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From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: x86@kernel.org, devel@linuxdriverproject.org,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Jork Loeser <Jork.Loeser@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	linux-kernel@vger.kernel.org,
	Steven Rostedt <rostedt@goodmis.org>,
	Andy Shevchenko <andy.shevchenko@gmail.com>,
	Ingo Molnar <mingo@redhat.com>, Andy Lutomirski <luto@kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v5 02/10] x86/hyper-v: stash the max number of virtual/logical processor
Date: Wed, 31 May 2017 16:38:43 +0200	[thread overview]
Message-ID: <877f0x147g.fsf@vitty.brq.redhat.com> (raw)
In-Reply-To: <20170530095947.4cc19990@xeon-e3> (Stephen Hemminger's message of "Tue, 30 May 2017 09:59:47 -0700")

Stephen Hemminger <stephen@networkplumber.org> writes:

> On Tue, 30 May 2017 13:34:16 +0200
> Vitaly Kuznetsov <vkuznets@redhat.com> 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

  reply	other threads:[~2017-05-31 14:38 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-30 11:34 [PATCH v5 00/10] Hyper-V: praravirtualized remote TLB flushing and hypercall improvements Vitaly Kuznetsov
2017-05-30 11:34 ` [PATCH v5 01/10] x86/hyper-v: include hyperv/ only when CONFIG_HYPERV is set Vitaly Kuznetsov
2017-05-30 16:24   ` Andy Shevchenko
2017-05-31 14:37     ` Vitaly Kuznetsov
2017-05-31 14:51       ` Andy Shevchenko
2017-05-30 11:34 ` [PATCH v5 02/10] x86/hyper-v: stash the max number of virtual/logical processor Vitaly Kuznetsov
2017-05-30 16:59   ` Stephen Hemminger
2017-05-31 14:38     ` Vitaly Kuznetsov [this message]
2017-05-30 11:34 ` [PATCH v5 03/10] x86/hyper-v: make hv_do_hypercall() inline Vitaly Kuznetsov
2017-05-30 16:29   ` Andy Shevchenko
2017-05-30 11:34 ` [PATCH v5 04/10] x86/hyper-v: fast hypercall implementation Vitaly Kuznetsov
2017-05-30 16:31   ` Andy Shevchenko
2017-05-30 11:34 ` [PATCH v5 05/10] hyper-v: use fast hypercall for HVCALL_SIGNAL_EVENT Vitaly Kuznetsov
2017-05-30 11:34 ` [PATCH v5 06/10] x86/hyper-v: implement rep hypercalls Vitaly Kuznetsov
2017-05-30 16:33   ` Andy Shevchenko
2017-05-30 11:34 ` [PATCH v5 07/10] hyper-v: globalize vp_index Vitaly Kuznetsov
2017-05-30 16:38   ` Andy Shevchenko
2017-05-30 11:34 ` [PATCH v5 08/10] x86/hyper-v: use hypercall for remote TLB flush Vitaly Kuznetsov
2017-05-30 16:52   ` Andy Shevchenko
2017-05-30 19:17     ` Jork Loeser
2017-05-30 19:19       ` Andy Shevchenko
2017-05-30 23:04       ` Stephen Hemminger
2017-05-30 11:34 ` [PATCH v5 09/10] x86/hyper-v: support extended CPU ranges for TLB flush hypercalls Vitaly Kuznetsov
2017-05-30 17:02   ` Andy Shevchenko
2017-05-30 19:13   ` Jork Loeser
2017-05-31 15:06     ` Vitaly Kuznetsov
2017-05-30 11:34 ` [PATCH v5 10/10] tracing/hyper-v: trace hyperv_mmu_flush_tlb_others() Vitaly Kuznetsov
2017-05-30 17:05 ` [PATCH v5 00/10] Hyper-V: praravirtualized remote TLB flushing and hypercall improvements Andy Shevchenko
2017-05-31 14:29   ` Vitaly Kuznetsov

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