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x86: apic_32.c - add lapic resource

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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>
This commit is contained in:
Cyrill Gorcunov 2008-07-01 21:43:52 +04:00 committed by Ingo Molnar
parent 5d061e397d
commit 746f2eb790
1 changed files with 23 additions and 0 deletions
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23
arch/x86/kernel/apic_32.c
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@ -82,6 +82,11 @@ int pic_mode;
/* Have we found an MP table */
int smp_found_config;
static struct resource lapic_resource = {
.name = "Local APIC",
.flags = IORESOURCE_MEM | IORESOURCE_BUSY,
};
static unsigned int calibration_result;
static int lapic_next_event(unsigned long delta,
@ -1720,3 +1725,21 @@ static int __init apic_set_verbosity(char *str)
}
__setup("apic=", apic_set_verbosity);
static int __init lapic_insert_resource(void)
{
if (!apic_phys)
return -1;
/* Put local APIC into the resource map. */
lapic_resource.start = apic_phys;
lapic_resource.end = lapic_resource.start + PAGE_SIZE - 1;
insert_resource(&iomem_resource, &lapic_resource);
return 0;
}
/*
* need call insert after e820_reserve_resources()
* that is using request_resource
*/
late_initcall(lapic_insert_resource);