diff options
| author | Cyrill Gorcunov <gorcunov@gmail.com> | 2008-07-01 21:43:52 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-09 07:43:24 +0200 |
| commit | 746f2eb790e75676ddc3b816ba18bac4179cc744 (patch) | |
| tree | 744659e9b9d87f98f6461aa9f3f639a997bb56f5 /arch/x86/kernel | |
| parent | 5d061e397db1ee7a62783a881833f3f9b89f6dc8 (diff) | |
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>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/apic_32.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 6dea8306d8c..3e947208b9d 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -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); |