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From: Paolo Bonzini <pbonzini@redhat.com>
To: Jing Zhang <jingzhangos@google.com>
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>,
	Greg KH <gregkh@linuxfoundation.org>
Subject: Re: [PATCH v12 2/7] KVM: stats: Add fd-based API to read binary stats data
Date: Tue, 22 Jun 2021 01:35:50 +0200	[thread overview]
Message-ID: <c639c557-0e16-6938-2da5-46400ee2dd14@redhat.com> (raw)
In-Reply-To: <CAAdAUti1MreOnAXtA+jBEaq+AixmqvBEByi9G4EgDpfu63spHA@mail.gmail.com>

On 22/06/21 00:58, Jing Zhang wrote:
>> Pass it as an argument?
> The num_desc can only be initialized in the same file that defines the
> descriptor array.
> Looks like we have to have a global variable to save that. The
> solution would be similar
> to have a statically defined header for each arch.
> So, keep the header structure for each arch?

Oh, sorry.  I missed that there's only one call to kvm_stats_read and 
it's in common code.  The remaining comments are small enough that I can 
apply them myself.  Thanks!

Paolo


WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Jing Zhang <jingzhangos@google.com>
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>,
	Greg KH <gregkh@linuxfoundation.org>,
	Vitaly Kuznetsov <vkuznets@redhat.com>
Subject: Re: [PATCH v12 2/7] KVM: stats: Add fd-based API to read binary stats data
Date: Tue, 22 Jun 2021 01:35:50 +0200	[thread overview]
Message-ID: <c639c557-0e16-6938-2da5-46400ee2dd14@redhat.com> (raw)
In-Reply-To: <CAAdAUti1MreOnAXtA+jBEaq+AixmqvBEByi9G4EgDpfu63spHA@mail.gmail.com>

On 22/06/21 00:58, Jing Zhang wrote:
>> Pass it as an argument?
> The num_desc can only be initialized in the same file that defines the
> descriptor array.
> Looks like we have to have a global variable to save that. The
> solution would be similar
> to have a statically defined header for each arch.
> So, keep the header structure for each arch?

Oh, sorry.  I missed that there's only one call to kvm_stats_read and 
it's in common code.  The remaining comments are small enough that I can 
apply them myself.  Thanks!

Paolo

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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>
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>,
	Greg KH <gregkh@linuxfoundation.org>
Subject: Re: [PATCH v12 2/7] KVM: stats: Add fd-based API to read binary stats data
Date: Mon, 21 Jun 2021 23:35:50 +0000	[thread overview]
Message-ID: <c639c557-0e16-6938-2da5-46400ee2dd14@redhat.com> (raw)
In-Reply-To: <CAAdAUti1MreOnAXtA+jBEaq+AixmqvBEByi9G4EgDpfu63spHA@mail.gmail.com>

On 22/06/21 00:58, Jing Zhang wrote:
>> Pass it as an argument?
> The num_desc can only be initialized in the same file that defines the
> descriptor array.
> Looks like we have to have a global variable to save that. The
> solution would be similar
> to have a statically defined header for each arch.
> So, keep the header structure for each arch?

Oh, sorry.  I missed that there's only one call to kvm_stats_read and 
it's in common code.  The remaining comments are small enough that I can 
apply them myself.  Thanks!

Paolo

  reply	other threads:[~2021-06-21 23:35 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-18 22:27 [PATCH v12 0/7] KVM statistics data fd-based binary interface Jing Zhang
2021-06-18 22:27 ` Jing Zhang
2021-06-18 22:27 ` [PATCH v12 1/7] KVM: stats: Separate generic stats from architecture specific ones Jing Zhang
2021-06-18 22:27   ` Jing Zhang
2021-06-18 22:27   ` Jing Zhang
2021-06-18 22:27 ` [PATCH v12 2/7] KVM: stats: Add fd-based API to read binary stats data Jing Zhang
2021-06-18 22:27   ` Jing Zhang
2021-06-21 16:54   ` Paolo Bonzini
2021-06-21 16:54     ` Paolo Bonzini
2021-06-21 16:54     ` Paolo Bonzini
2021-06-21 17:46     ` Jing Zhang
2021-06-21 17:46       ` Jing Zhang
2021-06-21 17:46       ` Jing Zhang
2021-06-21 22:45       ` Paolo Bonzini
2021-06-21 22:45         ` Paolo Bonzini
2021-06-21 22:45         ` Paolo Bonzini
2021-06-21 22:58         ` Jing Zhang
2021-06-21 22:58           ` Jing Zhang
2021-06-21 22:58           ` Jing Zhang
2021-06-21 23:35           ` Paolo Bonzini [this message]
2021-06-21 23:35             ` Paolo Bonzini
2021-06-21 23:35             ` Paolo Bonzini
2021-06-21 23:38             ` Jing Zhang
2021-06-21 23:38               ` Jing Zhang
2021-06-21 23:38               ` Jing Zhang
2021-06-18 22:27 ` [PATCH v12 3/7] KVM: stats: Support binary stats retrieval for a VM Jing Zhang
2021-06-18 22:27   ` Jing Zhang
2021-06-18 22:27   ` Jing Zhang
2021-06-18 22:27 ` [PATCH v12 4/7] KVM: stats: Support binary stats retrieval for a VCPU Jing Zhang
2021-06-18 22:27   ` Jing Zhang
2021-06-18 22:27   ` Jing Zhang
2021-06-21 16:46   ` Paolo Bonzini
2021-06-21 16:46     ` Paolo Bonzini
2021-06-21 16:46     ` Paolo Bonzini
2021-06-21 17:42     ` Jing Zhang
2021-06-21 17:42       ` Jing Zhang
2021-06-21 17:42       ` Jing Zhang
2021-06-18 22:27 ` [PATCH v12 5/7] KVM: stats: Add documentation for binary statistics interface Jing Zhang
2021-06-18 22:27   ` Jing Zhang
2021-06-18 22:27   ` Jing Zhang
2021-06-18 22:27 ` [PATCH v12 6/7] KVM: selftests: Add selftest for KVM statistics data binary interface Jing Zhang
2021-06-18 22:27   ` Jing Zhang
2021-06-18 22:27   ` Jing Zhang
2021-06-18 22:27 ` [PATCH v12 7/7] KVM: stats: Remove code duplication for binary and debugfs stats Jing Zhang
2021-06-18 22:27   ` Jing Zhang
2021-06-18 22:27   ` Jing Zhang

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