diff --git a/sys/kern/subr_kdb.c b/sys/kern/subr_kdb.c --- a/sys/kern/subr_kdb.c +++ b/sys/kern/subr_kdb.c @@ -238,7 +238,7 @@ kdb_sysctl_trap(SYSCTL_HANDLER_ARGS) { int error, i; - int *addr = (int *)0x10; + int *volatile addr = (int *)0x10; error = sysctl_wire_old_buffer(req, sizeof(int)); if (error == 0) {