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From: Shahaf Shuler <shahafs@mellanox.com>
To: "Nélio Laranjeiro" <nelio.laranjeiro@6wind.com>,
	"Xueming(Steven) Li" <xuemingl@mellanox.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2] net/mlx5: mmap uar address around huge pages
Date: Thu, 25 Jan 2018 16:33:52 +0000	[thread overview]
Message-ID: <VI1PR05MB3149229A59E538BF1F11D4A1C3E10@VI1PR05MB3149.eurprd05.prod.outlook.com> (raw)
In-Reply-To: <20180125160105.vm75fsol3y3z3cix@laranjeiro-vm.dev.6wind.com>

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@mellanox.com>
> 
> As it does not break anything...
> 
> Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>

Applied to next-net-mlx, thanks.

> 
> --
> Nélio Laranjeiro
> 6WIND

      reply	other threads:[~2018-01-25 16:33 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
2018-01-25 16:33     ` Shahaf Shuler [this message]

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