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GET /api/patches/125025/?format=api
http://patches.dpdk.org/api/patches/125025/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1678486530-20688-8-git-send-email-roretzla@linux.microsoft.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1678486530-20688-8-git-send-email-roretzla@linux.microsoft.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1678486530-20688-8-git-send-email-roretzla@linux.microsoft.com", "date": "2023-03-10T22:15:21", "name": "[07/16] net/cxgbe: use previous value atomic fetch operations", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "cfb24bde87cba38bcb6dddc6e539b31677886fa8", "submitter": { "id": 2077, "url": "http://patches.dpdk.org/api/people/2077/?format=api", "name": "Tyler Retzlaff", "email": "roretzla@linux.microsoft.com" }, "delegate": { "id": 1, "url": "http://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1678486530-20688-8-git-send-email-roretzla@linux.microsoft.com/mbox/", "series": [ { "id": 27337, "url": "http://patches.dpdk.org/api/series/27337/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=27337", "date": "2023-03-10T22:15:16", "name": "use __atomic operations returning new value", "version": 1, "mbox": "http://patches.dpdk.org/series/27337/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/125025/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/125025/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id B7E6241E6D;\n\tFri, 10 Mar 2023 23:16:37 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id C5DF042D2D;\n\tFri, 10 Mar 2023 23:15:47 +0100 (CET)", "from linux.microsoft.com (linux.microsoft.com [13.77.154.182])\n by mails.dpdk.org (Postfix) with ESMTP id 2259640EE1\n for <dev@dpdk.org>; Fri, 10 Mar 2023 23:15:37 +0100 (CET)", "by linux.microsoft.com (Postfix, from userid 1086)\n id D2AEF2044732; Fri, 10 Mar 2023 14:15:35 -0800 (PST)" ], "DKIM-Filter": "OpenDKIM Filter v2.11.0 linux.microsoft.com D2AEF2044732", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com;\n s=default; t=1678486535;\n bh=7j7D8kUfuBK/jldRhy5nYO2hqi/yb9RGamw2+sYAs+M=;\n h=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n b=cJeSjLcWY3LwWSLeyjYQy9hM6D8DhUhYUfZYJvtOSm5yTaQPXxvFNMDAnCaskOyao\n 59i73JVOL2MFK0b5M4WQdscrG4Muy8zumpqc6fFueZvrGwv8UzEMlTk3/PoIHG1rYH\n gWM2/i9+hZPA4wqFVo95/e8CImzs4aUmWae3SpFM=", "From": "Tyler Retzlaff <roretzla@linux.microsoft.com>", "To": "dev@dpdk.org", "Cc": "Honnappa.Nagarahalli@arm.com, Ruifeng.Wang@arm.com, thomas@monjalon.net,\n Tyler Retzlaff <roretzla@linux.microsoft.com>", "Subject": "[PATCH 07/16] net/cxgbe: use previous value atomic fetch operations", "Date": "Fri, 10 Mar 2023 14:15:21 -0800", "Message-Id": "<1678486530-20688-8-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 <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "Use __atomic_fetch_{add,and,or,sub,xor} instead of\n__atomic_{add,and,or,sub,xor}_fetch adding the necessary code to\nallow consumption of the resulting value.\n\nSigned-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>\n---\n drivers/net/cxgbe/clip_tbl.c | 2 +-\n drivers/net/cxgbe/mps_tcam.c | 2 +-\n 2 files changed, 2 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/net/cxgbe/clip_tbl.c b/drivers/net/cxgbe/clip_tbl.c\nindex 072fc74..f64b922 100644\n--- a/drivers/net/cxgbe/clip_tbl.c\n+++ b/drivers/net/cxgbe/clip_tbl.c\n@@ -55,7 +55,7 @@ void cxgbe_clip_release(struct rte_eth_dev *dev, struct clip_entry *ce)\n \tint ret;\n \n \tt4_os_lock(&ce->lock);\n-\tif (__atomic_sub_fetch(&ce->refcnt, 1, __ATOMIC_RELAXED) == 0) {\n+\tif (__atomic_fetch_sub(&ce->refcnt, 1, __ATOMIC_RELAXED) - 1 == 0) {\n \t\tret = clip6_release_mbox(dev, ce->addr);\n \t\tif (ret)\n \t\t\tdev_debug(adap, \"CLIP FW DEL CMD failed: %d\", ret);\ndiff --git a/drivers/net/cxgbe/mps_tcam.c b/drivers/net/cxgbe/mps_tcam.c\nindex abbf06e..c7cdf29 100644\n--- a/drivers/net/cxgbe/mps_tcam.c\n+++ b/drivers/net/cxgbe/mps_tcam.c\n@@ -195,7 +195,7 @@ int cxgbe_mpstcam_remove(struct port_info *pi, u16 idx)\n \t\t\t\t\t entry->mask, idx, 1, pi->port_id,\n \t\t\t\t\t false);\n \telse\n-\t\tret = __atomic_sub_fetch(&entry->refcnt, 1, __ATOMIC_RELAXED);\n+\t\tret = __atomic_fetch_sub(&entry->refcnt, 1, __ATOMIC_RELAXED) - 1;\n \n \tif (ret == 0) {\n \t\treset_mpstcam_entry(entry);\n", "prefixes": [ "07/16" ] }{ "id": 125025, "url": "