From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752679AbcBWXk1 (ORCPT ); Tue, 23 Feb 2016 18:40:27 -0500 Received: from v094114.home.net.pl ([79.96.170.134]:53778 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751644AbcBWXkS (ORCPT ); Tue, 23 Feb 2016 18:40:18 -0500 From: "Rafael J. Wysocki" To: Sudeep Holla Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, x86@kernel.org, Al Stone , Lorenzo Pieralisi , Mahesh Sivasubramanian , Ashwin Chaugule , Prashanth Prakash Subject: Re: [UPDATE] [PATCH v3 1/5] ACPI / processor : add support for ACPI0010 processor container Date: Wed, 24 Feb 2016 00:41:50 +0100 Message-ID: <2770602.Nt428br2IX@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/4.5.0-rc1+; KDE/4.11.5; x86_64; ; ) In-Reply-To: <1455710059-14380-1-git-send-email-sudeep.holla@arm.com> References: <1449065446-26115-2-git-send-email-sudeep.holla@arm.com> <1455710059-14380-1-git-send-email-sudeep.holla@arm.com> 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, February 17, 2016 11:54:19 AM Sudeep Holla wrote: > ACPI 6.0 adds support for optional processor container device which may > contain child objects that are either processor devices or other processor > containers. This allows representing hierarchical processor topologies. > > It is declared using the _HID of ACPI0010. It is an abstract container > used to represent CPU topology and should not be used to hotplug > purposes. > > If no matching handler is found for a device in acpi_scan_attach_handler, > acpi_bus_attach does a default enumeration for those devices with valid > HID in the acpi namespace. This patch adds a scan handler for these ACPI > processor containers to avoid default that enumeration and ensures the > platform devices are not created for them. > > Cc: "Rafael J. Wysocki" > Signed-off-by: Sudeep Holla Queued up for 4.6, thanks! Rafael