From: Steven Price <steven.price@arm.com>
To: Zenghui Yu <yuzenghui@huawei.com>
Cc: kvm@vger.kernel.org, linux-doc@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Russell King <linux@armlinux.org.uk>,
linux-kernel@vger.kernel.org, Marc Zyngier <maz@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Will Deacon <will@kernel.org>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/9] KVM: arm64: Document PV-time interface
Date: Mon, 5 Aug 2019 14:06:06 +0100 [thread overview]
Message-ID: <fd8b0c8d-79d1-1501-cee0-d3f6bc1c3487@arm.com> (raw)
In-Reply-To: <3bdd764a-b6f5-d17e-a703-d8eb13838efc@huawei.com>
On 05/08/2019 04:23, Zenghui Yu wrote:
> Hi Steven,
>
> On 2019/8/2 22:50, Steven Price wrote:
>> Introduce a paravirtualization interface for KVM/arm64 based on the
>> "Arm Paravirtualized Time for Arm-Base Systems" specification DEN 0057A.
>>
>> This only adds the details about "Stolen Time" as the details of "Live
>> Physical Time" have not been fully agreed.
>>
>> User space can specify a reserved area of memory for the guest and
>> inform KVM to populate the memory with information on time that the host
>> kernel has stolen from the guest.
>>
>> A hypercall interface is provided for the guest to interrogate the
>> hypervisor's support for this interface and the location of the shared
>> memory structures.
>>
>> Signed-off-by: Steven Price <steven.price@arm.com>
>> ---
>> Documentation/virtual/kvm/arm/pvtime.txt | 107 +++++++++++++++++++++++
>> 1 file changed, 107 insertions(+)
>> create mode 100644 Documentation/virtual/kvm/arm/pvtime.txt
> ^^^^^^^
> This directory has been renamed recently, see:
>
> https://patchwork.ozlabs.org/patch/1136104/
Thanks for pointing that out - I'll move it in the next version.
Steve
WARNING: multiple messages have this Message-ID (diff)
From: Steven Price <steven.price@arm.com>
To: Zenghui Yu <yuzenghui@huawei.com>
Cc: kvm@vger.kernel.org, linux-doc@vger.kernel.org,
Marc Zyngier <maz@kernel.org>,
linux-kernel@vger.kernel.org,
Russell King <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Will Deacon <will@kernel.org>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/9] KVM: arm64: Document PV-time interface
Date: Mon, 5 Aug 2019 14:06:06 +0100 [thread overview]
Message-ID: <fd8b0c8d-79d1-1501-cee0-d3f6bc1c3487@arm.com> (raw)
In-Reply-To: <3bdd764a-b6f5-d17e-a703-d8eb13838efc@huawei.com>
On 05/08/2019 04:23, Zenghui Yu wrote:
> Hi Steven,
>
> On 2019/8/2 22:50, Steven Price wrote:
>> Introduce a paravirtualization interface for KVM/arm64 based on the
>> "Arm Paravirtualized Time for Arm-Base Systems" specification DEN 0057A.
>>
>> This only adds the details about "Stolen Time" as the details of "Live
>> Physical Time" have not been fully agreed.
>>
>> User space can specify a reserved area of memory for the guest and
>> inform KVM to populate the memory with information on time that the host
>> kernel has stolen from the guest.
>>
>> A hypercall interface is provided for the guest to interrogate the
>> hypervisor's support for this interface and the location of the shared
>> memory structures.
>>
>> Signed-off-by: Steven Price <steven.price@arm.com>
>> ---
>> Documentation/virtual/kvm/arm/pvtime.txt | 107 +++++++++++++++++++++++
>> 1 file changed, 107 insertions(+)
>> create mode 100644 Documentation/virtual/kvm/arm/pvtime.txt
> ^^^^^^^
> This directory has been renamed recently, see:
>
> https://patchwork.ozlabs.org/patch/1136104/
Thanks for pointing that out - I'll move it in the next version.
