On Sat, Apr 25, 2009 at 05:21:42PM +0800, Herbert Xu (herbert@xxxxxxxxxxxxxxxxxxx) wrote: > > Why can't it be used by default for all crypto operations instead of > > synchronous one? > > PCI-based drivers will not benefit from spreading the requests > across CPUs. If anything they will suffer from the synchronisation. What's the deal PCI drivers have with CPUs data comes from/to? They do not touch cache, just run DMA transfer and complete the request. -- Evgeniy Polyakov -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
