[ACPI] don't register disabled processors -- it just confuses people

c77fd09b · Len Brown · ea885801 · c77fd09b · c77fd09b
Commit c77fd09b authored Feb 10, 2004 by Len Brown
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arch/i386/kernel/acpi/boot.c arch/i386/kernel/acpi/boot.c +4 -0

arch/x86_64/kernel/acpi/boot.c arch/x86_64/kernel/acpi/boot.c +5 -0

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--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -141,6 +141,10 @@ acpi_parse_lapic (

 	acpi_table_print_madt_entry(header);

+	/* no utility in registering a disabled processor */
+	if (processor->flags.enabled == 0)
+		return 0;
+
 	mp_register_lapic (
 		processor->id,					   /* APIC ID */
 		processor->flags.enabled);			  /* Enabled? */

--- a/arch/x86_64/kernel/acpi/boot.c
+++ b/arch/x86_64/kernel/acpi/boot.c
@@ -120,6 +120,11 @@ acpi_parse_lapic (

 	acpi_table_print_madt_entry(header);

+	/* no utility in registering a disabled processor */
+	if (processor->flags.enabled == 0)
+		return 0;
+
+
 	mp_register_lapic (
 		processor->id,					   /* APIC ID */
 		processor->flags.enabled);			  /* Enabled? */