Re: [PATCH 2/2] x86/ACPI: Set swiotlb area according to the number of lapic entry in MADT

[Christoph Hellwig]

On Mon, Jun 27, 2022 at 11:31:50AM -0400, Tianyu Lan wrote:
> From: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>
> 
> When initialize swiotlb bounce buffer, smp_init() has not been
> called and cpu number can not be got from num_online_cpus().
> Use the number of lapic entry to set swiotlb area number and
> keep swiotlb area number equal to cpu number on the x86 platform.

Can we reorder that initialization?  Because I really hate having
to have an arch hook in every architecture.