On Monday 21 December 2009 22:31:10 Larry Finger wrote: > Hi, > > I placed a number of test prints in my system trying to find where a > DMA data error might occur. In doing so, I found that 3 slots in the > DMA header cache cross a page boundary. Such a situation is allowed on > my system, but it might be forbidden on Atom processors. Please try > this really ugly hack to see if it makes any difference.
First thing is that the DMA buffers are allowed to cross any boundary (and the header is just a buffer). The boundary requirements only apply to the memory holding the descriptors. Second thing is: How does the patch prevent a boundary crossing? -- Greetings, Michael. _______________________________________________ Bcm43xx-dev mailing list [email protected] https://lists.berlios.de/mailman/listinfo/bcm43xx-dev
