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 23B1641E6D; Fri, 10 Mar 2023 23:16:25 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B167442D0D; Fri, 10 Mar 2023 23:15:45 +0100 (CET) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 316A7410D0 for ; Fri, 10 Mar 2023 23:15:37 +0100 (CET) Received: by linux.microsoft.com (Postfix, from userid 1086) id 0F7FA2044738; Fri, 10 Mar 2023 14:15:35 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 0F7FA2044738 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1678486536; bh=l5DHQhGSz5WOGqseAA5itL7h2u6vc9IgEAwWpebd87k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B4YIXhPlpH+lDtZac6V8B2U2z2njP8AC3MaEy1p/iFMVtl+Vh0kRwadrojANGhdtC /RI3Pt92EcZv7nrvqryz3QNFGfXMTRN08IHZeUyfYtTL+giuv1TFf21SznLkBb+BuZ S7LwJBzrOKPJF+fbtmcP//dUyJh68q+2FQzQ/RHk= From: Tyler Retzlaff To: dev@dpdk.org Cc: Honnappa.Nagarahalli@arm.com, Ruifeng.Wang@arm.com, thomas@monjalon.net, Tyler Retzlaff Subject: [PATCH 11/16] raw/ifpga: use previous value atomic fetch operations Date: Fri, 10 Mar 2023 14:15:25 -0800 Message-Id: <1678486530-20688-12-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1678486530-20688-1-git-send-email-roretzla@linux.microsoft.com> References: <1678486530-20688-1-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/raw/ifpga/ifpga_rawdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/raw/ifpga/ifpga_rawdev.c b/drivers/raw/ifpga/ifpga_rawdev.c index 1020adc..ae3f79d 100644 --- a/drivers/raw/ifpga/ifpga_rawdev.c +++ b/drivers/raw/ifpga/ifpga_rawdev.c @@ -573,7 +573,7 @@ static int set_surprise_link_check_aer( dev->poll_enabled = 0; - if (!__atomic_sub_fetch(&ifpga_monitor_refcnt, 1, __ATOMIC_RELAXED) && + if (!(__atomic_fetch_sub(&ifpga_monitor_refcnt, 1, __ATOMIC_RELAXED) - 1) && ifpga_monitor_start_thread) { ret = pthread_cancel(ifpga_monitor_start_thread); if (ret) -- 1.8.3.1