On Sun, Sep 26, 2021 at 02:11:15PM +0800, Cai Huoqing wrote: > Replacing kmalloc/kfree/dma_map_single/dma_unmap_single() > with dma_alloc_coherent/dma_free_coherent() helps to reduce > code size, and simplify the code, and coherent DMA will not > clear the cache every time. > > Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx> > --- > drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 20 +++++--------------- > 1 file changed, 5 insertions(+), 15 deletions(-) Given I don't see any dma_sync_single calls for this mapping, isn't this a correctness fix too? Jason
