From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753094AbdHDQlI (ORCPT ); Fri, 4 Aug 2017 12:41:08 -0400 Received: from mail-by2nam01on0042.outbound.protection.outlook.com ([104.47.34.42]:6693 "EHLO NAM01-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752833AbdHDQlG (ORCPT ); Fri, 4 Aug 2017 12:41:06 -0400 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=David.Daney@cavium.com; Subject: Re: [PATCH] mips: octeon: unselect NR_CPUS_DEFAULT_16 To: James Hogan , Yang Shi Cc: "david.daney@cavium.com" , "ralf@linux-mips.org" , "linux-kernel@vger.kernel.org" , "linux-mips@linux-mips.org" References: <1455926968-12779-1-git-send-email-yang.shi@windriver.com> <20170804132718.GY31455@jhogan-linux.le.imgtec.org> From: David Daney Message-ID: Date: Fri, 4 Aug 2017 09:41:00 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20170804132718.GY31455@jhogan-linux.le.imgtec.org> Content-Type: text/plain; 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And, some model of OCTEON II do have >>> 16 cores. Given the typical memory size equipped by Octeon boards, it sounds >> like not a big deal to set a bigger NR_CPUS value as default. >> >> Signed-off-by: Yang Shi >> --- >> arch/mips/Kconfig | 1 - >> 1 file changed, 1 deletion(-) >> >> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig >> index ab433d3..a885156 100644 >> --- a/arch/mips/Kconfig >> +++ b/arch/mips/Kconfig >> @@ -885,7 +885,6 @@ config CAVIUM_OCTEON_SOC >> select USE_OF >> select ARCH_SPARSEMEM_ENABLE >> select SYS_SUPPORTS_SMP >> - select NR_CPUS_DEFAULT_16 > > So should this select NR_CPUS_DEFAULT_32 instead? There are OCTEON systems today with 96 CPUs, so something 96 or greater would let us avoid changing this more than once. David Daney > > Cheers > James > >> select BUILTIN_DTB >> select MTD_COMPLEX_MAPPINGS >> help >> -- >> 2.0.2 >> >>