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52 lines
1.1 KiB
52 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Copyright 2004 James Cleverdon, IBM. |
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* |
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* Generic APIC sub-arch probe layer. |
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* |
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* Hacked for x86-64 by James Cleverdon from i386 architecture code by |
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* Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and |
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* James Cleverdon. |
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*/ |
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#include <linux/thread_info.h> |
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#include <asm/apic.h> |
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#include "local.h" |
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/* |
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* Check the APIC IDs in bios_cpu_apicid and choose the APIC mode. |
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*/ |
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void __init default_setup_apic_routing(void) |
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{ |
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struct apic **drv; |
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enable_IR_x2apic(); |
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for (drv = __apicdrivers; drv < __apicdrivers_end; drv++) { |
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if ((*drv)->probe && (*drv)->probe()) { |
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if (apic != *drv) { |
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apic = *drv; |
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pr_info("Switched APIC routing to %s.\n", |
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apic->name); |
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} |
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break; |
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} |
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} |
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} |
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int __init default_acpi_madt_oem_check(char *oem_id, char *oem_table_id) |
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{ |
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struct apic **drv; |
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for (drv = __apicdrivers; drv < __apicdrivers_end; drv++) { |
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if ((*drv)->acpi_madt_oem_check(oem_id, oem_table_id)) { |
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if (apic != *drv) { |
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apic = *drv; |
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pr_info("Setting APIC routing to %s.\n", |
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apic->name); |
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} |
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return 1; |
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} |
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} |
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return 0; |
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}
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