Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755843Ab3HFP3V (ORCPT ); Tue, 6 Aug 2013 11:29:21 -0400 Received: from g1t0028.austin.hp.com ([15.216.28.35]:26652 "EHLO g1t0028.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752867Ab3HFP3T (ORCPT ); Tue, 6 Aug 2013 11:29:19 -0400 Message-ID: <1375802890.10300.179.camel@misato.fc.hp.com> Subject: Re: Cannot hot remove a memory device (patch, updated) From: Toshi Kani To: "Rafael J. Wysocki" Cc: Yasuaki Ishimatsu , rafael.j.wysocki@intel.com, vasilis.liaskovitis@profitbricks.com, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, tangchen@cn.fujitsu.com, wency@cn.fujitsu.com Date: Tue, 06 Aug 2013 09:28:10 -0600 In-Reply-To: <4117925.f4JeZH8kGN@vostro.rjw.lan> References: <51FA1E41.20304@jp.fujitsu.com> <1456797.BR6oLAipWK@vostro.rjw.lan> <1375744796.10300.175.camel@misato.fc.hp.com> <4117925.f4JeZH8kGN@vostro.rjw.lan> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.4 (3.6.4-3.fc18) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2054 Lines: 50 On Tue, 2013-08-06 at 02:15 +0200, Rafael J. Wysocki wrote: > On Monday, August 05, 2013 05:19:56 PM Toshi Kani wrote: > > On Mon, 2013-08-05 at 15:14 +0200, Rafael J. Wysocki wrote: > > : > > > Can you please test the appended patch? I tested it somewhat, but since the > > > greatest number of physical nodes per ACPI device object I can get on my test > > > machines is 2 (and even that after hacking the kernel somewhat), that was kind > > > of unconclusive. > > > > > > Thanks, > > > Rafael > > > > > > > > > --- > > > From: Rafael J. Wysocki > > > Subject: ACPI: Drop physical_node_id_bitmap from struct acpi_device > > > > > > The physical_node_id_bitmap in struct acpi_device is only used for > > > looking up the first currently unused phyiscal dependent node ID > > > by acpi_bind_one(). It is not really necessary, however, because > > > acpi_bind_one() walks the entire physical_node_list of the given > > > device object for sanity checking anyway and if that list is always > > > sorted by node_id, it is straightforward to find the first gap > > > between the currently used node IDs and use that number as the ID > > > of the new list node. > > > > > > This also removes the artificial limit of the maximum number of > > > dependent physical devices per ACPI device object, which now depends > > > only on the capacity of unsigend int. > > > > > > Signed-off-by: Rafael J. Wysocki > > > > I like the change. Much better :-) > > > > Acked-by: Toshi Kani > > However, it introduces a bug in acpi_unbind_one(), because the size of the name > array in there has to be increased too. Updated patch follows. Right. Sorry, I overlooked this one. Please apply my ask to this new version. Thanks, -Toshi -- 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/