Steve
_______________________________________________
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: Steven Price <steven.price@arm.com>
To: Zenghui Yu <yuzenghui@huawei.com>
Cc: kvm@vger.kernel.org, linux-doc@vger.kernel.org,
Marc Zyngier <maz@kernel.org>,
linux-kernel@vger.kernel.org,
Russell King <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Will Deacon <will@kernel.org>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/9] KVM: arm64: Document PV-time interface
Date: Mon, 5 Aug 2019 14:06:06 +0100 [thread overview]
Message-ID: <fd8b0c8d-79d1-1501-cee0-d3f6bc1c3487@arm.com> (raw)
In-Reply-To: <3bdd764a-b6f5-d17e-a703-d8eb13838efc@huawei.com>
On 05/08/2019 04:23, Zenghui Yu wrote:
> Hi Steven,
>
> On 2019/8/2 22:50, Steven Price wrote:
>> Introduce a paravirtualization interface for KVM/arm64 based on the
>> "Arm Paravirtualized Time for Arm-Base Systems" specification DEN 0057A.
>>
>> This only adds the details about "Stolen Time" as the details of "Live
>> Physical Time" have not been fully agreed.
>>
>> User space can specify a reserved area of memory for the guest and
>> inform KVM to populate the memory with information on time that the host
>> kernel has stolen from the guest.
>>
>> A hypercall interface is provided for the guest to interrogate the
>> hypervisor's support for this interface and the location of the shared
>> memory structures.
>>
>> Signed-off-by: Steven Price <steven.price@arm.com>
>> ---
>> Documentation/virtual/kvm/arm/pvtime.txt | 107 +++++++++++++++++++++++
>> 1 file changed, 107 insertions(+)
>> create mode 100644 Documentation/virtual/kvm/arm/pvtime.txt
> ^^^^^^^
> This directory has been renamed recently, see:
>
> https://patchwork.ozlabs.org/patch/1136104/
Thanks for pointing that out - I'll move it in the next version.
Steve
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-08-05 13:16 UTC|newest]
Thread overview: 141+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-02 14:50 [PATCH 0/9] arm64: Stolen time support Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` [PATCH 1/9] KVM: arm64: Document PV-time interface Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-03 11:13 ` Marc Zyngier
2019-08-03 11:13 ` Marc Zyngier
2019-08-03 11:13 ` Marc Zyngier
2019-08-05 13:06 ` Steven Price
2019-08-05 13:06 ` Steven Price
2019-08-05 13:06 ` Steven Price
2019-08-05 3:23 ` Zenghui Yu
2019-08-05 3:23 ` Zenghui Yu
2019-08-05 3:23 ` Zenghui Yu
2019-08-05 13:06 ` Steven Price [this message]
2019-08-05 13:06 ` Steven Price
2019-08-05 13:06 ` Steven Price
2019-08-05 16:40 ` Christophe de Dinechin
2019-08-05 16:40 ` Christophe de Dinechin
2019-08-05 16:40 ` Christophe de Dinechin
2019-08-07 13:21 ` Steven Price
2019-08-07 13:21 ` Steven Price
2019-08-07 13:21 ` Steven Price
2019-08-07 14:28 ` Christophe de Dinechin
2019-08-07 15:26 ` Steven Price
2019-08-07 15:26 ` Steven Price
2019-08-07 15:26 ` Steven Price
2019-08-02 14:50 ` [PATCH 2/9] KVM: arm/arm64: Factor out hypercall handling from PSCI code Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` [PATCH 3/9] KVM: arm64: Implement PV_FEATURES call Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-03 11:21 ` Marc Zyngier
2019-08-03 11:21 ` Marc Zyngier
2019-08-03 11:21 ` Marc Zyngier
2019-08-05 13:14 ` Steven Price
2019-08-05 13:14 ` Steven Price
2019-08-05 13:14 ` Steven Price
