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 2CB0E41EA5; Wed, 15 Mar 2023 22:16:49 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6340C42D3B; Wed, 15 Mar 2023 22:15:59 +0100 (CET) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 67FBA410FB for ; Wed, 15 Mar 2023 22:15:48 +0100 (CET) Received: by linux.microsoft.com (Postfix, from userid 1086) id 439A520C56BB; Wed, 15 Mar 2023 14:15:46 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 439A520C56BB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1678914947; bh=l5DHQhGSz5WOGqseAA5itL7h2u6vc9IgEAwWpebd87k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qiMRSVTOld7UJyA93UNxBwRwcSDg8b2fD8RUM1WVRGHVXn9SnzOuxatufs5E0E96E S4rS76BiysQ+OjxcqkBIVh4i1r6gstM2W3SFkEelG2xN6Vv3Db6HlSd8nGcQ9RUZP8 Q0OLzg0wyRiOTWF9LqUfH13RXrqF+8EuHNeeqOfo= From: Tyler Retzlaff To: dev@dpdk.org Cc: Honnappa.Nagarahalli@arm.com, Ruifeng.Wang@arm.com, thomas@monjalon.net, Tyler Retzlaff Subject: [PATCH v2 11/16] raw/ifpga: use previous value atomic fetch operations Date: Wed, 15 Mar 2023 14:15:40 -0700 Message-Id: <1678914945-10638-12-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/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