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From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Alison Wang <b18965@freescale.com>,
	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	[thread overview]
Message-ID: <1728374.uyXUDC3UK8@wuerfel> (raw)
In-Reply-To: <1474597146-33312-2-git-send-email-b18965@freescale.com>

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 <alison.wang@nxp.com>
> Signed-off-by: Chenhui Zhao <chenhui.zhao@nxp.com>
> ---
>  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

  reply	other threads:[~2016-09-23 11:59 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-23  2:19 [PATCH 1/2] armv8: aarch32: Execute 32-bit Linux for LayerScape platforms Alison Wang
2016-09-23  2:19 ` [PATCH 2/2] armv8: aarch32: Add SMP support for 32-bit Linux kernel Alison Wang
2016-09-23 11:58   ` Arnd Bergmann [this message]
2016-09-23 12:29   ` Mark Rutland
2016-09-23 12:11 ` [PATCH 1/2] armv8: aarch32: Execute 32-bit Linux for LayerScape platforms Arnd Bergmann
2016-09-23 12:17 ` Robin Murphy
2016-09-23 13:13   ` Stuart Yoder
2016-09-23 13:18     ` Robin Murphy
2016-09-23 13:27       ` Rob Herring
2016-09-23 13:42       ` Sudeep Holla
2016-09-23 14:01       ` Stuart Yoder
2016-09-23 14:24         ` Robin Murphy
2016-09-23 14:44           ` Arnd Bergmann
2016-09-23 15:13             ` Robin Murphy
2016-09-23 15:58               ` Arnd Bergmann
2016-09-23 16:09                 ` Stuart Yoder
2016-09-23 18:22                   ` Arnd Bergmann
2016-09-26  9:58                     ` Jason Jin

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