2019-08-02 14:50 ` [PATCH 4/9] KVM: arm64: Support stolen time reporting via shared structure Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-03 11:55 ` Marc Zyngier
2019-08-03 11:55 ` Marc Zyngier
2019-08-03 11:55 ` Marc Zyngier
2019-08-05 14:09 ` Steven Price
2019-08-05 14:09 ` Steven Price
2019-08-05 14:09 ` Steven Price
2019-08-03 17:58 ` Marc Zyngier
2019-08-03 17:58 ` Marc Zyngier
2019-08-03 17:58 ` Marc Zyngier
2019-08-03 18:13 ` Marc Zyngier
2019-08-03 18:13 ` Marc Zyngier
2019-08-03 18:13 ` Marc Zyngier
2019-08-05 14:18 ` Steven Price
2019-08-05 14:18 ` Steven Price
2019-08-05 14:18 ` Steven Price
2019-08-02 14:50 ` [PATCH 5/9] KVM: Allow kvm_device_ops to be const Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` [PATCH 6/9] KVM: arm64: Provide a PV_TIME device to user space Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-03 12:51 ` Marc Zyngier
2019-08-03 12:51 ` Marc Zyngier
2019-08-03 12:51 ` Marc Zyngier
2019-08-03 17:34 ` Marc Zyngier
2019-08-03 17:34 ` Marc Zyngier
2019-08-03 17:34 ` Marc Zyngier
2019-08-07 13:39 ` Steven Price
2019-08-07 13:39 ` Steven Price
2019-08-07 13:39 ` Steven Price
2019-08-07 13:51 ` Marc Zyngier
2019-08-07 13:51 ` Marc Zyngier
2019-08-07 13:51 ` Marc Zyngier
2019-08-05 16:10 ` Steven Price
2019-08-05 16:10 ` Steven Price
2019-08-05 16:10 ` Steven Price
2019-08-05 16:28 ` Marc Zyngier
2019-08-05 16:28 ` Marc Zyngier
2019-08-05 16:28 ` Marc Zyngier
2019-08-02 14:50 ` [PATCH 7/9] arm/arm64: Provide a wrapper for SMCCC 1.1 calls Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-05 10:03 ` Will Deacon
2019-08-05 10:03 ` Will Deacon
2019-08-05 10:03 ` Will Deacon
2019-08-02 14:50 ` [PATCH 8/9] arm/arm64: Make use of the SMCCC 1.1 wrapper Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` [PATCH 9/9] arm64: Retrieve stolen time as paravirtualized guest Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-02 14:50 ` Steven Price
2019-08-04 9:53 ` Marc Zyngier
2019-08-04 9:53 ` Marc Zyngier
2019-08-04 9:53 ` Marc Zyngier
2019-08-08 15:29 ` Steven Price
2019-08-08 15:29 ` Steven Price
2019-08-08 15:29 ` Steven Price
2019-08-08 15:49 ` Marc Zyngier
2019-08-08 15:49 ` Marc Zyngier
2019-08-08 15:49 ` Marc Zyngier
2019-08-09 13:51 ` Zenghui Yu
2019-08-09 13:51 ` Zenghui Yu
2019-08-09 13:51 ` Zenghui Yu
2019-08-12 10:39 ` Steven Price
2019-08-12 10:39 ` Steven Price
2019-08-12 10:39 ` Steven Price
2019-08-13 6:06 ` Zenghui Yu
2019-08-13 6:06 ` Zenghui Yu
2019-08-13 6:06 ` Zenghui Yu
2019-08-03 18:05 ` [PATCH 0/9] arm64: Stolen time support Marc Zyngier
2019-08-03 18:05 ` Marc Zyngier
2019-08-03 18:05 ` Marc Zyngier
2019-08-05 13:06 ` Steven Price
2019-08-05 13:06 ` Steven Price
2019-08-05 13:06 ` Steven Price
2019-08-05 13:26 ` Marc Zyngier
2019-08-05 13:26 ` Marc Zyngier
2019-08-05 13:26 ` Marc Zyngier
2019-08-14 13:02 ` Alexander Graf
2019-08-14 13:02 ` Alexander Graf
2019-08-14 13:02 ` Alexander Graf
2019-08-14 14:19 ` Marc Zyngier
2019-08-14 14:19 ` Marc Zyngier
2019-08-14 14:52 ` [UNVERIFIED SENDER] " Alexander Graf
2019-08-14 14:52 ` Alexander Graf
2019-08-14 14:52 ` Alexander Graf
2019-08-16 10:23 ` Steven Price
2019-08-16 10:23 ` Steven Price
2019-08-16 10:23 ` Steven Price
2020-07-21 3:26 ` zhukeqian
2020-07-21 3:26 ` zhukeqian
2020-07-21 3:26 ` zhukeqian
2020-07-27 10:48 ` Steven Price
2020-07-27 10:48 ` Steven Price
2020-07-27 10:48 ` Steven Price
2020-07-29 2:57 ` zhukeqian
2020-07-29 2:57 ` zhukeqian
2020-07-29 2:57 ` zhukeqian
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