diff options
Diffstat (limited to 'sys/i386/xen/pmap.c')
-rw-r--r-- | sys/i386/xen/pmap.c | 1 |
1 files changed, 1 insertions, 0 deletions
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); |