> Replying to myself.... Anyway, I realized that even my idea above is
> wrong. I don't see _any_ safe way to share a cache line between a DMA
> buffer and other data. Access to the cache line might pull the cache
> line back in and write it back at any time, which could corrupt the
> DMA'ed data. I don't see a way to hide the existence of cache lines
> etc. from the driver.
Unfortunately, you are right. I've started going through the drivers in the
2.4 tree. acm, audio & auerswald are safe. brlvger and bluetooth are not.
Regards
Oliver
_______________________________________________________________
Don't miss the 2002 Sprint PCS Application Developer's Conference
August 25-28 in Las Vegas -
http://devcon.sprintpcs.com/adp/index.cfm?source=osdntextlink
_______________________________________________
[EMAIL PROTECTED]
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
