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SubjectRe: [Xen-devel] [PATCH v4.9 1/1] jiffies: use jiffies64_to_nsecs() to fix 100% steal usage for xen vcpu hotplug
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On 3/12/19 8:56 PM, Greg KH wrote:
> On Wed, Mar 06, 2019 at 03:35:40PM +0800, Dongli Zhang wrote:
>> Thanks to Joe Jin's reminding, this patch is applicable to mainline linux
>> kernel, although there is no issue due to this kind of bug in mainline kernel.
>>
>> Therefore, can I first submit this patch to mainline kernel and then backport it
>> to stable linux with more detailed explanation how the issue is reproduced on xen?
>
> Yes, please do that.

I am working on a patch to reform the xen steal clock formula by xen specific
interfaces in linux kernel. In that way, we will not need to change the
signature of existing jiffies relevant functions which expect only delta values
as input.

The new formula will not generate such large input value.

Dongli Zhang

>
> thanks,
>
> greg k-h
>
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> Xen-devel mailing list
> Xen-devel@lists.xenproject.org
> https://lists.xenproject.org/mailman/listinfo/xen-devel
>

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