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 7EBDAA0A0B for ; Tue, 26 Jan 2021 19:32:56 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6C247140F4B; Tue, 26 Jan 2021 19:32:56 +0100 (CET) Received: from mail-lj1-f179.google.com (mail-lj1-f179.google.com [209.85.208.179]) by mails.dpdk.org (Postfix) with ESMTP id E6696140F33 for ; Tue, 26 Jan 2021 19:32:54 +0100 (CET) Received: by mail-lj1-f179.google.com with SMTP id s18so7672510ljg.7 for ; Tue, 26 Jan 2021 10:32:54 -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=AnkbjRWgUFQuWI96Jjxyf2fH2TO3ShGWhi5akGNri7UcowbODS+TTCQz88H40lb+vq vgsF2MsJP+RhKqfRhQhyVghi8q0qG8nGnBNKoQ+vFKH2I8qWF7ChcX7+IUFDRFqUpnAB M87bU/AJLk02e1ouyzcJcNtMbJA6nCw6xaX1brQUF0AgNjVTlh7xGWqjONhEVumwOdud vMPx/P0mNHgfdzkyMFAax0IDj0Yy1gJMd/ydwAGs4Agi8AZy58gO5o1OJUKcj4QrdS0P LPiXNdzJmIkMKrwDfSe7fGcYDy/cv10cbb79LL/lVhMA+/1evYvsqR70Cww5KmaMdokB Zbbw== 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=Ei3OdHnnlkCwWGgxEzkGlBx1TUg85KPuRJQEPazlSuZdCdicZncN4ZcRLgnGoO52ba HoXR05STCI7f/GE++eXlflC41t4ipmlNDC+NEMZGC3VTvCZzRDiv8XL5A6uiKhHnVhTW rHLKDba36BRwDYzGA214a02l6j//9gTFIZhd++34+lnM2ze1z7L/geXF6Fs4mjXVxqT2 /DrGKL7u+/fZPxTdaaK1Pl8nyPzYFXqjl1oL8jUIZHhNnibaf2a4PX/FyxumN+FVJ7MD fQbSoeJng58O2fm6aSnlGXgnF/K0/eJ4hEZ7kc3lt+F5wtpi8vep5/XaGvV31oAkPGqB cioA== X-Gm-Message-State: AOAM532rN1lmkZBsK/n5RJmKgRQYz0sPDS80QrvC4gGJw1jB4Susx3Xf uxLHkZ1zqoHoAIFN0+uUAM5ZgQ== X-Google-Smtp-Source: ABdhPJzC4w4fodL1NU0TXtmGmt7BEDP4S82KiqF7CPf/rfgnPyCzY/L7mkcL1kpOIfs0yzTIxhQYJA== X-Received: by 2002:a2e:bc0e:: with SMTP id b14mr3528247ljf.212.1611685974536; Tue, 26 Jan 2021 10:32:54 -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 s3sm3351036ljo.41.2021.01.26.10.32.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Jan 2021 10:32:53 -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: Tue, 26 Jan 2021 19:32:22 +0100 Message-Id: <20210126183226.2420903-2-mk@semihalf.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210126183226.2420903-1-mk@semihalf.com> References: <20210126183226.2420903-1-mk@semihalf.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-stable] [PATCH v2 1/5] 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