diff options
author | fsmp <fsmp@FreeBSD.org> | 1997-08-10 19:32:38 +0000 |
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committer | fsmp <fsmp@FreeBSD.org> | 1997-08-10 19:32:38 +0000 |
commit | f76cbffb979aec0ebd0cda902aa42bcb5492c6a4 (patch) | |
tree | 636ffb01c72cc272d1649bc18e0e00a72d273d38 /sys/amd64 | |
parent | cda69874ef4c7bc9289ad428e079718847f8cc8f (diff) | |
download | FreeBSD-src-f76cbffb979aec0ebd0cda902aa42bcb5492c6a4.zip FreeBSD-src-f76cbffb979aec0ebd0cda902aa42bcb5492c6a4.tar.gz |
Cheap fix for kern/4255.
If the problem is seen this fix suggests a compile-time work-around then panics.
Diffstat (limited to 'sys/amd64')
-rw-r--r-- | sys/amd64/amd64/mp_machdep.c | 14 | ||||
-rw-r--r-- | sys/amd64/amd64/mptable.c | 14 | ||||
-rw-r--r-- | sys/amd64/include/mptable.h | 14 |
3 files changed, 30 insertions, 12 deletions
diff --git a/sys/amd64/amd64/mp_machdep.c b/sys/amd64/amd64/mp_machdep.c index db6db90..ce107d9 100644 --- a/sys/amd64/amd64/mp_machdep.c +++ b/sys/amd64/amd64/mp_machdep.c @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: mp_machdep.c,v 1.26 1997/08/09 22:12:14 smp Exp $ + * $Id: mp_machdep.c,v 1.40 1997/08/09 23:01:03 fsmp Exp $ */ #include "opt_smp.h" @@ -724,12 +724,18 @@ mptable_pass1(void) /* qualify the numbers */ if (mp_naps > NCPU) +#if 0 /* XXX FIXME: kern/4255 */ printf("Warning: only using %d of %d available CPUs!\n", NCPU, mp_naps); -#if 0 - /** XXX we consider this legal now (but should we?) */ +#else + { + printf("NCPU cannot be different than actual CPU count.\n"); + printf(" add 'options NCPU=%d' to your kernel config file,\n", + mp_naps); + printf(" then rerun config & rebuild your SMP kernel\n"); mustpanic = 1; -#endif + } +#endif /* XXX FIXME: kern/4255 */ if (mp_nbusses > NBUS) { printf("found %d busses, increase NBUS\n", mp_nbusses); mustpanic = 1; diff --git a/sys/amd64/amd64/mptable.c b/sys/amd64/amd64/mptable.c index db6db90..ce107d9 100644 --- a/sys/amd64/amd64/mptable.c +++ b/sys/amd64/amd64/mptable.c @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: mp_machdep.c,v 1.26 1997/08/09 22:12:14 smp Exp $ + * $Id: mp_machdep.c,v 1.40 1997/08/09 23:01:03 fsmp Exp $ */ #include "opt_smp.h" @@ -724,12 +724,18 @@ mptable_pass1(void) /* qualify the numbers */ if (mp_naps > NCPU) +#if 0 /* XXX FIXME: kern/4255 */ printf("Warning: only using %d of %d available CPUs!\n", NCPU, mp_naps); -#if 0 - /** XXX we consider this legal now (but should we?) */ +#else + { + printf("NCPU cannot be different than actual CPU count.\n"); + printf(" add 'options NCPU=%d' to your kernel config file,\n", + mp_naps); + printf(" then rerun config & rebuild your SMP kernel\n"); mustpanic = 1; -#endif + } +#endif /* XXX FIXME: kern/4255 */ if (mp_nbusses > NBUS) { printf("found %d busses, increase NBUS\n", mp_nbusses); mustpanic = 1; diff --git a/sys/amd64/include/mptable.h b/sys/amd64/include/mptable.h index db6db90..ce107d9 100644 --- a/sys/amd64/include/mptable.h +++ b/sys/amd64/include/mptable.h @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: mp_machdep.c,v 1.26 1997/08/09 22:12:14 smp Exp $ + * $Id: mp_machdep.c,v 1.40 1997/08/09 23:01:03 fsmp Exp $ */ #include "opt_smp.h" @@ -724,12 +724,18 @@ mptable_pass1(void) /* qualify the numbers */ if (mp_naps > NCPU) +#if 0 /* XXX FIXME: kern/4255 */ printf("Warning: only using %d of %d available CPUs!\n", NCPU, mp_naps); -#if 0 - /** XXX we consider this legal now (but should we?) */ +#else + { + printf("NCPU cannot be different than actual CPU count.\n"); + printf(" add 'options NCPU=%d' to your kernel config file,\n", + mp_naps); + printf(" then rerun config & rebuild your SMP kernel\n"); mustpanic = 1; -#endif + } +#endif /* XXX FIXME: kern/4255 */ if (mp_nbusses > NBUS) { printf("found %d busses, increase NBUS\n", mp_nbusses); mustpanic = 1; |