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From: Paolo Bonzini <pbonzini@redhat.com>
To: Borislav Petkov <bp@alien8.de>,
	Sean Christopherson <sean.j.christopherson@intel.com>
Cc: "Thomas Gleixner" <tglx@linutronix.de>,
	"Ingo Molnar" <mingo@redhat.com>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"Arnaldo Carvalho de Melo" <acme@kernel.org>,
	"Mark Rutland" <mark.rutland@arm.com>,
	"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
	"Jiri Olsa" <jolsa@redhat.com>,
	"Namhyung Kim" <namhyung@kernel.org>,
	"Radim Krčmář" <rkrcmar@redhat.com>,
	"Vitaly Kuznetsov" <vkuznets@redhat.com>,
	"Wanpeng Li" <wanpengli@tencent.com>,
	"Jim Mattson" <jmattson@google.com>,
	"Joerg Roedel" <joro@8bytes.org>,
	"Tony Luck" <tony.luck@intel.com>,
	"Tony W Wang-oc" <TonyWWang-oc@zhaoxin.com>,
	"Len Brown" <lenb@kernel.org>, "Shuah Khan" <shuah@kernel.org>,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	linux-edac@vger.kernel.org, linux-pm@vger.kernel.org,
	linux-kselftest@vger.kernel.org,
	"Jarkko Sakkinen" <jarkko.sakkinen@linux.intel.com>
Subject: Re: [PATCH v4 11/19] x86/cpu: Print VMX flags in /proc/cpuinfo using VMX_FEATURES_*
Date: Thu, 12 Dec 2019 15:13:45 +0100
Message-ID: <d0b21e7e-69f5-09f9-3e1c-14d49fa42b9f@redhat.com> (raw)
In-Reply-To: <20191212122646.GE4991@zn.tnic>

On 12/12/19 13:26, Borislav Petkov wrote:
> 
> vmx flags       : virtual_nmis preemption_timer invvpid ept_x_only ept_ad ept_1gb flexpriority tsc_offsetting virtual_tpr mtf virt_apic_accesses ept vpid unrestricted_guest ple shadow_vmcs pml mode_based_ept_exec
> 
> virtual_nmis		-> vnmis

Even vnmi

> preemption_timer	-> preempt_tmr

I would prefer the full one here.

> flexpriority		-> flexprio

Full name?

> tsc_offsetting		-> tsc_ofs

tsc_offset?

> virtual_tpr		-> vtpr

Do we need this?  It's usually included together with flexpriority.

> virt_apic_accesses	-> vapic

apicv

> unrestricted_guest	-> unres_guest

Full? Or just unrestricted

In general I would stick to the same names as kvm_intel module
parameters (sans "enable_" if applicable) and not even bother publishing
the others.  Some features are either not used by KVM or available on
all VMX processors.

Paolo

> and so on. Those are just my examples - I betcha the SDM is more
> creative here with abbreviations. But you guys are going to grep for
> them. If it were me, I'd save on typing. :-)


  reply index

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-28  1:39 [PATCH v4 00/19] x86/cpu: Clean up handling of VMX features Sean Christopherson
2019-11-28  1:39 ` [PATCH v4 01/19] x86/msr-index: Clean up bit defines for IA32_FEATURE_CONTROL MSR Sean Christopherson
2019-11-28 21:07   ` kbuild test robot
2019-11-30 20:52   ` kbuild test robot
2019-12-02 19:06     ` Sean Christopherson
2019-12-12  9:25       ` Borislav Petkov
2019-12-12 17:48         ` Sean Christopherson
2019-12-12 18:19           ` Borislav Petkov
2019-11-28  1:39 ` [PATCH v4 02/19] selftests: kvm: Replace manual MSR defs with common msr-index.h Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 03/19] tools arch x86: Sync msr-index.h from kernel sources Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 04/19] x86/intel: Initialize IA32_FEAT_CTL MSR at boot Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 05/19] x86/mce: WARN once if IA32_FEAT_CTL MSR is left unlocked Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 06/19] x86/centaur: Use common IA32_FEAT_CTL MSR initialization Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 07/19] x86/zhaoxin: " Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 08/19] x86/cpu: Clear VMX feature flag if VMX is not fully enabled Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 09/19] x86/vmx: Introduce VMX_FEATURES_* Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 10/19] x86/cpu: Detect VMX features on Intel, Centaur and Zhaoxin CPUs Sean Christopherson
2019-12-12 11:38   ` Borislav Petkov
2019-12-12 17:55     ` Sean Christopherson
2019-12-12 18:24       ` Borislav Petkov
2019-11-28  1:40 ` [PATCH v4 11/19] x86/cpu: Print VMX flags in /proc/cpuinfo using VMX_FEATURES_* Sean Christopherson
2019-12-12 12:26   ` Borislav Petkov
2019-12-12 14:13     ` Paolo Bonzini [this message]
2019-12-12 15:52       ` Liran Alon
2019-12-12 15:57         ` Paolo Bonzini
2019-12-12 17:43           ` Sean Christopherson
2019-12-12 17:47             ` Paolo Bonzini
2019-12-12 17:52               ` Liran Alon
2019-12-12 17:57                 ` Jim Mattson
2019-12-12 18:04                   ` Liran Alon
2019-12-12 18:27                     ` Sean Christopherson
2019-12-12 18:32                 ` Borislav Petkov
2019-12-12 17:47             ` Liran Alon
2019-12-12 18:18       ` Sean Christopherson
2019-12-12 18:23         ` Paolo Bonzini
2019-12-21  3:48           ` Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 12/19] x86/cpu: Set synthetic VMX cpufeatures during init_ia32_feat_ctl() Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 13/19] x86/cpufeatures: Add flag to track whether MSR IA32_FEAT_CTL is configured Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 14/19] KVM: VMX: Drop initialization of IA32_FEAT_CTL MSR Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 15/19] KVM: VMX: Use VMX feature flag to query BIOS enabling Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 16/19] KVM: VMX: Check for full VMX support when verifying CPU compatibility Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 17/19] KVM: VMX: Use VMX_FEATURE_* flags to define VMCS control bits Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 18/19] perf/x86: Provide stubs of KVM helpers for non-Intel CPUs Sean Christopherson
2019-11-28  1:40 ` [PATCH v4 19/19] KVM: VMX: Allow KVM_INTEL when building for Centaur and/or Zhaoxin CPUs Sean Christopherson
2019-12-12 14:07 ` [PATCH v4 00/19] x86/cpu: Clean up handling of VMX features Borislav Petkov
2019-12-21  3:44   ` Sean Christopherson

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