diff options
| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-09-12 13:08:18 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-10-08 20:22:57 -0700 |
| commit | 90af668a965fd4732996274c7babfc63b090ddf0 (patch) | |
| tree | 269b1b425b1255daa2a796a56da30e04c646c690 /include | |
| parent | 092609f380fe84ab974062729942ba6b0be3a78f (diff) | |
APIC routing fix
commit e0da33646826b66ef933d47ea2fb7a693fd849bf upstream
x86: introduce max_physical_apicid for bigsmp switching
a multi-socket test-system with 3 or 4 ioapics, when 4 dualcore cpus or
2 quadcore cpus installed, needs to switch to bigsmp or physflat.
CPU apic id is [4,11] instead of [0,7], and we need to check max apic
id instead of cpu numbers.
also add check for 32 bit when acpi is not compiled in or acpi=off.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/mpspec.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-x86/mpspec.h b/include/asm-x86/mpspec.h index 57a991b9c053..4c7558731a3c 100644 --- a/include/asm-x86/mpspec.h +++ b/include/asm-x86/mpspec.h @@ -35,6 +35,7 @@ extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); extern int mp_bus_id_to_pci_bus[MAX_MP_BUSSES]; extern unsigned int boot_cpu_physical_apicid; +extern unsigned int max_physical_apicid; extern int smp_found_config; extern int mpc_default_type; extern unsigned long mp_lapic_addr; |