From: Marc Zyngier <maz@kernel.org>
To: Jianyong Wu <Jianyong.Wu@arm.com>
Cc: Justin He <Justin.He@arm.com>,
kvm-owner@vger.kernel.org, kvm@vger.kernel.org,
netdev@vger.kernel.org, richardcochran@gmail.com,
linux-kernel@vger.kernel.org, sean.j.christopherson@intel.com,
Steven Price <Steven.Price@arm.com>,
john.stultz@linaro.org, yangbo.lu@nxp.com, pbonzini@redhat.com,
tglx@linutronix.de, nd <nd@arm.com>,
will@kernel.org, kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [RFC PATCH v9 7/8] ptp: arm64: Enable ptp_kvm for arm64
Date: Thu, 09 Jan 2020 09:46:14 +0000 [thread overview]
Message-ID: <a5f5fc5bf913c9a22923d1a556f511e6@kernel.org> (raw)
In-Reply-To: <ee801dacbf4143e8d41807d5bfad1409@kernel.org>
On 2020-01-09 09:24, Marc Zyngier wrote:
> On 2020-01-09 05:59, Jianyong Wu wrote:
[...]
>> So we focus it on arm64. Also I have never tested it on arm32 machine
>> ( we lack of arm32 machine)
>
> I'm sure your employer can provide you with such a box. I can probably
> even tell you which cupboard they are stored in... ;-)
>
>> Do you think it's necessary to enable ptp_kvm on arm32? If so, I can
>> do that.
>
> I can't see why we wouldn't, given that it should be a zero effort task
> (none of the code here is arch specific).
To be clear, what I'm after is support for 32bit *guests*. I don't
expect any
issue with a 32bit host (it's all common code), but you should be able
to test
32bit guests pretty easily (most ARMv8.0 CPUs support 32bit EL1).
M.
--
Jazz is not dead. It just smells funny...
_______________________________________________
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https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: Jianyong Wu <Jianyong.Wu@arm.com>
Cc: Mark Rutland <Mark.Rutland@arm.com>,
Justin He <Justin.He@arm.com>,
kvm-owner@vger.kernel.org, kvm@vger.kernel.org,
Suzuki Poulose <Suzuki.Poulose@arm.com>,
netdev@vger.kernel.org, richardcochran@gmail.com,
Steve Capper <Steve.Capper@arm.com>,
linux-kernel@vger.kernel.org, sean.j.christopherson@intel.com,
Steven Price <Steven.Price@arm.com>, Kaly Xin <Kaly.Xin@arm.com>,
john.stultz@linaro.org, yangbo.lu@nxp.com, pbonzini@redhat.com,
tglx@linutronix.de, nd <nd@arm.com>,
will@kernel.org, kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [RFC PATCH v9 7/8] ptp: arm64: Enable ptp_kvm for arm64
Date: Thu, 09 Jan 2020 09:46:14 +0000 [thread overview]
Message-ID: <a5f5fc5bf913c9a22923d1a556f511e6@kernel.org> (raw)
In-Reply-To: <ee801dacbf4143e8d41807d5bfad1409@kernel.org>
On 2020-01-09 09:24, Marc Zyngier wrote:
> On 2020-01-09 05:59, Jianyong Wu wrote:
[...]
>> So we focus it on arm64. Also I have never tested it on arm32 machine
>> ( we lack of arm32 machine)
>
> I'm sure your employer can provide you with such a box. I can probably
> even tell you which cupboard they are stored in... ;-)
>
>> Do you think it's necessary to enable ptp_kvm on arm32? If so, I can
>> do that.
>
> I can't see why we wouldn't, given that it should be a zero effort task
> (none of the code here is arch specific).
To be clear, what I'm after is support for 32bit *guests*. I don't
expect any
issue with a 32bit host (it's all common code), but you should be able
to test
32bit guests pretty easily (most ARMv8.0 CPUs support 32bit EL1).
M.
--
Jazz is not dead. It just smells funny...
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: Jianyong Wu <Jianyong.Wu@arm.com>
Cc: netdev@vger.kernel.org, yangbo.lu@nxp.com,
john.stultz@linaro.org, tglx@linutronix.de, pbonzini@redhat.com,
sean.j.christopherson@intel.com, richardcochran@gmail.com,
Mark Rutland <Mark.Rutland@arm.com>,
will@kernel.org, Suzuki Poulose <Suzuki.Poulose@arm.com>,
Steven Price <Steven.Price@arm.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org,
Steve Capper <Steve.Capper@arm.com>, Kaly Xin <Kaly.Xin@arm.com>,
Justin He <Justin.He@arm.com>, nd <nd@arm.com>,
kvm-owner@vger.kernel.org
Subject: Re: [RFC PATCH v9 7/8] ptp: arm64: Enable ptp_kvm for arm64
Date: Thu, 09 Jan 2020 09:46:14 +0000 [thread overview]
Message-ID: <a5f5fc5bf913c9a22923d1a556f511e6@kernel.org> (raw)
In-Reply-To: <ee801dacbf4143e8d41807d5bfad1409@kernel.org>
On 2020-01-09 09:24, Marc Zyngier wrote:
> On 2020-01-09 05:59, Jianyong Wu wrote:
[...]
