Re: Regression when booting 5.15 as dom0 on arm64 (WAS: Re: [linux-linus test] 161829: regressions - FAIL)]

[Christoph Hellwig]

On Tue, May 11, 2021 at 09:47:33AM -0700, Stefano Stabellini wrote:
> That's a much better plan. It is also not super urgent, so maybe for now
> we could add an explicit check for io_tlb_default_mem != NULL at the
> beginning of xen_swiotlb_init? So that at least we can fail explicitly
> or ignore it explicitly rather than by accident.

Fine with me.  Do you want to take over from here and test and submit
your version?