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 3C3F841EA5; Wed, 15 Mar 2023 22:17:05 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 81CEE42D49; Wed, 15 Mar 2023 22:16:02 +0100 (CET) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 6CD534161A for ; Wed, 15 Mar 2023 22:15:48 +0100 (CET) Received: by linux.microsoft.com (Postfix, from userid 1086) id 378862057021; Wed, 15 Mar 2023 14:15:46 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 378862057021 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1678914947; bh=yih9w3s1MaYWceV5z99Nk1kNmThi86opCjssIuPTuWM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nNLKztg6XZMwzgPDgULXk6ez+Y9WD2aB3Of8VC1CsTmzxUXwGkfWPFLO43jIhG0hK XMXxADN4+p3PMsPI1W4F5CNxVeJugA9aK4E1+zWaY/wON1b8ac6i2X0kbqtg8iijA6 Y63U8LoGvebFxDhMJ4fg1bWW9b1iu6MAvt5gBfEM= From: Tyler Retzlaff To: dev@dpdk.org Cc: Honnappa.Nagarahalli@arm.com, Ruifeng.Wang@arm.com, thomas@monjalon.net, Tyler Retzlaff Subject: [PATCH v2 10/16] net/octeontx: use previous value atomic fetch operations Date: Wed, 15 Mar 2023 14:15:39 -0700 Message-Id: <1678914945-10638-11-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1678914945-10638-1-git-send-email-roretzla@linux.microsoft.com> References: <1678486530-20688-1-git-send-email-roretzla@linux.microsoft.com> <1678914945-10638-1-git-send-email-roretzla@linux.microsoft.com> 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 Use __atomic_fetch_{add,and,or,sub,xor} instead of __atomic_{add,and,or,sub,xor}_fetch adding the necessary code to allow consumption of the resulting value. Signed-off-by: Tyler Retzlaff --- drivers/net/octeontx/octeontx_ethdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c index d52a3e7..a21ed80 100644 --- a/drivers/net/octeontx/octeontx_ethdev.c +++ b/drivers/net/octeontx/octeontx_ethdev.c @@ -559,7 +559,7 @@ enum octeontx_link_speed { return 0; /* Stopping/closing event device once all eth ports are closed. */ - if (__atomic_sub_fetch(&evdev_refcnt, 1, __ATOMIC_ACQUIRE) == 0) { + if (__atomic_fetch_sub(&evdev_refcnt, 1, __ATOMIC_ACQUIRE) - 1 == 0) { rte_event_dev_stop(nic->evdev); rte_event_dev_close(nic->evdev); } -- 1.8.3.1