diff options
Diffstat (limited to 'arch/m68k/kernel/entry.S')
| -rw-r--r-- | arch/m68k/kernel/entry.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index 18f278bdbd21..4dd2fd7acba9 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -184,9 +184,12 @@ do_trace_entry: jbsr syscall_trace_enter RESTORE_SWITCH_STACK addql #4,%sp + addql #1,%d0 | optimization for cmpil #-1,%d0 + jeq ret_from_syscall movel %sp@(PT_OFF_ORIG_D0),%d0 cmpl #NR_syscalls,%d0 jcs syscall + jra ret_from_syscall badsys: movel #-ENOSYS,%sp@(PT_OFF_D0) jra ret_from_syscall @@ -211,6 +214,9 @@ ENTRY(system_call) | syscall trace? tstb %a1@(TINFO_FLAGS+2) jmi do_trace_entry + | seccomp filter active? + btst #5,%a1@(TINFO_FLAGS+2) + bnes do_trace_entry cmpl #NR_syscalls,%d0 jcc badsys syscall: |