From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 01 Feb 2018 17:02:28 +0100 (CET) Received: from mail.kernel.org ([198.145.29.99]:36516 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23994833AbeBAQCTmut2z (ORCPT ); Thu, 1 Feb 2018 17:02:19 +0100 Received: from saruman (jahogan.plus.com [212.159.75.221]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2111E20835; Thu, 1 Feb 2018 16:02:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2111E20835 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=jhogan@kernel.org Date: Thu, 1 Feb 2018 16:02:06 +0000 From: James Hogan To: Jiaxun Yang Cc: Ralf Baechle , Huacai CHen , linux-mips@linux-mips.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] MIPS: Loongson64: Drop 32-bit support for Loongson 2E/2F devices Message-ID: <20180201160205.GJ7637@saruman> References: <20180102153917.4563-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="PMULwz+zIGJzpDN9" Content-Disposition: inline In-Reply-To: <20180102153917.4563-1-jiaxun.yang@flygoat.com> User-Agent: Mutt/1.7.2 (2016-11-26) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 62397 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: jhogan@kernel.org Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips --PMULwz+zIGJzpDN9 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jan 02, 2018 at 11:39:17PM +0800, Jiaxun Yang wrote: > The 32-bit support was broken at runtime, it doesn't boot anymore, > witch is hard to debug because even early printk isn't working, also > there are some build warnings. Some newer bootloader may not support > 32-bit ELF. So we decide to drop 32-bit support. >=20 > Make loongson64 a pure 64-bit arch. >=20 > Signed-off-by: Jiaxun Yang Applied to my 4.16 branch, Thanks James > --- > arch/mips/loongson64/Kconfig | 2 -- > 1 file changed, 2 deletions(-) >=20 > diff --git a/arch/mips/loongson64/Kconfig b/arch/mips/loongson64/Kconfig > index 0d249fc3cfe9..a7d9a9241ac4 100644 > --- a/arch/mips/loongson64/Kconfig > +++ b/arch/mips/loongson64/Kconfig > @@ -17,7 +17,6 @@ config LEMOTE_FULOONG2E > select I8259 > select ISA > select IRQ_MIPS_CPU > - select SYS_SUPPORTS_32BIT_KERNEL > select SYS_SUPPORTS_64BIT_KERNEL > select SYS_SUPPORTS_LITTLE_ENDIAN > select SYS_SUPPORTS_HIGHMEM > @@ -49,7 +48,6 @@ config LEMOTE_MACH2F > select ISA > select SYS_HAS_CPU_LOONGSON2F > select SYS_HAS_EARLY_PRINTK > - select SYS_SUPPORTS_32BIT_KERNEL > select SYS_SUPPORTS_64BIT_KERNEL > select SYS_SUPPORTS_HIGHMEM > select SYS_SUPPORTS_LITTLE_ENDIAN > --=20 > 2.15.1 >=20 --PMULwz+zIGJzpDN9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEd80NauSabkiESfLYbAtpk944dnoFAlpzOf0ACgkQbAtpk944 dnrN9g//R1Ef1pZ1T+Ru8tRJJWUXaB8RtykHv39FB5c+2TjxZ6Nfceh5rD4HUO3m jtbMcgoESmkGwIQSJF5RMDJp2Bj8XVD4HVTlm282/ElQw0iaJDjGCdu7MGmk84hF PviNfGA8CtvG8X4MWVcOG2c07cKUjqiUUJGCeKUaCBfWns3Cd04w1uwF2oGfnTcp F0mnecK86j/8oKLn6JjcHksxJ5N4vhz68Ax0VilSyeZu9QmB9zL3UGq3KkNwVJyt e6KlJZlCaoXFnUqKOuAasO7g42zKxJNtK1EK+F09AbPvxPu0TIeeXYD17qZhHwrX MqT6oE8PGszjw5++fHMh+AKgBzs7qMcN+l9plzXbAfbp8wu8u+vAxtkzWZJOZkc9 Iz5BujoYUmjPO96+x3n41t5sRDgGmQ/ShmEQY3l1rVswaHr/pQL4JbkR9/JKEWay P2H8uGnB64UWB5vLDaUCPVOW3hBjQKWFT3t7STjMIJZ8Ep9BRpxqR4/+bR9kAAU5 BqggaE/PYWzMuCQ6QUhbE5QPhb3CQcaPYvU+6ZoRKIv7lK9K+Yh4+iPBbUR/bNRS amx1p3vip9w+kxM/Bt+xkmyaOb+mj2rhmUz9nimlBWpSieLyqQlhaz3l//I82WoX /0/Ro30mFKc1j2kHtG++tjbq8bF+yyJSxxOsfMvf5ZDOUo9ieN8= =uZ0o -----END PGP SIGNATURE----- --PMULwz+zIGJzpDN9--