>> So we focus it on arm64. Also I have never tested it on arm32 machine
>> ( we lack of arm32 machine)
>
> I'm sure your employer can provide you with such a box. I can probably
> even tell you which cupboard they are stored in... ;-)
>
>> Do you think it's necessary to enable ptp_kvm on arm32? If so, I can
>> do that.
>
> I can't see why we wouldn't, given that it should be a zero effort task
> (none of the code here is arch specific).
To be clear, what I'm after is support for 32bit *guests*. I don't
expect any
issue with a 32bit host (it's all common code), but you should be able
to test
32bit guests pretty easily (most ARMv8.0 CPUs support 32bit EL1).
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2020-01-09 9:46 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-10 3:40 [RFC PATCH v9 0/8] Enable ptp_kvm for arm64 Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` [RFC PATCH v9 1/8] arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit() Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` [RFC PATCH v9 2/8] psci: let arm_smccc_1_1_invoke available by modules Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` [RFC PATCH v9 3/8] ptp: Reorganize ptp_kvm modules to make it arch-independent Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` [RFC PATCH v9 4/8] time: Add mechanism to recognize clocksource in time_get_snapshot Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` [RFC PATCH v9 5/8] clocksource: Add clocksource id for arm arch counter Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` [RFC PATCH v9 6/8] psci: Add hvc call service for ptp_kvm Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2020-01-07 9:16 ` Marc Zyngier
2020-01-07 9:16 ` Marc Zyngier
2020-01-07 9:16 ` Marc Zyngier
2020-01-09 5:45 ` Jianyong Wu
2020-01-09 5:45 ` Jianyong Wu
2020-01-09 5:45 ` Jianyong Wu
2020-01-09 9:16 ` Marc Zyngier
2020-01-09 9:16 ` Marc Zyngier
2020-01-09 9:16 ` Marc Zyngier
2020-01-10 9:51 ` Jianyong Wu
2020-01-10 9:51 ` Jianyong Wu
2020-01-10 9:51 ` Jianyong Wu
2020-01-10 10:56 ` Marc Zyngier
2020-01-10 10:56 ` Marc Zyngier
2020-01-10 10:56 ` Marc Zyngier
2020-01-13 10:30 ` Jianyong Wu
2020-01-13 10:30 ` Jianyong Wu
2020-01-13 10:30 ` Jianyong Wu
2020-01-13 11:16 ` Marc Zyngier
2020-01-13 11:16 ` Marc Zyngier
2020-01-13 11:16 ` Marc Zyngier
2020-01-14 10:34 ` Jianyong Wu
2020-01-14 10:34 ` Jianyong Wu
2020-01-14 10:34 ` Jianyong Wu
2019-12-10 3:40 ` [RFC PATCH v9 7/8] ptp: arm64: Enable ptp_kvm for arm64 Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2020-01-07 9:29 ` Marc Zyngier
2020-01-07 9:29 ` Marc Zyngier
2020-01-07 9:29 ` Marc Zyngier
2020-01-09 5:59 ` Jianyong Wu
2020-01-09 5:59 ` Jianyong Wu
2020-01-09 5:59 ` Jianyong Wu
2020-01-09 9:24 ` Marc Zyngier
2020-01-09 9:24 ` Marc Zyngier
2020-01-09 9:24 ` Marc Zyngier
2020-01-09 9:46 ` Marc Zyngier [this message]
2020-01-09 9:46 ` Marc Zyngier
2020-01-09 9:46 ` Marc Zyngier
2020-01-10 10:15 ` Jianyong Wu
2020-01-10 10:15 ` Jianyong Wu
2020-01-10 10:15 ` Jianyong Wu
2020-01-10 10:15 ` Jianyong Wu
2020-01-10 10:15 ` Jianyong Wu
2020-01-10 10:15 ` Jianyong Wu
2020-01-10 10:35 ` Marc Zyngier
2020-01-10 10:35 ` Marc Zyngier
2020-01-10 10:35 ` Marc Zyngier
2020-01-13 10:37 ` Jianyong Wu
2020-01-13 10:37 ` Jianyong Wu
2020-01-13 10:37 ` Jianyong Wu
2020-01-13 11:21 ` Marc Zyngier
2020-01-13 11:21 ` Marc Zyngier
2020-01-13 11:21 ` Marc Zyngier
2020-01-14 10:22 ` Jianyong Wu
2020-01-14 10:22 ` Jianyong Wu
2020-01-14 10:22 ` Jianyong Wu
2019-12-10 3:40 ` [RFC PATCH v9 8/8] kvm: arm64: Add capability check extension for ptp_kvm Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2019-12-10 3:40 ` Jianyong Wu
2020-01-06 9:38 ` [RFC PATCH v9 0/8] Enable ptp_kvm for arm64 Jianyong Wu
2020-01-06 9:38 ` Jianyong Wu
2020-01-06 9:38 ` Jianyong Wu
2020-01-07 8:15 ` Paolo Bonzini
2020-01-07 8:15 ` Paolo Bonzini
2020-01-07 8:15 ` Paolo Bonzini
2020-01-07 9:33 ` Marc Zyngier
2020-01-07 9:33 ` Marc Zyngier
2020-01-07 9:33 ` Marc Zyngier
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