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author | Alexey Starikovskiy <astarikovskiy@suse.de> | 2008-04-04 23:42:53 +0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:41:36 +0200 |
commit | 22cbb4bd12a86b80125accb77515482894ee670f (patch) | |
tree | 0a12dbb766272c5b0fc27f915e07c5c96887b75f /arch/x86/kernel/mpparse_64.c | |
parent | 92fd4b7abdb2b5b85d73ca0adbb6ad3f8b79f805 (diff) |
x86: unify uniq_io_apic_id
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/mpparse_64.c')
-rw-r--r-- | arch/x86/kernel/mpparse_64.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/mpparse_64.c b/arch/x86/kernel/mpparse_64.c index 9a961008991..de64a89434c 100644 --- a/arch/x86/kernel/mpparse_64.c +++ b/arch/x86/kernel/mpparse_64.c @@ -707,6 +707,13 @@ static int mp_find_ioapic(int gsi) static u8 uniq_ioapic_id(u8 id) { +#ifdef CONFIG_X86_32 + if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) && + !APIC_XAPIC(apic_version[boot_cpu_physical_apicid])) + return io_apic_get_unique_id(nr_ioapics, id); + else + return id; +#else int i; DECLARE_BITMAP(used, 256); bitmap_zero(used, 256); @@ -717,6 +724,7 @@ static u8 uniq_ioapic_id(u8 id) if (!test_bit(id, used)) return id; return find_first_zero_bit(used, 256); +#endif } void __init mp_register_ioapic(int id, u32 address, u32 gsi_base) |