diff options
Diffstat (limited to 'sys/vm/vm_fault.c')
| -rw-r--r-- | sys/vm/vm_fault.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c index 4f4015d..7581cc8 100644 --- a/sys/vm/vm_fault.c +++ b/sys/vm/vm_fault.c @@ -276,6 +276,10 @@ RetryFault:; map_generation = fs.map->timestamp; if (fs.entry->eflags & MAP_ENTRY_NOFAULT) { + if ((curthread->td_pflags & TDP_DEVMEMIO) != 0) { + vm_map_unlock_read(fs.map); + return (KERN_FAILURE); + } panic("vm_fault: fault on nofault entry, addr: %lx", (u_long)vaddr); } |
