From: Dean Luick <dean.luick@xxxxxxxxx> The bit width for num_vls, n, needs to be calculated based on the pow2 rounded up of the number of vls. Otherwise num_vls of 3, 5, 6, and 7 will have misplaced QOS RSM map entries. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx> Signed-off-by: Dean Luick <dean.luick@xxxxxxxxx> --- drivers/infiniband/hw/hfi1/chip.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index c29860c..78a5c32 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -13511,7 +13511,7 @@ static void init_qos(struct hfi1_devdata *dd, u32 first_ctxt) goto bail; qpns_per_vl = __roundup_pow_of_two(max_by_vl); /* determine bits vl */ - n = ilog2(num_vls); + n = ilog2(__roundup_pow_of_two(num_vls)); /* determine bits for qpn */ m = ilog2(qpns_per_vl); if ((m + n) > 7) -- 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
