x86: apic_32.c - add lapic resource
Add lapic resource into kernel resource map and mark it as busy Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Cc: "Maciej W. Rozycki" <macro@linux-mips.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> CC: Maciej W. Rozycki <macro@linux-mips.org>
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@ -82,6 +82,11 @@ int pic_mode;
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/* Have we found an MP table */
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int smp_found_config;
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static struct resource lapic_resource = {
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.name = "Local APIC",
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.flags = IORESOURCE_MEM | IORESOURCE_BUSY,
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};
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static unsigned int calibration_result;
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static int lapic_next_event(unsigned long delta,
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@ -1720,3 +1725,21 @@ static int __init apic_set_verbosity(char *str)
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}
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__setup("apic=", apic_set_verbosity);
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static int __init lapic_insert_resource(void)
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{
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if (!apic_phys)
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return -1;
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/* Put local APIC into the resource map. */
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lapic_resource.start = apic_phys;
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lapic_resource.end = lapic_resource.start + PAGE_SIZE - 1;
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insert_resource(&iomem_resource, &lapic_resource);
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return 0;
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}
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/*
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* need call insert after e820_reserve_resources()
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* that is using request_resource
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*/
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late_initcall(lapic_insert_resource);
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