On Thu, May 30, 2019 at 11:55:53PM +0800, Lijun Ou wrote: > When the user submits more than 32 work request to a srq queue > at a time, it needs to find the corresponding number of entries > in the bitmap in the idx queue. However, the original lookup > function named ffs only processes 32 bits of the array element, > When the number of srq wqe issued exceeds 32, the ffs will only > process the lower 32 bits of the elements, it will not be able > to get the correct wqe index for srq wqe. > > Signed-off-by: Xi Wang <wangxi11@xxxxxxxxxx> > Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx> > --- > V1->V2: > 1. Use bitmap function instead of __ffs64() > --- > drivers/infiniband/hw/hns/hns_roce_device.h | 2 +- > drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 29 +++++++++++++---------------- > drivers/infiniband/hw/hns/hns_roce_srq.c | 15 +++------------ > 3 files changed, 17 insertions(+), 29 deletions(-) Applied to for-next, thanks Jason