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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