Re: [PATCH v2 00/10] virtio-mem: paravirtualized memory

From: David Hildenbrand
Date: Mon Mar 30 2020 - 04:43:19 EST


On 29.03.20 17:41, Pankaj Gupta wrote:
>>> Hi David,
>>>
>>> Trying to test the series with the Qemu branch(virtio-mem) mentioned.
>>> Unfortunately,
>>> not able to hotplug memory. Is anything changed from your previous posting
>>> or I am doing something wrong?
>>>
>>> After giving value to "requested-size", I see size as zero.
>>>
>>> (qemu) qom-set vm0 requested-size 10G
>>> (qemu) info memory-devices
>>> Memory device [virtio-mem]: "vm0"
>>> memaddr: 0x240000000
>>> node: 0
>>> requested-size: 10737418240
>>> size: 0
>>> max-size: 107374182400
>>> block-size: 2097152
>>> memdev: /objects/mem0
>>>
>>> Guest kernel: 5.6.0-rc4
>>> Using same Qemu commandline arguments mentioned in cover-letter.
>>
>> Are you booting from an initrd? Are you compiling virtio-mem as a kernel
>> module or into the kernel binary?
> Ah was booting into wrong kernel version. Sorry! for the noise.
>
> Working perfectly for me. Tried various cmbinations for both
> hotplug/unplug with multiple
> NUMA nodes and verified result in guest.
>
> For the series, you can add:
> Tested-by: Pankaj Gupta <pankaj.gupta.linux@xxxxxxxxx>

Awesome, thanks!

--
Thanks,

David / dhildenb