[PATCH 0/3] vhost_user: configure memory slots

[Maxime Coquelin]

Hi,

Please try to fix your email client so that we can follow the replies
inlined.

On 8/22/25 9:33 AM, Bathija, Pravin wrote:
> Dear Maxime, Bruce, David, Chenbo,
> 
> I would like to follow up on the status of the patches and when we should expect these to be merged into the mainline.
> 
> Please let me know if I can help answer any questions you might have.
> 
> Regards,
> Pravin
> 
> 
> Internal Use - Confidential
> -----Original Message-----
> From: Bathija, Pravin
> Sent: Thursday, August 21, 2025 7:48 PM
> To: Thomas Monjalon <thomas at monjalon.net>
> Cc: dev at dpdk.org; pravin.m.bathija.dev at gmail.com; Maxime Coquelin <maxime.coquelin at redhat.com>; Chenbo Xia <chenbox at nvidia.com>; David Marchand <david.marchand at redhat.com>; Bruce Richardson <bruce.richardson at intel.com>
> Subject: RE: [PATCH 0/3] vhost_user: configure memory slots
> 
> Comments inline:
> 
> -----Original Message-----
> From: Thomas Monjalon <thomas at monjalon.net>
> Sent: Tuesday, August 19, 2025 4:36 AM
> To: Bathija, Pravin <Pravin.Bathija at dell.com>
> Cc: dev at dpdk.org; pravin.m.bathija.dev at gmail.com; Maxime Coquelin <maxime.coquelin at redhat.com>; Chenbo Xia <chenbox at nvidia.com>; David Marchand <david.marchand at redhat.com>; Bruce Richardson <bruce.richardson at intel.com>
> Subject: Re: [PATCH 0/3] vhost_user: configure memory slots
> 
> 
> [EXTERNAL EMAIL]
> 
> Comments inline
> 
> 12/08/2025 04:33, Pravin M Bathija:
>> - add protocol feature support add and removal of memory regions/slots
>> dynamically.
>> - this patch set has been tested with multiple instances of fio
> 
> What is "fio"?
> Fio is an open-source tool to test I/O workloads on disks and file systems.
> 
>> connected via libblkio to spdk target backed unix domain socket.
>> - please apply this this patch-set to dpdk mainline as well as version
>> 25.03.0.
> 
> As mentionned previously, we don't plan to maintain 25.03.
> I understand you need it for SPDK,
> but I think SPDK should rely only on LTS branches.
> Is there a specific reason why 25.03 is required in SPDK?
> 
> When we do sub-module init on spdk master, it uses dpdk version 25.03 from it's own sub-repo.
> Our changes for vhost have already been pushed to spdk master. We have also pushed the same dpdk
> changes in the spdk sub-repo "dpdk" which is version 25.03. I was just ensuring that there is uniformity
> in the 25.03 codebase, whether it is on the spdk sub-repo or 25.03 within dpdk repo.

Ok, still, it would be better for SPDK to uses LTS as we have no plans
to add extra stable branches.

Also, your series may be considered as a feature and not a bug fix, so 
even if 25.03 would be a stable branch (which it is not), it would not
be backported against it.

> 
> 
>> v2:
>> - fixed warnings with e-mail address
>> - fixed warnings with typos
>> - there is a warning about __rte_packed_begin not being in pair with
>> __rte_packed_end which on reading the code turns out to be false. It
>> is an anomaly of how git-format generates the patch and how
>> check-patch checks it.
> 
> When sending a v2, please use -v2 so it is reflected in the email subject.
> I will remember this for next time. Thank you for pointing that out.
> 
>> Pravin M Bathija (3):
>>    mailmap: add user
>>    vhost_user: configure memory slots
>>    vhost_user: support for memory regions
>>
>>   .mailmap               |   1 +
>>   lib/vhost/rte_vhost.h  |   4 +
>>   lib/vhost/vhost_user.c | 325
>> +++++++++++++++++++++++++++++++++++------
>>   lib/vhost/vhost_user.h |  10 ++
>>   4 files changed, 296 insertions(+), 44 deletions(-)
> 
> 
>