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 99FDD454AA; Wed, 19 Jun 2024 17:01:44 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 89E25427CA; Wed, 19 Jun 2024 17:01:44 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id 82D0C427D0 for ; Wed, 19 Jun 2024 17:01:43 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1718809303; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EfhixO2xDtmZSbeV/Gcn8RQoUcE+xTNIsamppyEcx1Q=; b=hW6WfMbPKnV7Jz8j1zrUKRQ3OFlR8phvEI+C81nSzwaNrjfC8HTWaIbZlnNpzkR/nnsNAh PwX7Y1LnOz0Zf3HKj7dKosZKzEVoC/nkW2Y8cVqDrtBqJZovgkPt3ExphR2B4b3u0Em5Wh lSVDl9/4JvidAJ8F9n3nDofcrRM+jxI= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-231-uVBiV4UQP_uBvwEFOOTCAg-1; Wed, 19 Jun 2024 11:01:39 -0400 X-MC-Unique: uVBiV4UQP_uBvwEFOOTCAg-1 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id F2C0F19560B0; Wed, 19 Jun 2024 15:01:36 +0000 (UTC) Received: from dmarchan.redhat.com (unknown [10.45.225.89]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 5C73E1956053; Wed, 19 Jun 2024 15:01:34 +0000 (UTC) From: David Marchand To: dev@dpdk.org Cc: roretzla@linux.microsoft.com, =?UTF-8?q?Morten=20Br=C3=B8rup?= , Stephen Hemminger , Bruce Richardson , Konstantin Ananyev Subject: [PATCH v12 1/4] net/i40e: use mbuf prefetch helper Date: Wed, 19 Jun 2024 17:01:23 +0200 Message-ID: <20240619150126.1037902-2-david.marchand@redhat.com> In-Reply-To: <20240619150126.1037902-1-david.marchand@redhat.com> References: <1706657173-26166-1-git-send-email-roretzla@linux.microsoft.com> <20240619150126.1037902-1-david.marchand@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Tyler Retzlaff Don't directly access the cacheline1 field in rte_mbuf struct for prefetch instead just use rte_mbuf_prefetch_part2() to prefetch. Signed-off-by: Tyler Retzlaff Reviewed-by: Morten Brørup Acked-by: Stephen Hemminger --- drivers/net/i40e/i40e_rxtx_vec_avx512.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/i40e/i40e_rxtx_vec_avx512.c b/drivers/net/i40e/i40e_rxtx_vec_avx512.c index f3050cd06c..0238b03f8a 100644 --- a/drivers/net/i40e/i40e_rxtx_vec_avx512.c +++ b/drivers/net/i40e/i40e_rxtx_vec_avx512.c @@ -826,7 +826,7 @@ i40e_tx_free_bufs_avx512(struct i40e_tx_queue *txq) free[0] = m; nb_free = 1; for (i = 1; i < n; i++) { - rte_prefetch0(&txep[i + 3].mbuf->cacheline1); + rte_mbuf_prefetch_part2(txep[i + 3].mbuf); m = rte_pktmbuf_prefree_seg(txep[i].mbuf); if (likely(m)) { if (likely(m->pool == free[0]->pool)) { -- 2.45.1