Hi,

Armin Kuster wrote:

mapping = pci_map_page(pdev,
                               virt_to_page(cmd->request_buffer),

This is the problem, virt_to_page doesn't work kmap'ed highmem pages.

quoted

- I think it was never defined, what should be done if offset/size isn't
cache line aligned. That's especially a problem in the invalidate only
case. I'd prefer to make this illegal, as it's mostly not a problem for
drivers.

wouldn't it also be a problem for consistent_sync?  we don't check for
offset/size are cache line aligned.

Yes, same problem.

bye, Roman

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