Re: [PATCH v5 02/10] x86/hyper-v: stash the max number of virtual/logical processor

From: Vitaly Kuznetsov
Date: Wed May 31 2017 - 10:38:51 EST


Stephen Hemminger <stephen@xxxxxxxxxxxxxxxxxx> writes:

> On Tue, 30 May 2017 13:34:16 +0200
> Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> wrote:
>
>> diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
>> index 04cb8d3..bdcc433 100644
>> --- a/arch/x86/kernel/cpu/mshyperv.c
>> +++ b/arch/x86/kernel/cpu/mshyperv.c
>> @@ -175,9 +175,15 @@ static void __init ms_hyperv_init_platform(void)
>> ms_hyperv.misc_features = cpuid_edx(HYPERV_CPUID_FEATURES);
>> ms_hyperv.hints = cpuid_eax(HYPERV_CPUID_ENLIGHTMENT_INFO);
>>
>> - pr_info("HyperV: features 0x%x, hints 0x%x\n",
>> + pr_info("Hyper-V: features 0x%x, hints 0x%x\n",
>> ms_hyperv.features, ms_hyperv.hints);
>
>>
>> + ms_hyperv.max_vp_index = cpuid_eax(HVCPUID_IMPLEMENTATION_LIMITS);
>> + ms_hyperv.max_lp_index = cpuid_ebx(HVCPUID_IMPLEMENTATION_LIMITS);
>> +
>> + pr_info("Hyper-V: max %u virtual processors, %u logical processors\n",
>> + ms_hyperv.max_vp_index, ms_hyperv.max_lp_index);
>> +
>
> I understand as developer why you may need to log stuff.
> Do we really need more logging here? Why not pr_debug()?

Agreed, lets do pr_debug() instead.

--
Vitaly