sme_alloc
extern void sme_alloc(struct task_struct *task, bool flush);
sme_alloc(current, true);
sme_alloc(target, !thread_za_enabled(&target->thread));
sme_alloc(target, true);
sme_alloc(target, false);
sme_alloc(current, false);
sme_alloc(current, true);