subject:"\[PATCH 04\/12\] x86\: make dma_cache_sync a no\-op"

Re: [PATCH 04/12] x86: make dma_cache_sync a no-op

2017-08-31 Thread Thomas Gleixner

On Sun, 27 Aug 2017, Christoph Hellwig wrote: > x86 does not implement DMA_ATTR_NON_CONSISTENT allocations, so it doesn't > make any sense to do any work in dma_cache_sync given that it must be a > no-op when dma_alloc_attrs returns coherent memory. > > Signed-off-by: Christoph Hellwig

[PATCH 04/12] x86: make dma_cache_sync a no-op

2017-08-27 Thread Christoph Hellwig

x86 does not implement DMA_ATTR_NON_CONSISTENT allocations, so it doesn't make any sense to do any work in dma_cache_sync given that it must be a no-op when dma_alloc_attrs returns coherent memory. Signed-off-by: Christoph Hellwig