From patchwork Mon Apr 22 15:40:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hernan Vargas X-Patchwork-Id: 139622 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 9DF0E43EDB; Mon, 22 Apr 2024 17:44:10 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6845540A73; Mon, 22 Apr 2024 17:44:03 +0200 (CEST) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) by mails.dpdk.org (Postfix) with ESMTP id 0667140696 for ; Mon, 22 Apr 2024 17:43:59 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713800641; x=1745336641; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dqO6684UslSbvSpGJvjNLBxNSFyLaPPy/6+jNmd5Viw=; b=eeIJYEgvmpxUnY0Sdx5gKwKnY1LcxQAIxZCiSgerDxTH38k/UmxDY3bI 0AnpxKsOu+jVN6tEgT3AzUIemhiDHB0mvPGA2g3KQtvNcx5bidCakxvQ3 ftmTCI7+5oW0qQmfnsyGyCviYEBzt+iZWKOAQ/PXYD7jjMB9zKDmsovsp mbf9tcBKVTCQ1vnTmChIJ6ci49nS5aSs3Po4ttOoxnE6zbyyd1CBoodqP /8YPJVM5a+Fg3Z3Kr05h47Su53kWBFf5emFNFbMcBAi3PwP4HOqDcpBfT B/4ABCIjmfFDQiRMdz9/5bjW/5XJPF/dhv5xpxrEy05rQ+n0E/4SgU22V g==; X-CSE-ConnectionGUID: trHIBlc2S7GsPaqA+BZXjg== X-CSE-MsgGUID: 6D+4qin5Q7m6/4bq6HQWig== X-IronPort-AV: E=McAfee;i="6600,9927,11052"; a="20492706" X-IronPort-AV: E=Sophos;i="6.07,220,1708416000"; d="scan'208";a="20492706" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Apr 2024 08:43:41 -0700 X-CSE-ConnectionGUID: vOvpYQ1MTtS5MI7oU0CiYA== X-CSE-MsgGUID: meMiI4j1Tte5PeInhNxI5A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,220,1708416000"; d="scan'208";a="28567536" Received: from unknown (HELO csl-npg-qt0.la.intel.com) ([10.233.181.103]) by fmviesa003.fm.intel.com with ESMTP; 22 Apr 2024 08:43:40 -0700 From: Hernan Vargas To: dev@dpdk.org, gakhil@marvell.com, trix@redhat.com, maxime.coquelin@redhat.com Cc: nicolas.chautru@intel.com, qi.z.zhang@intel.com, Hernan Vargas Subject: [PATCH v1 3/5] baseband/acc: move memory barrier Date: Mon, 22 Apr 2024 08:40:06 -0700 Message-Id: <20240422154008.119800-4-hernan.vargas@intel.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20240422154008.119800-1-hernan.vargas@intel.com> References: <20240422154008.119800-1-hernan.vargas@intel.com> MIME-Version: 1.0 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 Moving memory barrier so that dequeue thread can be in sync with enqueue thread. Signed-off-by: Hernan Vargas --- drivers/baseband/acc/acc_common.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/baseband/acc/acc_common.h b/drivers/baseband/acc/acc_common.h index fddeb0737b8b..e249f37e38fe 100644 --- a/drivers/baseband/acc/acc_common.h +++ b/drivers/baseband/acc/acc_common.h @@ -1112,6 +1112,9 @@ acc_dma_enqueue(struct acc_queue *q, uint16_t n, req_elem_addr, (void *)q->mmio_reg_enqueue); + q->aq_enqueued++; + q->sw_ring_head += enq_batch_size; + rte_wmb(); /* Start time measurement for enqueue function offload. */ @@ -1122,8 +1125,6 @@ acc_dma_enqueue(struct acc_queue *q, uint16_t n, queue_stats->acc_offload_cycles += rte_rdtsc_precise() - start_time; - q->aq_enqueued++; - q->sw_ring_head += enq_batch_size; n -= enq_batch_size; } while (n);