On Mon, Sep 27, 2021 at 08:59:13AM -0300, Jason Gunthorpe wrote: > 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? HNS folks? Jason
