Author: cem
Date: Thu Oct 22 23:03:24 2015
New Revision: 289775
URL: https://svnweb.freebsd.org/changeset/base/289775
Log:
if_ntb: Use ffsll() now that it is broadly available
Sponsored by: EMC / Isilon Storage Division
Modified:
head/sys/dev/ntb/if_ntb/if_ntb.c
Modified: head/sys/dev/ntb/if_ntb/if_ntb.c
==============================================================================
--- head/sys/dev/ntb/if_ntb/if_ntb.c Thu Oct 22 23:03:15 2015
(r289774)
+++ head/sys/dev/ntb/if_ntb/if_ntb.c Thu Oct 22 23:03:24 2015
(r289775)
@@ -1150,14 +1150,7 @@ ntb_transport_doorbell_callback(void *da
vec_mask = ntb_db_vector_mask(nt->ntb, vector);
while (vec_mask != 0) {
- qp_num = ffsl(vec_mask);
- /* i386 doesn't have ffsll(), fake it */
- if (qp_num == 0) {
- qp_num = ffsl(vec_mask >> 32);
- KASSERT(qp_num != 0, ("ffs"));
- qp_num += 32;
- }
- qp_num--;
+ qp_num = ffsll(vec_mask) - 1;
if (test_bit(qp_num, &db_bits)) {
qp = &nt->qp_vec[qp_num];
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