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Disable recursion for the process spinlock.

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Tested by:	pho
Discussed with:	jhb
Sponsored by:	The FreeBSD Foundation
MFC after:	1 month
This commit is contained in:
Konstantin Belousov 2014-12-01 17:36:10 +00:00
parent 257d0dda42
commit 6afb32fc67
2 changed files with 2 additions and 2 deletions
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2
sys/kern/kern_mutex.c
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@ -968,7 +968,7 @@ mutex_init(void)
mtx_init(&blocked_lock, "blocked lock", NULL, MTX_SPIN);
blocked_lock.mtx_lock = 0xdeadc0de; /* Always blocked. */
mtx_init(&proc0.p_mtx, "process lock", NULL, MTX_DEF | MTX_DUPOK);
mtx_init(&proc0.p_slock, "process slock", NULL, MTX_SPIN | MTX_RECURSE);
mtx_init(&proc0.p_slock, "process slock", NULL, MTX_SPIN);
mtx_init(&proc0.p_statmtx, "pstatl", NULL, MTX_SPIN);
mtx_init(&proc0.p_itimmtx, "pitiml", NULL, MTX_SPIN);
mtx_init(&proc0.p_profmtx, "pprofl", NULL, MTX_SPIN);

2
sys/kern/kern_proc.c
View File

@ -227,7 +227,7 @@ proc_init(void *mem, int size, int flags)
p->p_sched = (struct p_sched *)&p[1];
bzero(&p->p_mtx, sizeof(struct mtx));
mtx_init(&p->p_mtx, "process lock", NULL, MTX_DEF | MTX_DUPOK);
mtx_init(&p->p_slock, "process slock", NULL, MTX_SPIN | MTX_RECURSE);
mtx_init(&p->p_slock, "process slock", NULL, MTX_SPIN);
mtx_init(&p->p_statmtx, "pstatl", NULL, MTX_SPIN);
mtx_init(&p->p_itimmtx, "pitiml", NULL, MTX_SPIN);
mtx_init(&p->p_profmtx, "pprofl", NULL, MTX_SPIN);