diff options
Diffstat (limited to 'sys/kern/subr_smp.c')
| -rw-r--r-- | sys/kern/subr_smp.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/kern/subr_smp.c b/sys/kern/subr_smp.c index 049aa83..91e77c2 100644 --- a/sys/kern/subr_smp.c +++ b/sys/kern/subr_smp.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 1.19 1997/06/24 06:55:30 fsmp Exp $ + * $Id: mp_machdep.c,v 1.20 1997/06/24 07:48:02 fsmp Exp $ */ #include "opt_smp.h" @@ -47,6 +47,7 @@ #include <machine/segments.h> #include <machine/smptests.h> /** TEST_DEFAULT_CONFIG */ #include <machine/tss.h> +#include <machine/specialreg.h> #include <i386/i386/cons.h> /* cngetc() */ @@ -437,6 +438,13 @@ mp_enable(u_int boot_addr) /* start each Application Processor */ start_all_aps(boot_addr); + + /* + * The init process might be started on a different CPU now, + * and the boot CPU might not call prepare_usermode to get + * cr0 correctly configured. Thus we initialize cr0 here. + */ + load_cr0(rcr0() | CR0_WP | CR0_AM); } |
