Similar to what has been done with pipes and message queues,
user mode can't be trusted to provide a buffer for the kernel
to use. Remove k_stack_init() as a syscall and offer
k_stack_alloc_init() which allocates a buffer from the caller's
resource pool.
Fixes#7285
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
add stack test cases which cover basic api usage across
threads and thread/isr.
Change-Id: I1f42fa1139899c932a14da18753b93972f561bc8
Signed-off-by: jing wang <jing.j.wang@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>