[PATCH v3] arm64: smp: Do not mark secondary CPUs possible under nosmp

[Will Deacon]

On Wed, 06 May 2026 17:08:51 +0800, Pengjie Zhang wrote:
> Under nosmp (maxcpus=0), arm64 never brings up secondary CPUs.
> 
> smp_prepare_cpus() already treats this as a UP-mandated boot and returns
> before marking secondary CPUs present. However, smp_init_cpus() may still
> enumerate firmware-described secondary CPUs and mark them possible before
> that point.
> 
> [...]

Applied to arm64 (for-next/misc), thanks!

[1/1] arm64: smp: Do not mark secondary CPUs possible under nosmp
      https://git.kernel.org/arm64/c/e7cec385d2c6

Cheers,
-- 
Will

https://fixes.arm64.dev
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