On Thu, Mar 16, 2017 at 06:57:00PM +0200, Sagi Grimberg wrote:
> The caller might not want this overhead.
>
> Reviewed-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
> Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> Signed-off-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
> ---
> drivers/infiniband/core/cq.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c
> index e95510117a6d..b9c4cefe90c1 100644
> --- a/drivers/infiniband/core/cq.c
> +++ b/drivers/infiniband/core/cq.c
> @@ -29,7 +29,13 @@ static int __ib_process_cq(struct ib_cq *cq, int budget)
> {
> int i, n, completed = 0;
>
> - while ((n = ib_poll_cq(cq, IB_POLL_BATCH, cq->wc)) > 0) {
> + /*
> + * budget might be (-1) if the caller does not
> + * want to bound this call, thus we need unsigned
> + * minimum here.
> + */
> + while ((n = ib_poll_cq(cq, min_t(u32, IB_POLL_BATCH,
> + budget - completed), cq->wc)) > 0) {
> for (i = 0; i < n; i++) {
> struct ib_wc *wc = &cq->wc[i];
Reviewed-by: Yuval Shaia <yuval.shaia@xxxxxxxxxx>
>
> --
> 2.7.4
>
> --
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