From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 1FDC2A0A0B for ; Fri, 22 Jan 2021 17:05:13 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0FE0614100E; Fri, 22 Jan 2021 17:05:13 +0100 (CET) Received: from mail-lj1-f178.google.com (mail-lj1-f178.google.com [209.85.208.178]) by mails.dpdk.org (Postfix) with ESMTP id 4D2D7140FF2 for ; Fri, 22 Jan 2021 17:05:11 +0100 (CET) Received: by mail-lj1-f178.google.com with SMTP id u11so7040419ljo.13 for ; Fri, 22 Jan 2021 08:05:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=semihalf-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qAGcbE/8C6YZSmDnpwVlRU0MfE/Vd8NZ+9YBGVzN+kY=; b=m+zlQdLgqoACoC0yqF12WgmmoOsRmGmU3pNgcXo3GzMubiz98bkoCD5Fqyzz4crkol 65FO5VJxfxj8CP6PzetSnl0ogjGRXuZheaYxOuvlzEEktEhfVK0tEkqaQCAX1YCOWyhB Med64Rw2em6viBFwzLgUqcKe+8ThF4eQbSRKWqOpg1O7l89W76ZYHX57oHHOaJj0ugNP d7aGVQRkPU2wQbDb7yjJZc1/ekm1yMo6LOrP+JcaSHYE5GJL5puh6h/voNJOoWLaWzOH wBM2D3+q9eI9a9y1mFW82PFa0z3TvhkIbDzw+1xvRtfTaJwQUWElHGWlosf3a9gqEf4P oivw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qAGcbE/8C6YZSmDnpwVlRU0MfE/Vd8NZ+9YBGVzN+kY=; b=UrFcNkwy+inx3PHENgqXZd9bc5oBOO0P6BoC5jejaUGLKZhYl2ixs5p2sraqay2wq9 IkyETL93D0UF1oXyXXXyefUxMDrHX3Y6Gv13K/56Bk7iPSERnXAK70MQeHMYm1Lz52Ey rpfO3FyGk3xBSHgz2pLujVOUKRJl6OgRllO4FtLgFa3OZ1dWyYGWODAsIKE7iW3sc1TS IuAvF2Lwnmw65BPDVDCWIXWOm6PadSa2K7EP6fN5ykmFcx9LToYIR9mDURGmewLrsyIs oFIIiesQpGqtWzuYGOKsFkhYcgSlrX3+0If7ZyeH5I6Hmlm9E9ji40V8zjt0mS9J8B2v JyUg== X-Gm-Message-State: AOAM532qPzYF1xx/6Zt3q/XqzmBYuRPdh2HHdn47YGzfGoxkekxFhI4+ t0HBsHLQNjK9BEesI0KK7/70MQ== X-Google-Smtp-Source: ABdhPJxCKDb2YL8rLS9TgCt8LQuP7yxy7SshKTLXwc+zqnLY7XH4QxQoisd3pv9RLbd8rlp3sqU0Ow== X-Received: by 2002:a2e:8695:: with SMTP id l21mr563129lji.151.1611331510994; Fri, 22 Jan 2021 08:05:10 -0800 (PST) Received: from mkPC.int.semihalf.com (193-106-246-138.noc.fibertech.net.pl. [193.106.246.138]) by smtp.gmail.com with ESMTPSA id s2sm934063lfs.2.2021.01.22.08.05.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Jan 2021 08:05:10 -0800 (PST) From: Michal Krawczyk To: dev@dpdk.org Cc: gtzalik@amazon.com, igorch@amazon.com, mw@semihalf.com, Ido Segev , stable@dpdk.org, Michal Krawczyk Date: Fri, 22 Jan 2021 17:04:58 +0100 Message-Id: <20210122160501.2273782-2-mk@semihalf.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210122160501.2273782-1-mk@semihalf.com> References: <20210122160501.2273782-1-mk@semihalf.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-stable] [PATCH 1/4] net/ena: flush Rx buffers memory pool cache X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" From: Ido Segev As the refill called as part of ena_start(), we end up the refill progress with stuck buffers at the caller core cache. Calling to flush the cache results with invalidate this cache and free those stuck buffers. Fixes: 1173fca25af9 ("ena: add polling-mode driver") Cc: stable@dpdk.org Signed-off-by: Ido Segev Reviewed-by: Michal Krawczyk Reviewed-by: Igor Chauskin --- drivers/net/ena/ena_ethdev.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c index 20ff3653c6..516e244295 100644 --- a/drivers/net/ena/ena_ethdev.c +++ b/drivers/net/ena/ena_ethdev.c @@ -1246,6 +1246,10 @@ static int ena_queue_start(struct ena_ring *ring) PMD_INIT_LOG(ERR, "Failed to populate rx ring !"); return ENA_COM_FAULT; } + /* Flush per-core RX buffers pools cache as they can be used on other + * cores as well. + */ + rte_mempool_cache_flush(NULL, ring->mb_pool); return 0; } -- 2.25.1