Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752189AbeABIs0 (ORCPT + 1 other); Tue, 2 Jan 2018 03:48:26 -0500 Received: from 9pmail.ess.barracuda.com ([64.235.150.224]:39040 "EHLO 9pmail.ess.barracuda.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751396AbeABIsZ (ORCPT ); Tue, 2 Jan 2018 03:48:25 -0500 Date: Tue, 2 Jan 2018 08:48:00 +0000 From: James Hogan To: Jiaxun Yang CC: Ralf Baechle , Huacai CHen , , Subject: Re: [PATCH] MIPS: Loongson64: Drop 32-bit support for Loongson 2E/2F devices Message-ID: <20180102084759.GL5027@jhogan-linux.mipstec.com> References: <20171226042138.13227-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="qpqR4wE1CEr+Roqx" Content-Disposition: inline In-Reply-To: <20171226042138.13227-1-jiaxun.yang@flygoat.com> User-Agent: Mutt/1.7.2 (2016-11-26) X-Originating-IP: [192.168.154.110] X-BESS-ID: 1514882882-637140-17979-382223-1 X-BESS-VER: 2017.16-r1712230000 X-BESS-Apparent-Source-IP: 12.201.5.28 X-BESS-Outbound-Spam-Score: 0.00 X-BESS-Outbound-Spam-Report: Code version 3.2, rules version 3.2.2.188374 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------- 0.00 BSF_BESS_OUTBOUND META: BESS Outbound X-BESS-Outbound-Spam-Status: SCORE=0.00 using account:ESS59374 scores of KILL_LEVEL=7.0 tests=BSF_BESS_OUTBOUND X-BESS-BRTS-Status: 1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: --qpqR4wE1CEr+Roqx Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Dec 26, 2017 at 12:21:38PM +0800, Jiaxun Yang wrote: > Make loongson64 a pure 64-bit mach. Please expand to provide some rationale behind the change. Was 32-bit support broken at runtime, or broken at build time, or are we simply no longer interested in supporting it? Cheers James >=20 > Signed-off-by: Jiaxun Yang > --- > 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 --qpqR4wE1CEr+Roqx Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEd80NauSabkiESfLYbAtpk944dnoFAlpLRz8ACgkQbAtpk944 dnqjig/+JxblzZ2hMk1sXm5Hw01j2UIugN2CVoJYPOn5iAg0p+U5eZddjHaSksgi /dk0mXqeSYxRnaMjwy05CMjNX2mghEZLKVDdZ4YTDhmdQfDBvOuwoVsaUEtByC1c X4T1y+47Pg42Okp1OYQ92aCO1tqcJUxXF5zHMldaozJpoYG5Cx5i17QMwu2JEM8W Tb1AVKL9dnOxlL7x7woNrWYRVZaqwTcD2Doq6oxJAajQbEpr2mXfd0DQo+bBg4ya q1aOo73Tpyuzp25p3l0zv9bcvCYs/MI4YBb7ja4C/7CvabK47kJm8oCZWZbUdkDZ c+4ueVniOXG6lPiwiXdbMEM6Ne6/MbfNNYRTqGaB7EVZ55Aj9isq6Zr2Mr9YaOWb kS8ArZBEshD1MMnwBzAzFbXcvek4gGg6gV77MDrqdXnR/pt86U/oEhdv09SJFxBK h31wP7+XsRJgIM+HQFyO3rl6tfBa70aZs8yI310of4N2MTnx8ST6aqAFTgTyuG3A QWA1Oet0Jo+JnqO3IOcxfSQwJVlrnpWuGuSjqxW7lr3lVd7VBOMSNCQEWiBRw96c HfFXaxca9UwV2Tzy43D2qZc5cVn3Se8o4iTAmFDX0iE406KoSo4fsLSbLSXwJ6vG fZibMswSi/gW9Z8JCOd9jw05P3PYXLTt9A99FYMwyxhHHqSxPAM= =PIu1 -----END PGP SIGNATURE----- --qpqR4wE1CEr+Roqx--