From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D68DCA6019 for ; Thu, 8 Oct 2026 23:38:56 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id DF11840B9A; Fri, 9 Oct 2026 01:37:44 +0200 (CEST) Received: from mail-pf1-f172.google.com (mail-pf1-f172.google.com [209.85.210.172]) by mails.dpdk.org (Postfix) with ESMTP id 64A3D40B99 for ; Fri, 9 Oct 2026 01:37:42 +0200 (CEST) Received: by mail-pf1-f172.google.com with SMTP id d2e1a72fcca58-85377c8bc96so2188583b3a.3 for ; Thu, 08 Oct 2026 16:37:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20251104.gappssmtp.com; s=20251104; t=1791502661; x=1792107461; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=AutbEqXNQU9LPX5AmSCbzwCNp+NpT+lVDpgLHM8sOzo=; b=DpzZZ/TkeL6Yg6TVuej5AHwvc6FPC43/ef2TompboOzy3ptttJ+1k89YDMR3eZZIGT h3tS8TbBjF4W7SjqKS9edNvD7MnsGDvCWeAHyTx8tqf16DJfewfbMeq7R46CiGl6mdhC cDZTj6pY3CDA8hFd85i8LilNtl1BAf4B4ReemG4adiVz7su4HERmpBRkFgjprJZiyTkD 243HcjxTSu+vi606bMH9TF2UI8p7WP4uJv0mKbelml2gqmfQQqi9YqQVsJ/QMFc9dGVb gKco3s9tFgNMmoWEPm+s8DjUJbg3cGVihuasTzCU2lq7qFeCyyEGDtgukYixHwLEztm6 /4ZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791502661; x=1792107461; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=AutbEqXNQU9LPX5AmSCbzwCNp+NpT+lVDpgLHM8sOzo=; b=IGEcwy1hsyr7luAni7ofM9IuyKZVpVt7ssr0dPoa2726gOuW4you68GB30DfWd+FKj P1rQvNvcgKkfDs9hWgzZ+Uu88g+9iGObaPQ1LrpfcJ9bSYHXKjJos2qhGk3laQ6+uhv9 w702R5VLSgoQojQ8k7fNyGw4XdC1OhE7C/SsGgeArsS/3/5XEYbhEN5lioPWrNgwf5Vp wM6727ojMzh4uq0Qt/Z1sMXOuuPVa6yXZITVDvR8Lv4Nk+Z9i0PymHDUq0QkdVlpvHAw 3JBB7FwGk0QJqnswszYG2MkP9ItLhYJwyQ9xBs8czOtMPkFRrJ+AC7rCbSU/ygTYKXjI 2f0g== X-Gm-Message-State: AFq9FYKyifnyO6sVnzwJfnNnl6XHR7mq1/xJpz6PcUrkqGBipfxk9Jfs 5yWkh3gf33MPtCXBM5JvoD0+uq3K0qQ4hm2Eg23J6oz95z542Rn4VX+ZAIN6XA2C6DUwe8JMTqf EXHmhfAI= X-Gm-Gg: AYBFou29waJzitvG20+gcjFc04RP5HcdLBE/BvqK4kU1kuEhdbd9yoTu3TVzaDy0h8K bmBrIadmTv2JDhVMGaYkfeBYJlIQYAQXgApN7tOQ/PdrPiGAvMrin9WORPhpWH5KV81IFU6UyXG JJ7VSBP0DpbfCcSJvc7U5pHcCxesWgcptLWggVFGyY98Evtr93PXO+NsNsoJ+uawks9crGKrzJj gnfpRNgWiwU8TopVm9WaXo/x69ux/uXP0aajz2M1sZ/jgdE+ImzzyTL5lFbiVUc4aR1LwDF3rW9 ilsHSl7d6CGr3puf7gEOlBFrRG/8ZglCK3mImf8AJTxAxGBgAHPSD4RshMsIgXTu45GIas3+Df/ un/trQ2CqvgBocJ9LznOABGBMHi6e+l7sHRTVY7hHUI8RriSIMNGz09u6DauzIUvmAgclrCttvo sQzDHfNEwXKjQiB108krgVdllv0k6nO76/RZzfKsR8OMHtuuZk5Uq5hRXAO8wKGmWOe/jGTcKuX 0eNwMq8HU49JBse5FpoP6BDKoTPcAxriXSWeA== X-Received: by 2002:a05:6a00:4f87:b0:881:1fb6:a81 with SMTP id d2e1a72fcca58-897c3ff538amr72757b3a.3.1791502659873; Thu, 08 Oct 2026 16:37:39 -0700 (PDT) Received: from phoenix.lan (204-195-112-43.wavecable.com. [204.195.112.43]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-896c42b06e9sm187909b3a.42.2026.10.08.16.37.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Oct 2026 16:37:39 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Harman Kalra Subject: [PATCH v3 22/29] mempool/octeontx: use IO barrier in pool destroy Date: Thu, 8 Oct 2026 16:35:15 -0700 Message-ID: <20261008233649.1260843-23-stephen@networkplumber.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261008233649.1260843-1-stephen@networkplumber.org> References: <20260729175715.165120-1-stephen@networkplumber.org> <20261008233649.1260843-1-stephen@networkplumber.org> MIME-Version: 1.0 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 The barrier flushes outstanding writes to the FPA pool before the teardown mailbox sequence. That is ordering against the device, so use rte_io_wmb(). Control path. Signed-off-by: Stephen Hemminger --- drivers/mempool/octeontx/octeontx_fpavf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mempool/octeontx/octeontx_fpavf.c b/drivers/mempool/octeontx/octeontx_fpavf.c index 6cd0fc057f..7051422cb7 100644 --- a/drivers/mempool/octeontx/octeontx_fpavf.c +++ b/drivers/mempool/octeontx/octeontx_fpavf.c @@ -616,8 +616,8 @@ octeontx_fpa_bufpool_destroy(uintptr_t handle, int node_id) RTE_SET_USED(node_id); - /* Wait for all outstanding writes to be committed */ - rte_smp_wmb(); + /* Make outstanding pool writes visible to the device */ + rte_io_wmb(); if (unlikely(!octeontx_fpa_handle_valid(handle))) return -EINVAL; -- 2.53.0