Author: bdrewery
Date: Wed Aug 8 17:49:35 2018
New Revision: 337471
URL: https://svnweb.freebsd.org/changeset/base/337471
Log:
MFC r335183:
proc0_post: Fix some locking issues
Modified:
stable/10/sys/kern/init_main.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/kern/init_main.c
==============================================================================
--- stable/10/sys/kern/init_main.c Wed Aug 8 17:48:02 2018
(r337470)
+++ stable/10/sys/kern/init_main.c Wed Aug 8 17:49:35 2018
(r337471)
@@ -611,17 +611,23 @@ proc0_post(void *dummy __unused)
*/
sx_slock(&allproc_lock);
FOREACH_PROC_IN_SYSTEM(p) {
+ PROC_LOCK(p);
+ if (p->p_state == PRS_NEW) {
+ PROC_UNLOCK(p);
+ continue;
+ }
microuptime(&p->p_stats->p_start);
PROC_STATLOCK(p);
rufetch(p, &ru); /* Clears thread stats */
- PROC_STATUNLOCK(p);
p->p_rux.rux_runtime = 0;
p->p_rux.rux_uticks = 0;
p->p_rux.rux_sticks = 0;
p->p_rux.rux_iticks = 0;
+ PROC_STATUNLOCK(p);
FOREACH_THREAD_IN_PROC(p, td) {
td->td_runtime = 0;
}
+ PROC_UNLOCK(p);
}
sx_sunlock(&allproc_lock);
PCPU_SET(switchtime, cpu_ticks());
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