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| author | attilio <attilio@FreeBSD.org> | 2010-05-11 15:36:16 +0000 |
|---|---|---|
| committer | attilio <attilio@FreeBSD.org> | 2010-05-11 15:36:16 +0000 |
| commit | 31c196b3b94d81c997db90b6e80a55ceb02cb044 (patch) | |
| tree | b016c986f9bb80bcdc8429caf0a5fc2ce3839f08 /sys/kern/subr_smp.c | |
| parent | 766963d6798ac8eadcde71348dcfa49a08bb46f0 (diff) | |
| download | FreeBSD-src-31c196b3b94d81c997db90b6e80a55ceb02cb044.zip FreeBSD-src-31c196b3b94d81c997db90b6e80a55ceb02cb044.tar.gz | |
Fix a hang introduced in r206878 for kernel compiled with SMP support but
being not actual SMP and similar situations by always initializing the
smp ipi mutex.
Reported by: marius
MFC after: 3 days
X-MFC: r206878
Diffstat (limited to 'sys/kern/subr_smp.c')
| -rw-r--r-- | sys/kern/subr_smp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/subr_smp.c b/sys/kern/subr_smp.c index f226e3a..fb19b0e 100644 --- a/sys/kern/subr_smp.c +++ b/sys/kern/subr_smp.c @@ -137,6 +137,8 @@ static void mp_start(void *dummy) { + mtx_init(&smp_ipi_mtx, "smp rendezvous", NULL, MTX_SPIN); + /* Probe for MP hardware. */ if (smp_disabled != 0 || cpu_mp_probe() == 0) { mp_ncpus = 1; @@ -144,7 +146,6 @@ mp_start(void *dummy) return; } - mtx_init(&smp_ipi_mtx, "smp rendezvous", NULL, MTX_SPIN); cpu_mp_start(); printf("FreeBSD/SMP: Multiprocessor System Detected: %d CPUs\n", mp_ncpus); |
