Re: [PATCH] arm64: kernel: smp: ignore disabled cpu node

[Sudeep Holla]

On Wed, Apr 19, 2023 at 05:40:39PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@xxxxxxx>
> 
> If the cpu node is set disabled in device tree, we should ignore the
> node. i.MX8MP has some variants, which have one or two or four A53 cores.
> The current imx8mp device tree use the full feature SoC. With such
> device tree to bring the variant with one or two A53 cores will cause
> issue.
>
> The firmware will update the status property, and kernel will check the
> property before bring up the core.
>

IIRC it has been discussed in the past[1][2], has anything changed now ?

--
Regards,
Sudeep

[1] http://lists.infradead.org/pipermail/linux-arm-kernel/2013-June/174324.html
[2] https://yhbt.net/lore/all/1524697712-20208-1-git-send-email-rokhanna@xxxxxxxxxx/