RE: [PATCH v12 1/2] mempool cache: add zero-copy get and put functions

["Morten Brørup" <mb@smartsharesystems.com>]

> From: Thomas Monjalon [mailto:thomas@monjalon.net]
> Sent: Monday, 31 July 2023 14.17
> 
> Olivier, Andrew, any comments?

What is the status with this patch series? The DPDK 23.11 deadline is coming up very soon.

> 
> 
> 21/07/2023 18:28, Dharmik Thakkar:
> > From: Morten Brørup <mb@smartsharesystems.com>
> >
> > Zero-copy access to mempool caches is beneficial for PMD performance.
> > Furthermore, having a zero-copy mempool API is considered a
> precondition
> > for fixing a certain category of bugs, present in some PMDs: For
> > performance reasons, some PMDs had bypassed the mempool API in order
> to
> > achieve zero-copy access to the mempool cache. This can only be fixed
> > in those PMDs without a performance regression if the mempool library
> > offers zero-copy access APIs, so the PMDs can use the proper mempool
> > API instead of copy-pasting code from the mempool library.
> > Furthermore, the copy-pasted code in those PMDs has not been kept up
> to
> > date with the improvements of the mempool library, so when they bypass
> > the mempool API, mempool trace is missing and mempool statistics is
> not
> > updated.
> >
> > Bugzilla ID: 1052
> >
> > Signed-off-by: Morten Brørup <mb@smartsharesystems.com>
> > Signed-off-by: Kamalakshitha Aligeri <kamalakshitha.aligeri@arm.com>
> > Signed-off-by: Dharmik Thakkar <dharmikjayesh.thakkar@arm.com>
> > Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> > Acked-by: Konstantin Ananyev <konstantin.v.ananyev@yandex.ru>
> > Acked-by: Chengwen Feng <fengchengwen@huawei.com>
> 
> 
>