Re: [PATCH] [POWERPC] Improve (in|out)_beXX() asm code

From: Alan Cox
Date: Tue May 20 2008 - 18:27:47 EST

> 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.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at