On Thu, 2010-02-11 at 11:01 +0000, Russell King - ARM Linux wrote: > On Thu, Feb 11, 2010 at 10:53:05AM +0000, Catalin Marinas wrote: > > Actually after L2 maintenance we don't even need the __dma_barrier(), we > > need an outer_cache.sync() function. > > > > I can do the outer cache optimisations together with a few others for > > PL310 (which does not require the cache_wait() call for line > > operations). > > I'm in half a mind to say "stop everything for the DMA API and wait > until the next merge window" - what we have at the moment is a big > shake up of how the API is implemented, which has had very little > attributable testing. > > Let's get the current code (which missed the last merge window) tested, > acked and merged, and only then sort out these kinds of optimizations > after that. As it is, these DMA patches have had very little in the > way of attributable feedback so far. I agree, I wasn't planning to submit anything for 2.6.34. These optimisations should probably get in 2.6.35. -- Catalin -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
