Re: [LSF/MM/BPF TOPIC] BoF VM live migration over CXL memory​

[Dragan Stancevic <dragan@stancevic.com>]

Hi Shreyas-

speaking strictly for myself, sounds interesting


On 4/10/23 20:17, Shreyas Shah wrote:
> Thank you, Dragon.
> 
> Btw, we can demonstrate the VM live migration with our FPGA based CXL memory and our demonstration today. We are not application expert, looked at the last diagram in your link and we are confident we can achieve it.
> 
> Will there be any interest from the group? I can present for 15 mins and Q&A.
> 
> Regards,
> Shreyas
> 
> 
> 
> -----Original Message-----
> From: Dragan Stancevic <dragan@stancevic.com>
> Sent: Monday, April 10, 2023 6:09 PM
> To: Shreyas Shah <shreyas.shah@elastics.cloud>; lsf-pc@lists.linux-foundation.org
> Cc: nil-migration@lists.linux.dev; linux-cxl@vger.kernel.org; linux-mm@kvack.org
> Subject: Re: [LSF/MM/BPF TOPIC] BoF VM live migration over CXL memory​
> 
> Hi Shreyas-
> 
> On 4/9/23 12:40, Shreyas Shah wrote:
>> Hi Dragon,
>>
>> The concept is great to time share the CXL attached memory across two NUMA nodes for live migration and create a cluster of VMs to increase the compute capacity.
>>
>> When and where is the BoF?
> 
> It's a proposal sent under (CFP), it has not been accepted yet. The agenda is selected by the program committee based on interest. The current proposal is for LSF/MM/BPF summit[1] running May 8 - May 10th, but it's not happening if not approved by committee.
> 
> 
> [1]. https://events.linuxfoundation.org/lsfmm/
> 
> 
>>
>>
>> Regards,
>> Shreyas
>>    
>>
>> -----Original Message-----
>> From: Dragan Stancevic <dragan@stancevic.com>
>> Sent: Friday, April 7, 2023 2:06 PM
>> To: lsf-pc@lists.linux-foundation.org
>> Cc: nil-migration@lists.linux.dev; linux-cxl@vger.kernel.org;
>> linux-mm@kvack.org
>> Subject: [LSF/MM/BPF TOPIC] BoF VM live migration over CXL memory​
>>
>> Hi folks-
>>
>> if it's not too late for the schedule...
>>
>> I am starting to tackle VM live migration and hypervisor clustering over switched CXL memory[1][2], intended for cloud virtualization types of loads.
>>
>> I'd be interested in doing a small BoF session with some slides and get into a discussion/brainstorming with other people that deal with VM/LM cloud loads. Among other things to discuss would be page migrations over switched CXL memory, shared in-memory ABI to allow VM hand-off between hypervisors, etc...
>>
>> A few of us discussed some of this under the ZONE_XMEM thread, but I figured it might be better to start a separate thread.
>>
>> If there is interested, thank you.
>>
>>
>> [1]. High-level overview available at http://nil-migration.org/ [2].
>> Based on CXL spec 3.0
>>
>> --
>> Peace can only come as a natural consequence of universal
>> enlightenment -Dr. Nikola Tesla
> 
> --
> --
> Peace can only come as a natural consequence of universal enlightenment -Dr. Nikola Tesla
> 

-- 
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Peace can only come as a natural consequence
of universal enlightenment -Dr. Nikola Tesla