RE: [PATCH v2 5/7] vdpa/mlx5: cache and reuse hardware resources

["Xueming(Steven) Li" <xuemingl@nvidia.com>]

Hi Maxime,

Thanks for the suggestion, I'll send out a new version.

Regards,
Xueming Li

> -----Original Message-----
> From: Maxime Coquelin <maxime.coquelin@redhat.com>
> Sent: Wednesday, April 20, 2022 11:03 PM
> To: Xueming(Steven) Li <xuemingl@nvidia.com>; dev@dpdk.org
> Cc: Matan Azrad <matan@nvidia.com>; Slava Ovsiienko <viacheslavo@nvidia.com>
> Subject: Re: [PATCH v2 5/7] vdpa/mlx5: cache and reuse hardware resources
> 
> 
> 
> On 2/24/22 16:50, Xueming Li wrote:
> > During device suspend and resume, resources are not changed normally.
> > When huge resources allocated to VM, like huge memory size or lots of
> 
> "When huge resources were allocated"
> 
> > queues, time spent on release and recreate became significant.
> >
> > To speed up, this patch reuse resoruces like VM MR and VirtQ memory if
> 
> "reuses resources"
> 
> > not changed.
> >
> > Signed-off-by: Xueming Li <xuemingl@nvidia.com>
> > ---
> >   drivers/vdpa/mlx5/mlx5_vdpa.c       | 11 ++++-
> >   drivers/vdpa/mlx5/mlx5_vdpa.h       | 12 ++++-
> >   drivers/vdpa/mlx5/mlx5_vdpa_mem.c   | 27 ++++++++++-
> >   drivers/vdpa/mlx5/mlx5_vdpa_virtq.c | 73 +++++++++++++++++++++--------
> >   4 files changed, 99 insertions(+), 24 deletions(-)
> >
> 
> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> 
> Thanks,
> Maxime