On Wed, Jul 13, 2022 at 01:58:38PM +0800, Tianyu Lan wrote: > Thanks for report. The issue is caused by auto merging between > commit44d89f("swiotlb: split up the global swiotlb lock") and commit > 0bf28fc40(swiotlb: panic if nslabs is too small). nslab is checked before > initialization. > > Christoph, do you prefer to update patch "swiotlb: split up the global > swiotlb lock" or append a fix patch on current brand? Please just send a patch againt the current tree. I'll see if squashing it in makes any sense.