On 04/04/17 10:47, Thomas Garnier wrote: > Implement specific usage of verify_pre_usermode_state for user-mode > returns for x86. > > Signed-off-by: Thomas Garnier <[email protected]> > > + /* > + * If address limit is not based on user-mode, jump to slow path for > + * additional security checks. > + */ > + movq $TASK_SIZE_MAX, %rcx > + cmp %rcx, TASK_addr_limit(%r11) > + jnz 1f > + > LOCKDEP_SYS_EXIT
Nitpick: use jne not jnz when comparing for equality. Same instruction
but more readable.
-hpa
