diff options
| -rw-r--r-- | sys/i386/i386/pmap.c | 1 | ||||
| -rw-r--r-- | sys/i386/xen/pmap.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index d0699b5..a09138c 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -1947,6 +1947,7 @@ pmap_lazyfix(pmap_t pmap) /* Find least significant set bit. */ lsb = cpusetobj_ffs(&mask); + MPASS(lsb != 0); lsb--; CPU_SETOF(lsb, &mask); mtx_lock_spin(&smp_ipi_mtx); diff --git a/sys/i386/xen/pmap.c b/sys/i386/xen/pmap.c index 1149b6f..2f39538 100644 --- a/sys/i386/xen/pmap.c +++ b/sys/i386/xen/pmap.c @@ -1730,6 +1730,7 @@ pmap_lazyfix(pmap_t pmap) /* Find least significant set bit. */ lsb = cpusetobj_ffs(&mask); + MPASS(lsb != 0); lsb--; CPU_SETOF(lsb, &mask); mtx_lock_spin(&smp_ipi_mtx); |
