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{
    "id": 87096,
    "url": "https://patches.dpdk.org/api/patches/87096/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/20210122160501.2273782-2-mk@semihalf.com/",
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        "id": 1,
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    "msgid": "<20210122160501.2273782-2-mk@semihalf.com>",
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    "date": "2021-01-22T16:04:58",
    "name": "[1/4] net/ena: flush Rx buffers memory pool cache",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "429cb0ff780f509ef0f5fb4539ac400fa1e556bd",
    "submitter": {
        "id": 786,
        "url": "https://patches.dpdk.org/api/people/786/?format=api",
        "name": "Michal Krawczyk",
        "email": "mk@semihalf.com"
    },
    "delegate": {
        "id": 319,
        "url": "https://patches.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@amd.com"
    },
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/20210122160501.2273782-2-mk@semihalf.com/mbox/",
    "series": [
        {
            "id": 14905,
            "url": "https://patches.dpdk.org/api/series/14905/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=14905",
            "date": "2021-01-22T16:04:57",
            "name": "net/ena: minor bug fixes and improvements",
            "version": 1,
            "mbox": "https://patches.dpdk.org/series/14905/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/87096/comments/",
    "check": "success",
    "checks": "https://patches.dpdk.org/api/patches/87096/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "X-Received": "by 2002:a2e:8695:: with SMTP id l21mr563129lji.151.1611331510994;\n Fri, 22 Jan 2021 08:05:10 -0800 (PST)",
        "From": "Michal Krawczyk <mk@semihalf.com>",
        "To": "dev@dpdk.org",
        "Cc": "gtzalik@amazon.com, igorch@amazon.com, mw@semihalf.com,\n Ido Segev <idose@amazon.com>, stable@dpdk.org,\n Michal Krawczyk <mk@semihalf.com>",
        "Date": "Fri, 22 Jan 2021 17:04:58 +0100",
        "Message-Id": "<20210122160501.2273782-2-mk@semihalf.com>",
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        "References": "<20210122160501.2273782-1-mk@semihalf.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[dpdk-dev] [PATCH 1/4] net/ena: flush Rx buffers memory pool cache",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
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        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "From: Ido Segev <idose@amazon.com>\n\nAs the refill called as part of ena_start(), we end up the refill\nprogress with stuck buffers at the caller core cache.\n\nCalling to flush the cache results with invalidate this cache and free\nthose stuck buffers.\n\nFixes: 1173fca25af9 (\"ena: add polling-mode driver\")\nCc: stable@dpdk.org\n\nSigned-off-by: Ido Segev <idose@amazon.com>\nReviewed-by: Michal Krawczyk <mk@semihalf.com>\nReviewed-by: Igor Chauskin <igorch@amazon.com>\n---\n drivers/net/ena/ena_ethdev.c | 4 ++++\n 1 file changed, 4 insertions(+)",
    "diff": "diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c\nindex 20ff3653c6..516e244295 100644\n--- a/drivers/net/ena/ena_ethdev.c\n+++ b/drivers/net/ena/ena_ethdev.c\n@@ -1246,6 +1246,10 @@ static int ena_queue_start(struct ena_ring *ring)\n \t\tPMD_INIT_LOG(ERR, \"Failed to populate rx ring !\");\n \t\treturn ENA_COM_FAULT;\n \t}\n+\t/* Flush per-core RX buffers pools cache as they can be used on other\n+\t * cores as well.\n+\t */\n+\trte_mempool_cache_flush(NULL, ring->mb_pool);\n \n \treturn 0;\n }\n",
    "prefixes": [
        "1/4"
    ]
}