Alan Stern wrote:
On Fri, 4 Jun 2004, Pete Zaitcev wrote:
It seems obvious to me that a kmap is missing somewhere, but where?
Only in the PIO path, yes? Unless sg_map() doesn't map ...
-- Pete
It's funny you should bring this up. I've mentioned it to David Brownell
on at least two occasions (s
On Fri, 4 Jun 2004, Pete Zaitcev wrote:
> Hi, All:
>
> Suppose that I wish to transfer something from a page which might be
> mapped or not (highmem) in a client driver such as usb-storage.
>
> The setup works like this
>
> usb_stor_Bulk_transport
> usb_stor_bulk_transfer_sg
> usb_stor_bu
Hi, All:
Suppose that I wish to transfer something from a page which might be
mapped or not (highmem) in a client driver such as usb-storage.
The setup works like this
usb_stor_Bulk_transport
usb_stor_bulk_transfer_sg
usb_stor_bulk_transfer_sglist
usb_sg_init
Here things get interes