[dpdk-dev] [PATCH v2] net/mlx5: mmap uar address around huge pages

Nélio Laranjeiro nelio.laranjeiro at 6wind.com
Thu Jan 25 17:01:05 CET 2018


On Thu, Jan 25, 2018 at 11:00:24PM +0800, Xueming Li wrote:
> Reserving the memory space for the UAR near huge pages helps to
> **reduce** the cases where the secondary process cannot start. Those
> pages being physical pages they must be mapped at the same virtual
> address as in the primary process to have a
> working secondary process.
> 
> As this remap is almost the latest being done by the processes
> (libraries, heaps, stacks are already loaded), similar to huge pages,
> there is **no guarantee** this mechanism will always work.
> 
> Signed-off-by: Xueming Li <xuemingl at mellanox.com>

As it does not break anything...

Acked-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>

-- 
Nélio Laranjeiro
6WIND


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