diff options
Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 61a7074..f35baa7 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -548,6 +548,10 @@ void __init early_cpu_init(void) * of early VIA chips and (more importantly) broken virtualizers that * are not easy to detect. Hence, probe for it based on first * principles. + * + * Note: no 64-bit chip is known to lack these, but put the code here + * for consistency with 32 bits, and to make it utterly trivial to + * diagnose the problem should it ever surface. */ static void __cpuinit detect_nopl(struct cpuinfo_x86 *c) { @@ -586,11 +590,16 @@ static void __cpuinit generic_identify(struct cpuinfo_x86 *c) if (c->cpuid_level >= 0x00000001) { c->initial_apicid = (cpuid_ebx(1) >> 24) & 0xFF; -#ifdef CONFIG_X86_HT +#ifdef CONFIG_X86_32 +# ifdef CONFIG_X86_HT c->apicid = phys_pkg_id(c->initial_apicid, 0); - c->phys_proc_id = c->initial_apicid; -#else +# else c->apicid = c->initial_apicid; +# endif +#endif + +#ifdef CONFIG_X86_HT + c->phys_proc_id = c->initial_apicid; #endif } |