make ARCH=i386 allyesconfig gave bellow errors:
drivers/built-in.o: In function `kiblnd_create_conn':
>> (.text+0x1a74425): undefined reference to `__umoddi3'
Reported-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Signed-off-by: Peng Tao <tao.peng@xxxxxxx>
---
.../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
index 221d373..29a9794 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
@@ -39,6 +39,7 @@
*/
#include "o2iblnd.h"
+#include <asm/div64.h>
lnd_t the_o2iblnd = {
.lnd_type = O2IBLND,
@@ -694,6 +695,7 @@ kiblnd_get_completion_vector(kib_conn_t *conn, int cpt)
int vectors;
int off;
int i;
+ lnet_nid_t nid = conn->ibc_peer->ibp_nid;
vectors = conn->ibc_cmid->device->num_comp_vectors;
if (vectors <= 1)
@@ -702,7 +704,7 @@ kiblnd_get_completion_vector(kib_conn_t *conn, int cpt)
mask = cfs_cpt_cpumask(lnet_cpt_table(), cpt);
/* hash NID to CPU id in this partition... */
- off = conn->ibc_peer->ibp_nid % cpus_weight(*mask);
+ off = do_div(nid, cpus_weight(*mask));
for_each_cpu_mask(i, *mask) {
if (off-- == 0)
return i % vectors;
--
1.7.1
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