From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiang Liu Subject: Re: [PATCH 3/5] x86, acpi, cpu-hotplug: Introduce apicid_to_cpuid[] array to store persistent cpuid <-> apicid mapping. Date: Wed, 15 Jul 2015 13:35:05 +0800 Message-ID: <55A5F109.3020705@linux.intel.com> References: <1436261425-29881-1-git-send-email-tangchen@cn.fujitsu.com> <1436261425-29881-4-git-send-email-tangchen@cn.fujitsu.com> <55A5D4A5.8040806@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mga11.intel.com ([192.55.52.93]:34654 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751466AbbGOFfI (ORCPT ); Wed, 15 Jul 2015 01:35:08 -0400 In-Reply-To: <55A5D4A5.8040806@cn.fujitsu.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Tang Chen , =?UTF-8?B?TWlrYSBQZW50dGlsw6Q=?= Cc: rjw@rjwysocki.net, gongzhaogang@inspur.com, x86@kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org On 2015/7/15 11:33, Tang Chen wrote: > Hi Mika, >=20 > On 07/07/2015 07:14 PM, Mika Penttil=C3=A4 wrote: >> I think you forgot to reserve CPU 0 for BSP in cpuid mask. >=20 > Sorry for the late reply. >=20 > I'm not familiar with BSP. Do you mean in get_cpuid(), > I should reserve 0 for physical cpu0 in BSP ? >=20 > Would you please share more detail ? BSP stands for "Bootstrapping Processor". In other word, BSP is CPU0. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f174.google.com (mail-pd0-f174.google.com [209.85.192.174]) by kanga.kvack.org (Postfix) with ESMTP id 5B414280267 for ; Wed, 15 Jul 2015 01:35:09 -0400 (EDT) Received: by pdbep18 with SMTP id ep18so19091055pdb.1 for ; Tue, 14 Jul 2015 22:35:09 -0700 (PDT) Received: from mga09.intel.com (mga09.intel.com. [134.134.136.24]) by mx.google.com with ESMTP id tl1si5600308pac.65.2015.07.14.22.35.08 for ; Tue, 14 Jul 2015 22:35:08 -0700 (PDT) Message-ID: <55A5F109.3020705@linux.intel.com> Date: Wed, 15 Jul 2015 13:35:05 +0800 From: Jiang Liu MIME-Version: 1.0 Subject: Re: [PATCH 3/5] x86, acpi, cpu-hotplug: Introduce apicid_to_cpuid[] array to store persistent cpuid <-> apicid mapping. References: <1436261425-29881-1-git-send-email-tangchen@cn.fujitsu.com> <1436261425-29881-4-git-send-email-tangchen@cn.fujitsu.com> <55A5D4A5.8040806@cn.fujitsu.com> In-Reply-To: <55A5D4A5.8040806@cn.fujitsu.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org List-ID: To: Tang Chen , =?UTF-8?B?TWlrYSBQZW50dGlsw6Q=?= Cc: rjw@rjwysocki.net, gongzhaogang@inspur.com, x86@kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org On 2015/7/15 11:33, Tang Chen wrote: > Hi Mika, > > On 07/07/2015 07:14 PM, Mika PenttilA? wrote: >> I think you forgot to reserve CPU 0 for BSP in cpuid mask. > > Sorry for the late reply. > > I'm not familiar with BSP. Do you mean in get_cpuid(), > I should reserve 0 for physical cpu0 in BSP ? > > Would you please share more detail ? BSP stands for "Bootstrapping Processor". In other word, BSP is CPU0. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751973AbbGOFfK (ORCPT ); Wed, 15 Jul 2015 01:35:10 -0400 Received: from mga11.intel.com ([192.55.52.93]:34654 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751466AbbGOFfI (ORCPT ); Wed, 15 Jul 2015 01:35:08 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,477,1432623600"; d="scan'208";a="764695104" Message-ID: <55A5F109.3020705@linux.intel.com> Date: Wed, 15 Jul 2015 13:35:05 +0800 From: Jiang Liu Organization: Intel User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Tang Chen , =?UTF-8?B?TWlrYSBQZW50dGlsw6Q=?= CC: rjw@rjwysocki.net, gongzhaogang@inspur.com, x86@kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 3/5] x86, acpi, cpu-hotplug: Introduce apicid_to_cpuid[] array to store persistent cpuid <-> apicid mapping. References: <1436261425-29881-1-git-send-email-tangchen@cn.fujitsu.com> <1436261425-29881-4-git-send-email-tangchen@cn.fujitsu.com> <55A5D4A5.8040806@cn.fujitsu.com> In-Reply-To: <55A5D4A5.8040806@cn.fujitsu.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2015/7/15 11:33, Tang Chen wrote: > Hi Mika, > > On 07/07/2015 07:14 PM, Mika Penttilä wrote: >> I think you forgot to reserve CPU 0 for BSP in cpuid mask. > > Sorry for the late reply. > > I'm not familiar with BSP. Do you mean in get_cpuid(), > I should reserve 0 for physical cpu0 in BSP ? > > Would you please share more detail ? BSP stands for "Bootstrapping Processor". In other word, BSP is CPU0.