Hi, I wrote: No, I don't. But that was why the original code preferred the wired entry approach over ioremap() -- not to map a whole range... Not the only one: dynamic ioremap() seems to be impossible in interruptcontext. Well, ioremap() may sleep indeed. So, the only viable option of using sofirq() is mapping all the sparce 2KiB regions at the __init time -- that will waste every half of page though... That for the root PCI bus and 16 megs at 0x680000000 for the subordinates. WBR, Sergei |
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