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{
    "id": 125019,
    "url": "http://patches.dpdk.org/api/patches/125019/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1678486530-20688-5-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": "<1678486530-20688-5-git-send-email-roretzla@linux.microsoft.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1678486530-20688-5-git-send-email-roretzla@linux.microsoft.com",
    "date": "2023-03-10T22:15:18",
    "name": "[04/16] drivers/event: use previous value atomic fetch operations",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "f74991b905b545be6b2a298110be7e468c2d4db0",
    "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/1678486530-20688-5-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/125019/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/125019/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 513FB41E6D;\n\tFri, 10 Mar 2023 23:15:57 +0100 (CET)",
            "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 441AE427E9;\n\tFri, 10 Mar 2023 23:15:41 +0100 (CET)",
            "from linux.microsoft.com (linux.microsoft.com [13.77.154.182])\n by mails.dpdk.org (Postfix) with ESMTP id 6615940EE1\n for <dev@dpdk.org>; Fri, 10 Mar 2023 23:15:36 +0100 (CET)",
            "by linux.microsoft.com (Postfix, from userid 1086)\n id AD0B9204472A; Fri, 10 Mar 2023 14:15:35 -0800 (PST)"
        ],
        "DKIM-Filter": "OpenDKIM Filter v2.11.0 linux.microsoft.com AD0B9204472A",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com;\n s=default; t=1678486535;\n bh=otE2sixznrKBFR/1eJAbIy8PCfBvHB3ehXXuIJxC4v8=;\n h=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n b=jcFTAnyfkpVvLOV11WvbUqDSdzSJGMKfuslfjPK39nSQ8EsbsGTwiZCffKMNl6/gY\n V2t06QAZdJnh9tseBikXhXnWUdP07WM7rckPD+rQtdL3ju9BQIfvZxwKe2UzMmotxH\n hDcNQ0AmlV3/A6YwLfClKV5wNOQjnfUHkAqaWBjk=",
        "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 04/16] drivers/event: use previous value atomic fetch\n operations",
        "Date": "Fri, 10 Mar 2023 14:15:18 -0800",
        "Message-Id": "<1678486530-20688-5-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/event/cnxk/cnxk_tim_worker.h  | 2 +-\n drivers/event/dsw/dsw_event.c         | 4 ++--\n drivers/event/octeontx/timvf_worker.h | 2 +-\n 3 files changed, 4 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/drivers/event/cnxk/cnxk_tim_worker.h b/drivers/event/cnxk/cnxk_tim_worker.h\nindex a326d55..0bd66ec 100644\n--- a/drivers/event/cnxk/cnxk_tim_worker.h\n+++ b/drivers/event/cnxk/cnxk_tim_worker.h\n@@ -123,7 +123,7 @@\n \tconst uint64_t v =\n \t\t~(TIM_BUCKET_W1_M_NUM_ENTRIES << TIM_BUCKET_W1_S_NUM_ENTRIES);\n \n-\treturn __atomic_and_fetch(&bktp->w1, v, __ATOMIC_ACQ_REL);\n+\treturn __atomic_fetch_and(&bktp->w1, v, __ATOMIC_ACQ_REL) & v;\n }\n \n static inline uint64_t\ndiff --git a/drivers/event/dsw/dsw_event.c b/drivers/event/dsw/dsw_event.c\nindex 9932caf..cbdc03f 100644\n--- a/drivers/event/dsw/dsw_event.c\n+++ b/drivers/event/dsw/dsw_event.c\n@@ -45,8 +45,8 @@\n \t * allocation.\n \t */\n \tnew_total_on_loan =\n-\t    __atomic_add_fetch(&dsw->credits_on_loan, acquired_credits,\n-\t\t\t       __ATOMIC_RELAXED);\n+\t    __atomic_fetch_add(&dsw->credits_on_loan, acquired_credits,\n+\t\t\t       __ATOMIC_RELAXED) + acquired_credits;\n \n \tif (unlikely(new_total_on_loan > dsw->max_inflight)) {\n \t\t/* Some other port took the last credits */\ndiff --git a/drivers/event/octeontx/timvf_worker.h b/drivers/event/octeontx/timvf_worker.h\nindex 3f1e77f..aa729f8 100644\n--- a/drivers/event/octeontx/timvf_worker.h\n+++ b/drivers/event/octeontx/timvf_worker.h\n@@ -135,7 +135,7 @@\n {\n \tconst uint64_t v = ~(TIM_BUCKET_W1_M_NUM_ENTRIES <<\n \t\t\tTIM_BUCKET_W1_S_NUM_ENTRIES);\n-\treturn __atomic_and_fetch(&bktp->w1, v, __ATOMIC_ACQ_REL);\n+\treturn __atomic_fetch_and(&bktp->w1, v, __ATOMIC_ACQ_REL) & v;\n }\n \n static inline struct tim_mem_entry *\n",
    "prefixes": [
        "04/16"
    ]
}