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From: Ferruh Yigit <ferruh.yigit@xilinx.com>
To: "Min Hu (Connor)" <humin29@huawei.com>, <dev@dpdk.org>
Cc: <thomas@monjalon.net>
Subject: Re: [PATCH 3/7] net/hns3: fix pseudo-sharing between threads
Date: Tue, 3 May 2022 20:05:41 +0100	[thread overview]
Message-ID: <ba8632c0-396f-890a-c47f-3ce15aee0901@xilinx.com> (raw)
In-Reply-To: <20220406092240.52900-4-humin29@huawei.com>

On 4/6/2022 10:22 AM, Min Hu (Connor) wrote:
> From: Huisong Li <lihuisong@huawei.com>
> 
> Some fields in the end of 'struct hns3_rx_queue' and 'struct hns3_tx_queue'
> are not accessed in the I/O path. But these fields may be accessed in other
> threads, which may lead to the problem of pseudo-sharing of IO threads.

... problem of cache pseudo-sharing ...

> This patch add a cacheline alignment to avoid it.
> 
> Fixes: 9261fd3caf1f ("net/hns3: improve IO path data cache usage")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Huisong Li <lihuisong@huawei.com>
> Signed-off-by: Min Hu (Connor) <humin29@huawei.com>

<...>

  reply	other threads:[~2022-05-03 19:05 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-06  9:22 [PATCH 0/7] bugfix for hns3 PMD Min Hu (Connor)
2022-04-06  9:22 ` [PATCH 1/7] net/hns3: fix order of clearing imissed register in PF Min Hu (Connor)
2022-04-06  9:22 ` [PATCH 2/7] net/hns3: fix MAC and queues HW statistics reversion Min Hu (Connor)
2022-05-03 19:05   ` Ferruh Yigit
2022-04-06  9:22 ` [PATCH 3/7] net/hns3: fix pseudo-sharing between threads Min Hu (Connor)
2022-05-03 19:05   ` Ferruh Yigit [this message]
2022-04-06  9:22 ` [PATCH 4/7] net/hns3: fix more mbufs are freed when Tx done cleanup Min Hu (Connor)
2022-04-06  9:22 ` [PATCH 5/7] net/hns3: fix RSS disable Min Hu (Connor)
2022-05-03 19:05   ` Ferruh Yigit
2022-04-06  9:22 ` [PATCH 6/7] net/hns3: fix undo rollback when update RSS hash Min Hu (Connor)
2022-04-06  9:22 ` [PATCH 7/7] net/hns3: remove redundant RSS tuple field Min Hu (Connor)
2022-05-03 19:06   ` Ferruh Yigit
2022-04-25  7:03 ` [PATCH 0/7] bugfix for hns3 PMD Min Hu (Connor)
2022-05-03 19:07 ` Ferruh Yigit
2022-05-05 12:27 ` [PATCH v2 " Min Hu (Connor)
2022-05-05 12:27   ` [PATCH v2 1/7] net/hns3: fix order of clearing imissed register in PF Min Hu (Connor)
2022-05-05 12:27   ` [PATCH v2 2/7] net/hns3: fix MAC and queues HW statistics overflow Min Hu (Connor)
2022-05-05 12:27   ` [PATCH v2 3/7] net/hns3: fix pseudo-sharing between threads Min Hu (Connor)
2022-05-05 12:27   ` [PATCH v2 4/7] net/hns3: fix more mbufs are freed when Tx done cleanup Min Hu (Connor)
2022-05-05 12:27   ` [PATCH v2 5/7] net/hns3: fix RSS disable Min Hu (Connor)
2022-05-05 12:27   ` [PATCH v2 6/7] net/hns3: fix undo rollback when update RSS hash Min Hu (Connor)
2022-05-05 12:27   ` [PATCH v2 7/7] net/hns3: remove redundant RSS tuple field Min Hu (Connor)
2022-05-12  9:51   ` [PATCH v2 0/7] bugfix for hns3 PMD Ferruh Yigit
2022-05-05 12:29 ` [PATCH " Min Hu (Connor)

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