From: "Nélio Laranjeiro" <nelio.laranjeiro@6wind.com>
To: Yongseok Koh <yskoh@mellanox.com>
Cc: adrien.mazarguil@6wind.com, dev@dpdk.org,
Anatoly Burakov <anatoly.burakov@intel.com>
Subject: Re: [dpdk-dev] [PATCH 1/2] net/mlx5: fix alignment of Memory Region
Date: Wed, 18 Apr 2018 08:43:20 +0200 [thread overview]
Message-ID: <20180418064320.sbxv4gmuu6gwextp@laranjeiro-vm.dev.6wind.com> (raw)
In-Reply-To: <20180417183914.10175-1-yskoh@mellanox.com>
On Tue, Apr 17, 2018 at 11:39:13AM -0700, Yongseok Koh wrote:
> The memory region is [start, end), so if the memseg of 'end' isn't
> allocated yet, the returned memseg will have zero entries and this will
> make 'end' zero (nil).
>
> Fixes: 718e35999c96 ("net/mlx5: use virt2memseg instead of iteration")
> Cc: Anatoly Burakov <anatoly.burakov@intel.com>
>
> Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
> ---
> drivers/net/mlx5/mlx5_mr.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/net/mlx5/mlx5_mr.c b/drivers/net/mlx5/mlx5_mr.c
> index fdf7b3e88..39bbe2481 100644
> --- a/drivers/net/mlx5/mlx5_mr.c
> +++ b/drivers/net/mlx5/mlx5_mr.c
> @@ -265,9 +265,7 @@ mlx5_mr_new(struct rte_eth_dev *dev, struct rte_mempool *mp)
> ms = rte_mem_virt2memseg((void *)start, NULL);
> if (ms != NULL)
> start = RTE_ALIGN_FLOOR(start, ms->hugepage_sz);
> - ms = rte_mem_virt2memseg((void *)end, NULL);
> - if (ms != NULL)
> - end = RTE_ALIGN_CEIL(end, ms->hugepage_sz);
> + end = RTE_ALIGN_CEIL(end, ms->hugepage_sz);
>
> DRV_LOG(DEBUG,
> "port %u mempool %p using start=%p end=%p size=%zu for memory"
> --
> 2.11.0
>
--
Nélio Laranjeiro
6WIND
next prev parent reply other threads:[~2018-04-18 6:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-17 18:39 Yongseok Koh
2018-04-17 18:39 ` [dpdk-dev] [PATCH 2/2] net/mlx4: " Yongseok Koh
2018-04-18 8:05 ` Adrien Mazarguil
2018-04-18 6:43 ` Nélio Laranjeiro [this message]
2018-04-22 9:09 ` [dpdk-dev] [PATCH 1/2] net/mlx5: " Shahaf Shuler
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