diff options
| author | jeff <jeff@FreeBSD.org> | 2002-03-20 02:27:55 +0000 |
|---|---|---|
| committer | jeff <jeff@FreeBSD.org> | 2002-03-20 02:27:55 +0000 |
| commit | 290c91ea66f03f6990d6543be3fbbfc8ac015f28 (patch) | |
| tree | 0065e60a421b4e88bffcc4afbbc69c37a056d31a /sys/alpha | |
| parent | 732ca9dc6a28f477a9936d8ef375a0d3f338070d (diff) | |
| download | FreeBSD-src-290c91ea66f03f6990d6543be3fbbfc8ac015f28.zip FreeBSD-src-290c91ea66f03f6990d6543be3fbbfc8ac015f28.tar.gz | |
Force the boot cpu to wait for the APs to finish starting up. This eliminates
a race where the AP and the boot cpu were trying to printf at the same time,
which was confusing the console too much for it to continue working.
Diffstat (limited to 'sys/alpha')
| -rw-r--r-- | sys/alpha/alpha/mp_machdep.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/alpha/alpha/mp_machdep.c b/sys/alpha/alpha/mp_machdep.c index 9ad8966..62f0efc 100644 --- a/sys/alpha/alpha/mp_machdep.c +++ b/sys/alpha/alpha/mp_machdep.c @@ -535,6 +535,9 @@ release_aps(void *dummy __unused) if (bootverbose) printf("%s: releasing secondary CPUs\n", __func__); atomic_store_rel_int(&aps_ready, 1); + + while (smp_started == 0) + ; /* nothing */ } SYSINIT(start_aps, SI_SUB_SMP, SI_ORDER_FIRST, release_aps, NULL); |
