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

Shahaf Shuler shahafs at mellanox.com
Thu Jan 25 17:33:52 CET 2018


Thursday, January 25, 2018 6:01 PM, Nélio Laranjeiro:
> Subject: Re: [PATCH v2] net/mlx5: mmap uar address around huge pages
> 
> 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>

Applied to next-net-mlx, thanks.

> 
> --
> Nélio Laranjeiro
> 6WIND


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