Cregit: Linux 5.8: probe

Contributors: 8
Author	Tokens	Token Proportion	Commits	Commit Proportion
Suresh B. Siddha	80	45.71%	4	23.53%
Jack Steiner	33	18.86%	1	5.88%
Yinghai Lu	25	14.29%	3	17.65%
James Cleverdon	18	10.29%	1	5.88%
Ingo Molnar	7	4.00%	4	23.53%
Ido Yariv	7	4.00%	1	5.88%
Thomas Gleixner	3	1.71%	2	11.76%
Jan Beulich	2	1.14%	1	5.88%
Total	175		17

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright 2004 James Cleverdon, IBM.
 *
 * Generic APIC sub-arch probe layer.
 *
 * Hacked for x86-64 by James Cleverdon from i386 architecture code by
 * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and
 * James Cleverdon.
 */
#include <asm/apic.h>

#include "local.h"

/*
 * Check the APIC IDs in bios_cpu_apicid and choose the APIC mode.
 */
void __init default_setup_apic_routing(void)
{
	struct apic **drv;

	enable_IR_x2apic();

	for (drv = __apicdrivers; drv < __apicdrivers_end; drv++) {
		if ((*drv)->probe && (*drv)->probe()) {
			if (apic != *drv) {
				apic = *drv;
				pr_info("Switched APIC routing to %s.\n",
					apic->name);
			}
			break;
		}
	}

	if (x86_platform.apic_post_init)
		x86_platform.apic_post_init();
}

int __init default_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
	struct apic **drv;

	for (drv = __apicdrivers; drv < __apicdrivers_end; drv++) {
		if ((*drv)->acpi_madt_oem_check(oem_id, oem_table_id)) {
			if (apic != *drv) {
				apic = *drv;
				pr_info("Setting APIC routing to %s.\n",
					apic->name);
			}
			return 1;
		}
	}
	return 0;
}

probe_64.c