Re: [LSF/MM/BPF BoF] Session for CXL memory

From: Dragan Stancevic <dragan@stancevic.com>
To: Zhu Yanjun <yanjun.zhu@linux.dev>, Wei Xu <weixugc@google.com>,
	Yang Shi <shy828301@gmail.com>
Cc: David Rientjes <rientjes@google.com>,
	"Viacheslav A.Dubeyko" <viacheslav.dubeyko@bytedance.com>,
	lsf-pc@lists.linux-foundation.org, linux-cxl@vger.kernel.org,
	linux-mm@kvack.org, Dan Williams <dan.j.williams@intel.com>,
	Jonathan Cameron <jonathan.cameron@huawei.com>,
	Adam Manzanares <a.manzanares@samsung.com>,
	Duen-wen Hsiao <duenwen@google.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Jerome Glisse <jglisse@google.com>
Subject: Re: [LSF/MM/BPF BoF] Session for CXL memory
Date: Fri, 31 Mar 2023 13:15:28 -0500	[thread overview]
Message-ID: <7447b9ed-f000-92f9-8044-afa65ef38ce5@stancevic.com> (raw)
In-Reply-To: <d733b3a4-757a-624f-18a4-ad27b1ef1f77@linux.dev>

On 1/25/23 09:04, Zhu Yanjun wrote:
> 在 2023/1/24 8:57, Wei Xu 写道:
>> On Mon, Jan 23, 2023 at 4:22 PM Yang Shi <shy828301@gmail.com> wrote:
>>>
>>> On Sun, Jan 22, 2023 at 9:51 PM David Rientjes <rientjes@google.com> 
>>> wrote:
>>>>
>>>> On Fri, 6 Jan 2023, Viacheslav A.Dubeyko wrote:
>>>>
>>>>> CC: LSF/MM/BPF mailing list. Sorry, missed the list.
>>>>>
>>>>>> On Jan 6, 2023, at 11:51 AM, Viacheslav A.Dubeyko 
>>>>>> <viacheslav.dubeyko@bytedance.com> wrote:
>>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I believe CXL memory is hot topic now. I believe we have multiple 
>>>>>> topics
>>>>>> for discussion. I personally would like to discuss CXL Fabric Manager
>>>>>> and vision of FM architecture implementation. I am going to share 
>>>>>> the topic
>>>>>> in separate email. I would like to suggest a special session for 
>>>>>> CXL memory
>>>>>> related topics.
>>>>>>
>>>>>> How everybody feels about it?
>>>>>>
>>>>
>>>> I think this makes a lot of sense, thanks for suggesting it.
>>>>
>>>> Should this be a BoF or just a normal topic proposal?  I assume that 
>>>> there
>>>> could be several different topics of interest all related to CXL.mem.
>>>>
>>>> Specifically interesting would be the division of work between the 
>>>> kernel
>>>> and userspace to manage memory placement on systems with locally 
>>>> attached
>>>> CXL.  And, further, what APIs userspace would have at its disposal for
>>>> explicit optimization of this placement that would exist beyond what is
>>>> available for NUMA.
>>>
>>> Yeah, in addition, how CXL hierarchy interacts with memory tiering may
>>> be an interesting topic too.
>>>
>>>>
>>>> I assume we might also want to chat about CXL 2.0 extensions that 
>>>> would be
>>>> useful, especially for cloud providers.
>>>>
>>>> I'd be happy to join in any of the proposals for these topics, just 
>>>> let me
>>>> know!
>>>
>>> +1 for me.
>>>
>>
>> I am also interested in these discussions.
> 
> +1， I am interested in this.

+1, also interested in cloud aspects


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