svn commit: r305108 - head/sys/kern

[Nathan Whitehorn]

Author: nwhitehorn
Date: Wed Aug 31 04:02:52 2016
New Revision: 305108
URL: https://svnweb.freebsd.org/changeset/base/305108

Log:
  Refix operation on sparse CPU mappings as in r302372, temporarily broken
  by r304716.
  
  PR:           kern/210106
  MFC after:    2 days

Modified:
  head/sys/kern/imgact_elf.c
  head/sys/kern/subr_gtaskqueue.c

Modified: head/sys/kern/imgact_elf.c
==============================================================================
--- head/sys/kern/imgact_elf.c  Wed Aug 31 03:55:50 2016        (r305107)
+++ head/sys/kern/imgact_elf.c  Wed Aug 31 04:02:52 2016        (r305108)
@@ -1105,6 +1105,9 @@ __elfN(freebsd_fixup)(register_t **stack
                AUXARGS_ENTRY(pos, AT_TIMEKEEP,
                    imgp->sysent->sv_timekeep_base);
        }
+#ifdef AT_HWCAP
+       AUXARGS_ENTRY(pos, AT_HWCAP, cpu_features);
+#endif
        AUXARGS_ENTRY(pos, AT_STACKPROT, imgp->sysent->sv_shared_page_obj
            != NULL && imgp->stack_prot != 0 ? imgp->stack_prot :
            imgp->sysent->sv_stackprot);

Modified: head/sys/kern/subr_gtaskqueue.c
==============================================================================
--- head/sys/kern/subr_gtaskqueue.c     Wed Aug 31 03:55:50 2016        
(r305107)
+++ head/sys/kern/subr_gtaskqueue.c     Wed Aug 31 04:02:52 2016        
(r305108)
@@ -742,7 +742,7 @@ _taskqgroup_adjust(struct taskqgroup *qg
        LIST_HEAD(, grouptask) gtask_head = LIST_HEAD_INITIALIZER(NULL);
        cpuset_t mask;
        struct grouptask *gtask;
-       int i, old_cnt, qid;
+       int i, k, old_cnt, qid, cpu;
 
        mtx_assert(&qgroup->tqg_lock, MA_OWNED);
 
@@ -806,8 +806,11 @@ _taskqgroup_adjust(struct taskqgroup *qg
        /*
         * Set new CPU and IRQ affinity
         */
+       cpu = CPU_FIRST();
        for (i = 0; i < cnt; i++) {
-               qgroup->tqg_queue[i].tgc_cpu = i * qgroup->tqg_stride;
+               qgroup->tqg_queue[i].tgc_cpu = cpu;
+               for (k = 0; k < qgroup->tqg_stride; k++)
+                       cpu = CPU_NEXT(cpu);
                CPU_ZERO(&mask);
                CPU_SET(qgroup->tqg_queue[i].tgc_cpu, &mask);
                LIST_FOREACH(gtask, &qgroup->tqg_queue[i].tgc_tasks, gt_list) {
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