diff options
| -rw-r--r-- | sys/amd64/amd64/exception.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/amd64/amd64/exception.S b/sys/amd64/amd64/exception.S index 49d61f6..1331917 100644 --- a/sys/amd64/amd64/exception.S +++ b/sys/amd64/amd64/exception.S @@ -212,6 +212,8 @@ alltraps_pushregs_no_rdi: * interrupt. For all other trap types, just handle them in * the usual way. */ + testb $SEL_RPL_MASK,TF_CS(%rsp) /* Did we come from kernel? */ + jnz calltrap /* ignore userland traps */ cmpl $T_BPTFLT,TF_TRAPNO(%rsp) jne calltrap |
