Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030437Ab3FUEab (ORCPT ); Fri, 21 Jun 2013 00:30:31 -0400 Received: from mail-ie0-f174.google.com ([209.85.223.174]:46739 "EHLO mail-ie0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030247Ab3FUEa3 convert rfc822-to-8bit (ORCPT ); Fri, 21 Jun 2013 00:30:29 -0400 Date: Thu, 20 Jun 2013 23:30:19 -0500 From: Rob Landley Subject: Re: [PATCH] Documentation / cpu hotplug: remove outdated description for MADT entries To: Hanjun Guo Cc: Rusty Russell , Srivatsa Vaddagiri , linux-acpi@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, patches@linaro.org, linaro-kernel@lists.linaro.org, Hanjun Guo , trivial@kernel.org References: <1371718482-452-1-git-send-email-hanjun.guo@linaro.org> In-Reply-To: <1371718482-452-1-git-send-email-hanjun.guo@linaro.org> (from hanjun.guo@linaro.org on Thu Jun 20 03:54:42 2013) X-Mailer: Balsa 2.4.11 Message-Id: <1371789019.2776.139@driftwood> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; DelSp=Yes; Format=Flowed Content-Disposition: inline Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1332 Lines: 42 On 06/20/2013 03:54:42 AM, Hanjun Guo wrote: > More than 256 entries in ACPI MADT is supported from ACPI 3.0 > Specification, > So the outdated description for MADT entries should be removed. > > Signed-off-by: Hanjun Guo > --- > Documentation/cpu-hotplug.txt | 3 --- > 1 file changed, 3 deletions(-) Acked-by: Rob Landley > diff --git a/Documentation/cpu-hotplug.txt > b/Documentation/cpu-hotplug.txt > index 9f40135..2e36e40 100644 > --- a/Documentation/cpu-hotplug.txt > +++ b/Documentation/cpu-hotplug.txt > @@ -370,9 +370,6 @@ A: There is no clear spec defined way from ACPI > that can give us that > CPUs in MADT as hotpluggable CPUS. In the case there are no > disabled CPUS > we assume 1/2 the number of CPUs currently present can be > hotplugged. > > - Caveat: Today's ACPI MADT can only provide 256 entries since the > apicid field > - in MADT is only 8 bits. > - > User Space Notification > > Hotplug support for devices is common in Linux today. Its being used > today to > -- > 1.7.9.5 > > -- 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/