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From: Paolo Bonzini <pbonzini@redhat.com>
To: Jing Zhang <jingzhangos@google.com>,
	Greg KH <gregkh@linuxfoundation.org>
Cc: KVM <kvm@vger.kernel.org>, KVMARM <kvmarm@lists.cs.columbia.edu>,
	LinuxMIPS <linux-mips@vger.kernel.org>,
	KVMPPC <kvm-ppc@vger.kernel.org>,
	LinuxS390 <linux-s390@vger.kernel.org>,
	Linuxkselftest <linux-kselftest@vger.kernel.org>,
	Marc Zyngier <maz@kernel.org>, James Morse <james.morse@arm.com>,
	Julien Thierry <julien.thierry.kdev@gmail.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Will Deacon <will@kernel.org>,
	Huacai Chen <chenhuacai@kernel.org>,
	Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Paul Mackerras <paulus@ozlabs.org>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Janosch Frank <frankja@linux.ibm.com>,
	David Hildenbrand <david@redhat.com>,
	Cornelia Huck <cohuck@redhat.com>,
	Claudio Imbrenda <imbrenda@linux.ibm.com>,
	Sean Christopherson <seanjc@google.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Jim Mattson <jmattson@google.com>,
	Peter Shier <pshier@google.com>, Oliver Upton <oupton@google.com>,
	David Rientjes <rientjes@google.com>,
	Emanuele Giuseppe Esposito <eesposit@redhat.com>,
	David Matlack <dmatlack@google.com>,
	Ricardo Koller <ricarkol@google.com>,
	Krish Sadhukhan <krish.sadhukhan@oracle.com>,
	Fuad Tabba <tabba@google.com>
Subject: Re: [PATCH v10 2/5] KVM: stats: Add fd-based API to read binary stats data
Date: Thu, 17 Jun 2021 17:29:12 +0200	[thread overview]
Message-ID: <5ae75b1b-4cba-d06f-625b-35b42f11ac03@redhat.com> (raw)
In-Reply-To: <CAAdAUtiiQ0304vWR3Zm2XUKz374W4LY3=qdrFZCsQ27VkqMn9A@mail.gmail.com>

On 17/06/21 16:56, Jing Zhang wrote:
> Actually, it is really not easy to separate this change into two patches even by
> following Paolo's suggestion. And it would be a surprise to userspace to see
> only VM stats, no VCPU stats.

That does not matter.  Having two or three patches is useful because it 
makes review easier; they will never appear separately in a release.

Paolo


WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Jing Zhang <jingzhangos@google.com>,
	Greg KH <gregkh@linuxfoundation.org>
Cc: KVM <kvm@vger.kernel.org>, David Hildenbrand <david@redhat.com>,
	Paul Mackerras <paulus@ozlabs.org>,
	Linuxkselftest <linux-kselftest@vger.kernel.org>,
	Claudio Imbrenda <imbrenda@linux.ibm.com>,
	Will Deacon <will@kernel.org>,
	KVMARM <kvmarm@lists.cs.columbia.edu>,
	Emanuele Giuseppe Esposito <eesposit@redhat.com>,
	LinuxS390 <linux-s390@vger.kernel.org>,
	Janosch Frank <frankja@linux.ibm.com>,
	Marc Zyngier <maz@kernel.org>,
	Huacai Chen <chenhuacai@kernel.org>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>,
	David Rientjes <rientjes@google.com>,
	KVMPPC <kvm-ppc@vger.kernel.org>,
	Krish Sadhukhan <krish.sadhukhan@oracle.com>,
	David Matlack <dmatlack@google.com>,
	Jim Mattson <jmattson@google.com>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Sean Christopherson <seanjc@google.com>,
	Cornelia Huck <cohuck@redhat.com>,
	Peter Shier <pshier@google.com>,
	LinuxMIPS <linux-mips@vger.kernel.org>,
	Vitaly Kuznetsov <vkuznets@redhat.com>
Subject: Re: [PATCH v10 2/5] KVM: stats: Add fd-based API to read binary stats data
Date: Thu, 17 Jun 2021 17:29:12 +0200	[thread overview]
Message-ID: <5ae75b1b-4cba-d06f-625b-35b42f11ac03@redhat.com> (raw)
In-Reply-To: <CAAdAUtiiQ0304vWR3Zm2XUKz374W4LY3=qdrFZCsQ27VkqMn9A@mail.gmail.com>

On 17/06/21 16:56, Jing Zhang wrote:
> Actually, it is really not easy to separate this change into two patches even by
> following Paolo's suggestion. And it would be a surprise to userspace to see
> only VM stats, no VCPU stats.

