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authorAlexey Starikovskiy <astarikovskiy@suse.de>2008-03-17 20:08:11 +0100
committerIngo Molnar <mingo@elte.hu>2008-04-17 17:41:04 +0200
commite3e3ffa20351b32b5eaa6020d051305c8d803ed4 (patch)
treeb3d1904d11f6bb7243d38dc8dcaeafad3ca9b055 /arch
parentx86: add bad_ioapic to mpparse_32.c (diff)
downloadlinux-e3e3ffa20351b32b5eaa6020d051305c8d803ed4.tar.xz
linux-e3e3ffa20351b32b5eaa6020d051305c8d803ed4.zip
x86: add uniq_ioapic_id to mpparse_32.c
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/mpparse_32.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/x86/kernel/mpparse_32.c b/arch/x86/kernel/mpparse_32.c
index fd89d3521bd3..838e4974e1ce 100644
--- a/arch/x86/kernel/mpparse_32.c
+++ b/arch/x86/kernel/mpparse_32.c
@@ -922,31 +922,30 @@ static int mp_find_ioapic (int gsi)
return -1;
}
+static u8 uniq_ioapic_id(u8 id)
+{
+ 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;
+}
+
void __init mp_register_ioapic(u8 id, u32 address, u32 gsi_base)
{
int idx = 0;
- int tmpid;
if (bad_ioapic(address))
return;
- idx = nr_ioapics++;
+ idx = nr_ioapics;
mp_ioapics[idx].mpc_type = MP_IOAPIC;
mp_ioapics[idx].mpc_flags = MPC_APIC_USABLE;
mp_ioapics[idx].mpc_apicaddr = address;
set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
- if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
- && !APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
- tmpid = io_apic_get_unique_id(idx, id);
- else
- tmpid = id;
- if (tmpid == -1) {
- nr_ioapics--;
- return;
- }
- mp_ioapics[idx].mpc_apicid = tmpid;
+ mp_ioapics[idx].mpc_apicid = uniq_ioapic_id(id);
mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx);
/*
@@ -960,9 +959,12 @@ void __init mp_register_ioapic(u8 id, u32 address, u32 gsi_base)
printk("IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
"GSI %d-%d\n", idx, mp_ioapics[idx].mpc_apicid,
- mp_ioapics[idx].mpc_apicver, mp_ioapics[idx].mpc_apicaddr,
+ mp_ioapics[idx].mpc_apicver,
+ mp_ioapics[idx].mpc_apicaddr,
mp_ioapic_routing[idx].gsi_base,
mp_ioapic_routing[idx].gsi_end);
+
+ nr_ioapics++;
}
void __init