On Wed, May 02, 2007 at 01:02:41PM -0700, Michael Chan wrote: > Let's say I have a 32-bit card that cannot do dual address cycle on a > 64-bit dma_addr_t system without IOMMU. If CONFIG_HIGHMEM is not set, > wouldn't the device get > 32-bit DMA addresses that it cannot handle?
It needs to set it's dma mask to 32bits and the upper layers (net, block) will do the bouncing for it. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
