static void mca_insert_tr()

in kernel/mca.c [1224:1262]

• 36 lines of code
• 8 McCabe index (conditional complexity)

static void mca_insert_tr(u64 iord)
{

	int i;
	u64 old_rr;
	struct ia64_tr_entry *p;
	unsigned long psr;
	int cpu = smp_processor_id();

	if (!ia64_idtrs[cpu])
		return;

	psr = ia64_clear_ic();
	for (i = IA64_TR_ALLOC_BASE; i < IA64_TR_ALLOC_MAX; i++) {
		p = ia64_idtrs[cpu] + (iord - 1) * IA64_TR_ALLOC_MAX;
		if (p->pte & 0x1) {
			old_rr = ia64_get_rr(p->ifa);
			if (old_rr != p->rr) {
				ia64_set_rr(p->ifa, p->rr);
				ia64_srlz_d();
			}
			ia64_ptr(iord, p->ifa, p->itir >> 2);
			ia64_srlz_i();
			if (iord & 0x1) {
				ia64_itr(0x1, i, p->ifa, p->pte, p->itir >> 2);
				ia64_srlz_i();
			}
			if (iord & 0x2) {
				ia64_itr(0x2, i, p->ifa, p->pte, p->itir >> 2);
				ia64_srlz_i();
			}
			if (old_rr != p->rr) {
				ia64_set_rr(p->ifa, old_rr);
				ia64_srlz_d();
			}
		}
	}
	ia64_set_psr(psr);
}