On Fri, May 11, 2018 at 04:31:23PM +0800, Yixian Liu wrote: > This patch adds the support of 64KB page size for hip08 > in kernel. > > Signed-off-by: Yixian Liu <liuyixian@xxxxxxxxxx> > drivers/infiniband/hw/hns/hns_roce_device.h | 3 +++ > drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 36 ++++++++++++++++------------- > drivers/infiniband/hw/hns/hns_roce_mr.c | 6 ----- > 3 files changed, 23 insertions(+), 22 deletions(-) > > diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h > index fb305b7..53c2f1b 100644 > +++ b/drivers/infiniband/hw/hns/hns_roce_device.h > @@ -100,6 +100,9 @@ > #define SERV_TYPE_UC 2 > #define SERV_TYPE_UD 3 > > +/* Configure to HW for PAGE_SIZE larger than 4KB */ > +#define PG_SHIFT_OFFSET (PAGE_SHIFT - 12) What happens if the kernel is built with PAGE_SHIFT < 12? I'm guessing this needs a BUILD_BUG_ON as this HW cannot support that?? Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