That does not matter.  Having two or three patches is useful because it 
makes review easier; they will never appear separately in a release.

Paolo

_______________________________________________
kvmarm mailing list
kvmarm@lists.cs.columbia.edu
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm

WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Jing Zhang <jingzhangos@google.com>,
	Greg KH <gregkh@linuxfoundation.org>
Cc: KVM <kvm@vger.kernel.org>, KVMARM <kvmarm@lists.cs.columbia.edu>,
	LinuxMIPS <linux-mips@vger.kernel.org>,
	KVMPPC <kvm-ppc@vger.kernel.org>,
	LinuxS390 <linux-s390@vger.kernel.org>,
	Linuxkselftest <linux-kselftest@vger.kernel.org>,
	Marc Zyngier <maz@kernel.org>, James Morse <james.morse@arm.com>,
	Julien Thierry <julien.thierry.kdev@gmail.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Will Deacon <will@kernel.org>,
	Huacai Chen <chenhuacai@kernel.org>,
	Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Paul Mackerras <paulus@ozlabs.org>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Janosch Frank <frankja@linux.ibm.com>,
	David Hildenbrand <david@redhat.com>,
	Cornelia Huck <cohuck@redhat.com>,
	Claudio Imbrenda <imbrenda@linux.ibm.com>,
	Sean Christopherson <seanjc@google.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Jim Mattson <jmattson@google.com>,
	Peter Shier <pshier@google.com>, Oliver Upton <oupton@google.com>,
	David Rientjes <rientjes@google.com>,
	Emanuele Giuseppe Esposito <eesposit@redhat.com>,
	David Matlack <dmatlack@google.com>,
	Ricardo Koller <ricarkol@google.com>,
	Krish Sadhukhan <krish.sadhukhan@oracle.com>,
	Fuad Tabba <tabba@google.com>
Subject: Re: [PATCH v10 2/5] KVM: stats: Add fd-based API to read binary stats data
Date: Thu, 17 Jun 2021 15:29:12 +0000	[thread overview]
Message-ID: <5ae75b1b-4cba-d06f-625b-35b42f11ac03@redhat.com> (raw)
In-Reply-To: <CAAdAUtiiQ0304vWR3Zm2XUKz374W4LY3=qdrFZCsQ27VkqMn9A@mail.gmail.com>

On 17/06/21 16:56, Jing Zhang wrote:
> Actually, it is really not easy to separate this change into two patches even by
> following Paolo's suggestion. And it would be a surprise to userspace to see
> only VM stats, no VCPU stats.

That does not matter.  Having two or three patches is useful because it 
makes review easier; they will never appear separately in a release.

Paolo

  reply	other threads:[~2021-06-17 15:29 UTC|newest]

