From: "Nélio Laranjeiro" <nelio.laranjeiro@6wind.com>
To: Xueming Li <xuemingl@mellanox.com>
Cc: Shahaf Shuler <shahafs@mellanox.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2] net/mlx5: mmap uar address around huge pages
Date: Thu, 25 Jan 2018 17:01:05 +0100 [thread overview]
Message-ID: <20180125160105.vm75fsol3y3z3cix@laranjeiro-vm.dev.6wind.com> (raw)
In-Reply-To: <1516892424-160194-1-git-send-email-xuemingl@mellanox.com>
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@mellanox.com>
As it does not break anything...
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
--
Nélio Laranjeiro
6WIND
next prev parent reply other threads:[~2018-01-25 16:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-19 15:08 [dpdk-dev] [PATCH] net/mlx5: remmap UAR address for multiple process Xueming Li
2018-01-22 14:53 ` Nélio Laranjeiro
2018-01-23 9:50 ` Xueming(Steven) Li
2018-01-23 13:31 ` Nélio Laranjeiro
2018-01-23 14:16 ` Xueming(Steven) Li
2018-01-25 15:00 ` [dpdk-dev] [PATCH v2] net/mlx5: mmap uar address around huge pages Xueming Li
2018-01-25 16:01 ` Nélio Laranjeiro [this message]
2018-01-25 16:33 ` Shahaf Shuler
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