diff options
| author | Jeff Garzik <jeff@garzik.org> | 2006-09-28 00:13:53 +0200 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-28 00:13:53 +0200 |
| commit | aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b (patch) | |
| tree | 57425aa83c8bed5b41af7e3408024fe1f2fdded9 /include/asm-i386/mach-summit/mach_apic.h | |
| parent | Merge branch 'upstream' of git://lost.foo-projects.org/~ahkok/git/netdev-2.6 ... (diff) | |
| parent | Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/... (diff) | |
| download | linux-aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b.tar.xz linux-aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b.zip | |
Merge branch 'master' into upstream
Diffstat (limited to 'include/asm-i386/mach-summit/mach_apic.h')
| -rw-r--r-- | include/asm-i386/mach-summit/mach_apic.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/asm-i386/mach-summit/mach_apic.h b/include/asm-i386/mach-summit/mach_apic.h index 9fd073286289..a81b05961595 100644 --- a/include/asm-i386/mach-summit/mach_apic.h +++ b/include/asm-i386/mach-summit/mach_apic.h @@ -46,10 +46,12 @@ extern u8 cpu_2_logical_apicid[]; static inline void init_apic_ldr(void) { unsigned long val, id; - int i, count; - u8 lid; + int count = 0; u8 my_id = (u8)hard_smp_processor_id(); u8 my_cluster = (u8)apicid_cluster(my_id); +#ifdef CONFIG_SMP + u8 lid; + int i; /* Create logical APIC IDs by counting CPUs already in cluster. */ for (count = 0, i = NR_CPUS; --i >= 0; ) { @@ -57,6 +59,7 @@ static inline void init_apic_ldr(void) if (lid != BAD_APICID && apicid_cluster(lid) == my_cluster) ++count; } +#endif /* We only have a 4 wide bitmap in cluster mode. If a deranged * BIOS puts 5 CPUs in one APIC cluster, we're hosed. */ BUG_ON(count >= XAPIC_DEST_CPUS_SHIFT); @@ -91,9 +94,13 @@ static inline int apicid_to_node(int logical_apicid) /* Mapping from cpu number to logical apicid */ static inline int cpu_to_logical_apicid(int cpu) { +#ifdef CONFIG_SMP if (cpu >= NR_CPUS) return BAD_APICID; return (int)cpu_2_logical_apicid[cpu]; +#else + return logical_smp_processor_id(); +#endif } static inline int cpu_present_to_apicid(int mps_cpu) |