Thread overview: 86+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-17  4:41 [PATCH v10 0/5] KVM statistics data fd-based binary interface Jing Zhang
2021-06-17  4:41 ` Jing Zhang
2021-06-17  4:41 ` [PATCH v10 1/5] KVM: stats: Separate generic stats from architecture specific ones Jing Zhang
2021-06-17  4:41   ` Jing Zhang
2021-06-17  4:41   ` Jing Zhang
2021-06-17  4:41 ` [PATCH v10 2/5] KVM: stats: Add fd-based API to read binary stats data Jing Zhang
2021-06-17  4:41   ` Jing Zhang
2021-06-17  4:41   ` Jing Zhang
2021-06-17  7:03   ` Greg KH
2021-06-17  7:03     ` Greg KH
2021-06-17  7:03     ` Greg KH
2021-06-17 11:23     ` Paolo Bonzini
2021-06-17 11:23       ` Paolo Bonzini
2021-06-17 11:23       ` Paolo Bonzini
2021-06-17 14:48     ` Jing Zhang
2021-06-17 14:48       ` Jing Zhang
2021-06-17 14:48       ` Jing Zhang
2021-06-17  7:24   ` Greg KH
2021-06-17  7:24     ` Greg KH
2021-06-17  7:24     ` Greg KH
2021-06-17 11:27     ` Paolo Bonzini
2021-06-17 11:27       ` Paolo Bonzini
2021-06-17 11:27       ` Paolo Bonzini
2021-06-17 14:56     ` Jing Zhang
2021-06-17 14:56       ` Jing Zhang
2021-06-17 14:56       ` Jing Zhang
2021-06-17 15:29       ` Paolo Bonzini [this message]
2021-06-17 15:29         ` Paolo Bonzini
2021-06-17 15:29         ` Paolo Bonzini
2021-06-17 15:42         ` Jing Zhang
2021-06-17 15:42           ` Jing Zhang
2021-06-17 15:42           ` Jing Zhang
2021-06-17  4:41 ` [PATCH v10 3/5] KVM: stats: Add documentation for binary statistics interface Jing Zhang
2021-06-17  4:41   ` Jing Zhang
2021-06-17  4:41   ` Jing Zhang
2021-06-17  5:52   ` Greg KH
2021-06-17  5:52     ` Greg KH
2021-06-17  5:52     ` Greg KH
2021-06-17 15:09     ` Jing Zhang
2021-06-17 15:09       ` Jing Zhang
2021-06-17 15:09       ` Jing Zhang
2021-06-17  5:56   ` Greg KH
2021-06-17  5:56     ` Greg KH
2021-06-17  5:56     ` Greg KH
2021-06-17 11:29     ` Paolo Bonzini
2021-06-17 11:29       ` Paolo Bonzini
2021-06-17 11:29       ` Paolo Bonzini
2021-06-17 11:42       ` Greg KH
2021-06-17 11:42         ` Greg KH
2021-06-17 11:42         ` Greg KH
2021-06-17 11:46         ` Paolo Bonzini
2021-06-17 11:46           ` Paolo Bonzini
2021-06-17 11:46           ` Paolo Bonzini
2021-06-17 15:45       ` Jing Zhang
2021-06-17 15:45         ` Jing Zhang
2021-06-17 15:45         ` Jing Zhang
2021-06-17 15:20     ` Jing Zhang
2021-06-17 15:20       ` Jing Zhang
2021-06-17 15:20       ` Jing Zhang
2021-06-17 22:15       ` Jing Zhang
2021-06-17 22:15         ` Jing Zhang
2021-06-17 22:15         ` Jing Zhang
2021-06-17  6:05   ` Greg KH
2021-06-17  6:05     ` Greg KH
2021-06-17  6:05     ` Greg KH
2021-06-17 15:41     ` Jing Zhang
2021-06-17 15:41       ` Jing Zhang
2021-06-17 15:41       ` Jing Zhang
2021-06-17  6:07   ` Greg KH
2021-06-17  6:07     ` Greg KH
2021-06-17  6:07     ` Greg KH
2021-06-17 11:19     ` Paolo Bonzini
2021-06-17 11:19       ` Paolo Bonzini
2021-06-17 11:19       ` Paolo Bonzini
2021-06-17 11:34       ` Greg KH
2021-06-17 11:34         ` Greg KH
2021-06-17 11:34         ` Greg KH
2021-06-17 15:51         ` Jing Zhang
2021-06-17 15:51           ` Jing Zhang
2021-06-17 15:51           ` Jing Zhang
2021-06-17  4:41 ` [PATCH v10 4/5] KVM: selftests: Add selftest for KVM statistics data binary interface Jing Zhang
2021-06-17  4:41   ` Jing Zhang
2021-06-17  4:41   ` Jing Zhang
2021-06-17  4:41 ` [PATCH v10 5/5] KVM: stats: Remove code duplication for binary and debugfs stats Jing Zhang
2021-06-17  4:41   ` Jing Zhang
2021-06-17  4:41   ` Jing Zhang

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