Re: [PATCH 2/2] armv8: aarch32: Add SMP support for 32-bit Linux kernel

From: Arnd Bergmann
Date: Fri Sep 23 2016 - 07:59:37 EST


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@xxxxxxx>
> Signed-off-by: Chenhui Zhao <chenhui.zhao@xxxxxxx>
> ---
> 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