From: fengchengwen <fengchengwen@huawei.com>
To: Vipin Varghese <vipin.varghese@amd.com>, <cheng1.jiang@intel.com>,
<stable@dpdk.org>, <anoobj@marvell.com>, <jerinj@marvell.com>,
<dev@dpdk.org>
Subject: Re: [PATCH v3] app/dma-perf: fix physical address seg-fault
Date: Thu, 19 Oct 2023 15:13:59 +0800 [thread overview]
Message-ID: <dd214976-f454-a4d6-a782-a279796d4e4f@huawei.com> (raw)
In-Reply-To: <20231019041607.570-1-vipin.varghese@amd.com>
Acked-by: Chengwen Feng <fengchengwen@huawei.com>
On 2023/10/19 12:16, Vipin Varghese wrote:
> do_cpu_mem_copy uses DPDK API rte_mbuf_data_iova to return
> the start of the virtual address for both src and dst.
> But in case of iova mode set as PA, this results in seg-fault.
> This is because rte_memcpy uses VA address and not PA.
>
> This fix invokes `rte_pktmbuf_mtod` for both src and dst.
>
> Bugzilla ID: 1269
> Fixes: 623dc9364dc6 ("app/dma-perf: introduce DMA performance test")
> Cc: cheng1.jiang@intel.com
>
> Cc: stable@dpdk.org
>
> Signed-off-by: Vipin Varghese <vipin.varghese@amd.com>
> Suggested-by: Anoob Joseph <anoobj@marvell.com>
> Suggested-by: Jerin Jacob <jerinj@marvell.com>
>
> ---
...
next prev parent reply other threads:[~2023-10-19 7:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-19 4:16 Vipin Varghese
2023-10-19 7:13 ` fengchengwen [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-08-16 9:42 [PATCH v2] " Vipin Varghese
2023-10-19 4:19 ` [PATCH v3] " Vipin Varghese
2023-10-24 2:16 ` lihuisong (C)
2023-11-14 14:27 ` Thomas Monjalon
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