Commits
![Vasily Gorbik](https://secure.gravatar.com/avatar/bd8d500889549e1a098a1e01bee1caa1.jpg?s=96&d=mm)
Vasily Gorbik committed da177673361
s390/unwind: cleanup unused READ_ONCE_TASK_STACK Kasan instrumentation of backchain unwinder stack reads is disabled completely and simply uses READ_ONCE_NOCHECK now. READ_ONCE_TASK_STACK macro is unused and could be removed. Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>