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x86, EDAC: Provide function to return NodeId of a CPU

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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>
This commit is contained in:
Andreas Herrmann 2009-09-16 11:33:40 +02:00 committed by Borislav Petkov
parent b9183f9b99
commit 6a8126911a
3 changed files with 13 additions and 1 deletions
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2
arch/x86/include/asm/processor.h
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@ -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 */

10
arch/x86/kernel/cpu/amd.c
View file

@ -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)

2
drivers/edac/edac_mce_amd.c
View file

@ -405,7 +405,7 @@ void decode_mce(struct mce *m)
regs.nbsh = (u32)(m->status >> 32);
regs.nbeal = (u32) m->addr;
regs.nbeah = (u32)(m->addr >> 32);
node = per_cpu(cpu_llc_id, m->extcpu);
node = amd_get_nb_id(m->extcpu);
amd_decode_nb_mce(node, &regs, 1);
break;