 From: "Rafael J. Wysocki" To: ACPI Devel Maling List Cc: Bjorn Helgaas , Aaron Lu , Linux Kernel Mailing List , Linux PCI , Mika Westerberg Subject: [PATCH v2 0/6] ACPI / hotplug / PCI: Consolidation of ACPIPHP with ACPI core device hotplug Date: Sun, 02 Feb 2014 01:52:26 +0100 Message-ID: <1519631.YS65c9Af2C@vostro.rjw.lan> User-Agent: KMail/4.11.4 (Linux/3.13.0+; KDE/4.11.4; x86_64; ; ) In-Reply-To: <1693151.2qrLZHyp0o@vostro.rjw.lan> References: <2217793.001RY6hKlo@vostro.rjw.lan> <1508034.JFmpIOzjVZ@vostro.rjw.lan> <1693151.2qrLZHyp0o@vostro.rjw.lan> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday, January 29, 2014 12:57:06 AM Rafael J. Wysocki wrote: > On Tuesday, January 28, 2014 11:10:30 PM Rafael J. Wysocki wrote: > > Hi All, > > > > It looks like there's time for more adventurous stuff. :-) > > > > The following series is on top of the one I sent on Sunday: > > > > https://lkml.org/lkml/2014/1/26/191 > > > > The final outcome of the patches below is that all ACPI hotplug notifications > > for PCI devices and for core system things like CPU, memory, PCI roots etc., > > will be dispatched from acpi_bus_notify() and it is not necessary to install a > > separate hotplug notify handler for each device any more. > > > > [1/5] Attach ACPIPHP hotplug contexts to struct acpi_device objects. > > [2/5] Introduce wrappers for installing and removing hotplug notify handlers > > (those wrappers go away later on, but they are useful for separating > > changes). > > [3/5] Consolidate ACPI hotplug signaling for PCI and ACPI core. > > [4/5] Simplify notify handle registration wrapper. > > [5/5] Dispatch ACPI hotplug notifications for "core" devices and PCI from acpi_bus_notify(). > > Unfortunately, I realized that patches [3-5/5] were buggy. The bugs were > kind of subtle and might not be easy to reproduce, but they were bugs anyway. :-) > > A respin of the whole series follows. After the Mika's testing it turned out that they were more buggy than I had though. Oh well. The following patchset is a reworked version of the previous one. Functionality-wise the final result should be very similar, but not exactly the same. [1/6] Fix a theoretical race condition in acpi_hotplug_notify_cb(). [2/6] Move the hotplug context lock definition to the ACPI core (from ACPIPHP). [3/6] Consolidate ACPI hotplug signaling for PCI and ACPI core (this is a combination of patches [1-3/5] from the previous series). [4/6] Rework the handling of eject requests in the ACPI core. [5/6] Simplify a routine for installing hotplug notify handlers. [6/6] Dispatch ACPI hotplug notifications for "core" devices and PCI from acpi_bus_notify(). This is on top of https://lkml.org/lkml/2014/2/1/123 which in turn is on top of the current mainline. For the adventurous all this stuff is on the test-next branch of linux-pm.git. Thanks! -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/