diff options
| author | Jon Mason <jon.mason@intel.com> | 2014-06-19 10:11:13 -0700 |
|---|---|---|
| committer | Jon Mason <jdmason@kudzu.us> | 2014-09-14 00:10:38 -0400 |
| commit | a1413cfbcb9f56fca59043ef3c19369327e61b49 (patch) | |
| tree | d74ee70d01d1fd19213b934fa497d006a5cd0421 /drivers/ntb | |
| parent | 2ce7598c9a453e0acd0e07be7be3f5eb39608ebd (diff) | |
| download | lwn-a1413cfbcb9f56fca59043ef3c19369327e61b49.tar.gz lwn-a1413cfbcb9f56fca59043ef3c19369327e61b49.zip | |
NTB: correct the spread of queues over mw's
The detection of an uneven number of queues on the given memory windows
was not correct. The mw_num is zero based and the mod should be
division to spread them evenly over the mw's.
Signed-off-by: Jon Mason <jon.mason@intel.com>
Diffstat (limited to 'drivers/ntb')
| -rw-r--r-- | drivers/ntb/ntb_transport.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index 9dd63b822025..611fef48bdc3 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -510,7 +510,7 @@ static void ntb_transport_setup_qp_mw(struct ntb_transport *nt, WARN_ON(nt->mw[mw_num].virt_addr == NULL); - if (nt->max_qps % mw_max && mw_num < nt->max_qps % mw_max) + if (nt->max_qps % mw_max && mw_num + 1 < nt->max_qps / mw_max) num_qps_mw = nt->max_qps / mw_max + 1; else num_qps_mw = nt->max_qps / mw_max; @@ -856,7 +856,7 @@ static int ntb_transport_init_queue(struct ntb_transport *nt, qp->client_ready = NTB_LINK_DOWN; qp->event_handler = NULL; - if (nt->max_qps % mw_max && mw_num < nt->max_qps % mw_max) + if (nt->max_qps % mw_max && mw_num + 1 < nt->max_qps / mw_max) num_qps_mw = nt->max_qps / mw_max + 1; else num_qps_mw = nt->max_qps / mw_max; |