On Thu, Mar 07, 2024 at 07:49:16PM -0800, Alexei Starovoitov wrote: > Ok. I think I figured it out. > Please try the attached patch. I don't think this is the right thing. The probem is that the PCI code shouldn't really be using ioremap_page_range if it is not an ioremap area, but instead directly call into vmap_range_noflush (or an added back vmap_range to avoid all the duplication) similar to the vunmap case in vunmap_range.
