[dpdk-dev] [PATCH] net/mlx5: fix incorrect r/w lock usage in DMA unmap

Raslan Darawsheh rasland at nvidia.com
Tue Jul 6 11:34:46 CEST 2021


Hi,

> -----Original Message-----
> From: dev <dev-bounces at dpdk.org> On Behalf Of Feifei Wang
> Sent: Thursday, May 27, 2021 12:48 PM
> To: Matan Azrad <matan at nvidia.com>; Shahaf Shuler
> <shahafs at nvidia.com>; Slava Ovsiienko <viacheslavo at nvidia.com>
> Cc: dev at dpdk.org; nd at arm.com; Feifei Wang <feifei.wang2 at arm.com>;
> Shahaf Shuler <shahafs at nvidia.com>; stable at dpdk.org; Ruifeng Wang
> <ruifeng.wang at arm.com>
> Subject: [dpdk-dev] [PATCH] net/mlx5: fix incorrect r/w lock usage in DMA
> unmap
> 
> For mlx5 DMA unmap, write lock should be used for rebuilding memory
> region cache table rather than read lock.
> 
> Fixes: 989e999d9305 ("net/mlx5: support PCI device DMA map and unmap")
> Cc: shahafs at mellanox.com
> Cc: stable at dpdk.org
> 
> Signed-off-by: Feifei Wang <feifei.wang2 at arm.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang at arm.com>

Patch rebased and applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh


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