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- Doh, lock faultin() with proc lock in scheduler().

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- Lock p_swtime with sched_lock in scheduler() as well.
This commit is contained in:
John Baldwin 2001-01-25 01:38:09 +00:00
parent 7b1bec368f
commit 45ece682fd
1 changed files with 6 additions and 0 deletions
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6
sys/vm/vm_glue.c
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@ -318,10 +318,12 @@ faultin(p)
++p->p_lock;
mtx_exit(&sched_lock, MTX_SPIN);
PROC_UNLOCK(p);
mtx_assert(&Giant, MA_OWNED);
pmap_swapin_proc(p);
PROC_LOCK(p);
mtx_enter(&sched_lock, MTX_SPIN);
if (p->p_stat == SRUN) {
setrunqueue(p);
@ -401,8 +403,12 @@ scheduler(dummy)
/*
* We would like to bring someone in. (only if there is space).
*/
PROC_LOCK(p);
faultin(p);
PROC_UNLOCK(p);
mtx_enter(&sched_lock, MTX_SPIN);
p->p_swtime = 0;
mtx_exit(&sched_lock, MTX_SPIN);
goto loop;
}