> It looks like we rely on -fno-strict-aliasing to prevent reordering > ordinary memory accesses (such as to DMA descriptors) past the I/O
DMA descriptors in main memory are dependant on cache behaviour anyway and the dma_* operators should be the ones enforcing the needed behaviour. Alan _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev