From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966000AbcIWL7d (ORCPT ); Fri, 23 Sep 2016 07:59:33 -0400 Received: from mout.kundenserver.de ([212.227.126.131]:49306 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964954AbcIWL7b (ORCPT ); Fri, 23 Sep 2016 07:59:31 -0400 From: Arnd Bergmann To: linux-arm-kernel@lists.infradead.org Cc: Alison Wang , shawnguo@kernel.org, kernel@pengutronix.de, fabio.estevam@nxp.com, linux@armlinux.org.uk, linux-kernel@vger.kernel.org, scott.wood@nxp.com, stuart.yoder@nxp.com, leoyang.li@nxp.com, jason.jin@nxp.com Subject: Re: [PATCH 2/2] armv8: aarch32: Add SMP support for 32-bit Linux kernel Date: Fri, 23 Sep 2016 13:58:43 +0200 Message-ID: <1728374.uyXUDC3UK8@wuerfel> User-Agent: KMail/5.1.3 (Linux/4.4.0-34-generic; KDE/5.18.0; x86_64; ; ) In-Reply-To: <1474597146-33312-2-git-send-email-b18965@freescale.com> References: <1474597146-33312-1-git-send-email-b18965@freescale.com> <1474597146-33312-2-git-send-email-b18965@freescale.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:3BCmewO+iVog/r2RYYODN+ohzYmm59lclbv57P6BacX018csWxG 49ZplkRb+4bthGl9PiN35PEIlJerAayQlu2Pi67e2JHJWWhDx+9R9pf9gQUAwk6X4GUYpk0 o1MIF0LoA1689zLgSzAX0qgNE8nkwxxKmW8yj0HpaiHWToTCcxsej/1it7YInxPzCv68ubo KdTiw07cIvKus9vJlfeKg== X-UI-Out-Filterresults: notjunk:1;V01:K0:oe7lGAx7nBA=:Gbo/eLBQiMj4H9g4grn6/H 1+3DJgS4zIkC60yuC/VoIfxOq7A44cHUq+7FSccJN+3SXvHWfsaoIASMTez9HyFpng+StyuWq KIivOwYK9PtQux8HnO4KgbW5KPc2f+KyBHsBp++YbwZNpddWdfaZ/zraRL7bcFCr8LuZ4Tfwg PMqw76UlgbeM/TdBbcjX7ivIpH9LtvRldis/Hi3GBf0dkU2BQ0FlDaViN7miwZphIMUy8siUM /WI53hcbpHyDv3i2xKeygY/bmLytAbvHiHzJM8iqT1Dbic6GuaEO3wWSSusl8TctxtE2ZVY3J s4xL64qh5AtrXQF7F3UotuHhDG+31Tb4nQ1PNmLvXpumAvfz5ye3xqu1ZFL59WwTmCETozegA XJplM8CcibIzeuG19RSBcoMI17NH7DHx7YspYpKqTTraTpW29XJ8WEJkqA58EM8xL2Eaw18ou 9h1iV+TDkFJrAxgd50XPzfkyfxoIxkzXyA85her4PzuyCwmBFF8Eg4Xngi31buK43iGPrmkgn cKeTaG238UCE2ZqJSK8bRWr7g2f09wltsGvVyZY/vSBS5FJ9EKZkdY+gLoL46gTjkjtqQC4nR KRosELLInvltQLnG47b77vFKaGrMc1VBMn0yY+gUxpOqcqCZKjkI5FOMvcS1TqCb4PC7CAmxl S1igPirQNTJGlBoPviVTcYFf+orXC8+j63GKK2yGBhQwu7YKWV+BLHzDlb3TfQfO8cpU8gntv edrkbSs3uzxgNO4O Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday, September 23, 2016 10:19:06 AM CEST Alison Wang wrote: > The patch adds SMP support for running 32-bit Linux kernel for > Layerscape platforms. Spin-table method is used for SMP support. > > Signed-off-by: Alison Wang > Signed-off-by: Chenhui Zhao > --- > arch/arm/mach-imx/common.h | 1 + > arch/arm/mach-imx/mach-layerscape.c | 1 + > arch/arm/mach-imx/platsmp.c | 49 +++++++++++++++++++++++++++++++++++++ > 3 files changed, 51 insertions(+) > This really shouldn't be needed: if it works on a 64-bit kernel without platform specific SMP operations, why do you need it on 32-bit kernels? Arnd