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@@ -43,8 +43,6 @@ static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
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};
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#ifdef CONFIG_SMP
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-static struct acpi_table_madt *madt;
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-
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static int map_lapic_id(struct acpi_subtable_header *entry,
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u32 acpi_id, int *apic_id)
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{
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@@ -100,8 +98,17 @@ static int map_lsapic_id(struct acpi_subtable_header *entry,
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static int map_madt_entry(int type, u32 acpi_id)
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{
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unsigned long madt_end, entry;
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+ static struct acpi_table_madt *madt;
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+ static int read_madt;
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int apic_id = -1;
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+ if (!read_madt) {
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+ if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
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+ (struct acpi_table_header **)&madt)))
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+ madt = NULL;
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+ read_madt++;
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+ }
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+
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if (!madt)
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return apic_id;
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@@ -335,13 +342,6 @@ early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
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void __init acpi_early_processor_set_pdc(void)
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{
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-
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-#ifdef CONFIG_SMP
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- if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
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- (struct acpi_table_header **)&madt)))
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- madt = NULL;
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-#endif
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-
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/*
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* Check whether the system is DMI table. If yes, OSPM
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* should not use mwait for CPU-states.
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