From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 0B0C9A2EFC for ; Mon, 16 Sep 2019 13:27:49 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id F2AF21C0CA; Mon, 16 Sep 2019 13:27:45 +0200 (CEST) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by dpdk.org (Postfix) with ESMTP id EE42A1C08E; Mon, 16 Sep 2019 13:27:39 +0200 (CEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 743E01000; Mon, 16 Sep 2019 04:27:39 -0700 (PDT) Received: from net-arm-thunderx2-01.test.ast.arm.com (net-arm-thunderx2-01.shanghai.arm.com [10.169.40.40]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 1ABB73F59C; Mon, 16 Sep 2019 04:27:36 -0700 (PDT) From: Gavin Hu To: dev@dpdk.org Cc: nd@arm.com, thomas@monjalon.net, bruce.richardson@intel.com, yong.liu@intel.com, yinan.wang@intel.com, ajit.khaparde@broadcom.com, somnath.kotur@broadcom.com, Honnappa.Nagarahalli@arm.com, ruifeng.wang@arm.com, steve.capper@arm.com, stable@dpdk.org Date: Mon, 16 Sep 2019 19:27:17 +0800 Message-Id: <1568633238-47888-5-git-send-email-gavin.hu@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1568633238-47888-1-git-send-email-gavin.hu@arm.com> References: <1568633238-47888-1-git-send-email-gavin.hu@arm.com> In-Reply-To: <1567751873-15964-1-git-send-email-gavin.hu@arm.com> References: <1567751873-15964-1-git-send-email-gavin.hu@arm.com> Subject: [dpdk-stable] [PATCH v2 4/5] net/bnxt: replace with cio barrier for doorbell resp X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 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" To read the doorbell response, which is held in the host CIO memory, rte_cio_rmb is sufficient. Fixes: 804e746c7b73 ("net/bnxt: add hardware resource manager init code") Cc: stable@dpdk.org Signed-off-by: Gavin Hu --- drivers/net/bnxt/bnxt_hwrm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c index 1d9fb17..2d5dc00 100644 --- a/drivers/net/bnxt/bnxt_hwrm.c +++ b/drivers/net/bnxt/bnxt_hwrm.c @@ -138,7 +138,7 @@ static int bnxt_hwrm_send_message(struct bnxt *bp, void *msg, /* Poll for the valid bit */ for (i = 0; i < HWRM_CMD_TIMEOUT; i++) { /* Sanity check on the resp->resp_len */ - rte_rmb(); + rte_cio_rmb(); if (resp->resp_len && resp->resp_len <= bp->max_resp_len) { /* Last byte of resp contains the valid key */ valid = (uint8_t *)resp + resp->resp_len - 1; -- 2.7.4