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

[Christoph Hellwig]

On Fri, Jul 01, 2022 at 01:02:21AM +0800, Tianyu Lan wrote:
> > Can we reorder that initialization?  Because I really hate having
> > to have an arch hook in every architecture.
> 
> How about using "flags" parameter of swiotlb_init() to pass area number
> or add new parameter for area number?
> 
> I just reposted patch 1 since there is just some coding style issue and area
> number may also set via swiotlb kernel parameter. We still need figure out a
> good solution to pass area number from architecture code.

What is the problem with calling swiotlb_init after nr_possible_cpus()
works?