diff options
| -rw-r--r-- | sys/amd64/amd64/mp_machdep.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/amd64/amd64/mp_machdep.c b/sys/amd64/amd64/mp_machdep.c index d843a23..7577b62 100644 --- a/sys/amd64/amd64/mp_machdep.c +++ b/sys/amd64/amd64/mp_machdep.c @@ -561,6 +561,13 @@ init_secondary(void) smp_active = 1; /* historic */ } + /* + * Enable global pages TLB extension + * This also implicitly flushes the TLB + */ + + load_cr4(rcr4() | CR4_PGE); + mtx_unlock_spin(&ap_boot_mtx); /* wait until all the AP's are up */ |
