[dpdk-stable] [dpdk-dev] [PATCH v2] eal/linux: do not create user mem map repeatedly when it exists

[Burakov, Anatoly]

On 23-Jul-20 3:48 PM, wangyunjian wrote:
> From: Yunjian Wang <wangyunjian at huawei.com>
> 
> Currently, we will create new user mem map entry for the same memory
> segment, but in fact it has already been added to the user mem maps.
> It's not necessary to create it twice.
> 
> To resolve the issue, add support to remove the same entry in the
> function compact_user_maps().
> 
> Fixes: 0cbce3a167f1 ("vfio: skip DMA map failure if already mapped")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Yunjian Wang <wangyunjian at huawei.com>
> ---

Acked-by: Anatoly Burakov <anatoly.burakov at intel.com>

-- 
Thanks,
Anatoly