Re: [PATCH v7 00/10] arm64: Stolen time support

[Steven Price]

On 23/10/2019 13:39, Marc Zyngier wrote:
> Hi Steven,
> 
> On 2019-10-21 16:28, Steven Price wrote:
>> This series add support for paravirtualized time for arm64 guests and
>> KVM hosts following the specification in Arm's document DEN 0057A:
>>
>> https://developer.arm.com/docs/den0057/a
>>
>> It implements support for stolen time, allowing the guest to
>> identify time when it is forcibly not executing.
>>
>> Note that Live Physical Time (LPT) which was previously part of the
>> above specification has now been removed.
>>
>> Also available as a git tree:
>> git://linux-arm.org/linux-sp.git stolen_time/v7
> 
> Can you please point me to userspace patches that I could apply to
> kvmtool? I'd like to give this series a go as part of my normal testing.

I don't have a proper patch yet, but the below is what I've been testing
with (this breaks with kernels without PV-time).

Steve

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