On Fri, 04 Sep 2020 10:27:42 +0100,
Jianyong Wu wrote:
>
> Currently, there is no mechanism to keep time sync between guest and host
> in arm64 virtualization environment. Time in guest will drift compared
> with host after boot up as they may both use third party time sources
> to correct their
On Fri, 04 Sep 2020 10:27:42 +0100,
Jianyong Wu wrote:
>
> Currently, there is no mechanism to keep time sync between guest and host
> in arm64 virtualization environment. Time in guest will drift compared
> with host after boot up as they may both use third party time sources
> to correct their
On Sat, 05 Sep 2020 12:01:42 +0100,
Marc Zyngier wrote:
>
> On Fri, 04 Sep 2020 10:27:42 +0100,
> Jianyong Wu wrote:
[...]
> > +{
> > + ktime_t ktime;
> > +
> > + arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_PTP_FUNC_ID,
> > +hvc_res);
> > + if ((long long)(hvc_r
com;
> richardcoch...@gmail.com; Mark Rutland ;
> w...@kernel.org; Suzuki Poulose ; Steven Price
> ; linux-ker...@vger.kernel.org; linux-arm-
> ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
> k...@vger.kernel.org; Steve Capper ; Justin He
> ; nd
> Subject: Re: [PATCH v14 08/1
com;
> richardcoch...@gmail.com; Mark Rutland ;
> w...@kernel.org; Suzuki Poulose ; Steven Price
> ; linux-ker...@vger.kernel.org; linux-arm-
> ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
> k...@vger.kernel.org; Steve Capper ; Justin He
> ; nd
> Subject: Re: [PATCH v14 08/1
...@intel.com;
richardcoch...@gmail.com; Mark Rutland ;
w...@kernel.org; Suzuki Poulose ; Steven Price
; linux-ker...@vger.kernel.org; linux-arm-
ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
k...@vger.kernel.org; Steve Capper ; Justin He
; nd
Subject: Re: [PATCH v14 08/10] ptp: arm64: Enable
ch...@gmail.com; Mark Rutland ;
> w...@kernel.org; Suzuki Poulose ; Steven Price
> ; linux-ker...@vger.kernel.org; linux-arm-
> ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
> k...@vger.kernel.org; Steve Capper ; Justin He
> ; nd
> Subject: Re: [PATCH v14 08/10] ptp:
On 2020-09-07 10:28, Jianyong Wu wrote:
-Original Message-
From: Marc Zyngier
Sent: Monday, September 7, 2020 4:55 PM
To: Jianyong Wu
[...]
>>arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_FEATUR
>> ES_FUNC_ID,
>> > + &hvc_res);
>> > + if (!(hvc_res.a0 |
ch...@gmail.com; Mark Rutland ;
> w...@kernel.org; Suzuki Poulose ; Steven Price
> ; linux-ker...@vger.kernel.org; linux-arm-
> ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
> k...@vger.kernel.org; Steve Capper ; Justin He
> ; nd
> Subject: Re: [PATCH v14 08/10] ptp: