void __init disable_sr_hashing()

in kernel/cache.c [264:300]

• 29 lines of code
• 10 McCabe index (conditional complexity)

void __init disable_sr_hashing(void)
{
	int srhash_type, retval;
	unsigned long space_bits;

	switch (boot_cpu_data.cpu_type) {
	case pcx: /* We shouldn't get this far.  setup.c should prevent it. */
		BUG();
		return;

	case pcxs:
	case pcxt:
	case pcxt_:
		srhash_type = SRHASH_PCXST;
		break;

	case pcxl:
		srhash_type = SRHASH_PCXL;
		break;

	case pcxl2: /* pcxl2 doesn't support space register hashing */
		return;

	default: /* Currently all PA2.0 machines use the same ins. sequence */
		srhash_type = SRHASH_PA20;
		break;
	}

	disable_sr_hashing_asm(srhash_type);

	retval = pdc_spaceid_bits(&space_bits);
	/* If this procedure isn't implemented, don't panic. */
	if (retval < 0 && retval != PDC_BAD_OPTION)
		panic("pdc_spaceid_bits call failed.\n");
	if (space_bits != 0)
		panic("SpaceID hashing is still on!\n");
}