diff options
| author | Andreas Herrmann <andreas.herrmann3@amd.com> | 2009-09-16 11:33:40 +0200 |
|---|---|---|
| committer | Borislav Petkov <borislav.petkov@amd.com> | 2009-09-16 11:33:40 +0200 |
| commit | 6a8126911a5ab167783fce18ae9cc70ec9b84fe2 (patch) | |
| tree | 9ebf91277ff7d99861ee87379f5fc8252f24f33a /arch | |
| parent | b9183f9b99a9bd3349aefbd51d22f7e1bdc4a087 (diff) | |
x86, EDAC: Provide function to return NodeId of a CPU
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 10 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index e08ea043e08..42a3f936dad 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -1020,4 +1020,6 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip, extern int get_tsc_mode(unsigned long adr); extern int set_tsc_mode(unsigned int val); +extern int amd_get_nb_id(int cpu); + #endif /* _ASM_X86_PROCESSOR_H */ diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 22a47c82f3c..f32fa71ccf9 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -333,6 +333,16 @@ static void __cpuinit amd_detect_cmp(struct cpuinfo_x86 *c) #endif } +int amd_get_nb_id(int cpu) +{ + int id = 0; +#ifdef CONFIG_SMP + id = per_cpu(cpu_llc_id, cpu); +#endif + return id; +} +EXPORT_SYMBOL_GPL(amd_get_nb_id); + static void __cpuinit srat_detect_node(struct cpuinfo_x86 *c) { #if defined(CONFIG_NUMA) && defined(CONFIG_X86_64) |