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GET /api/patches/125334/?format=api
{ "id": 125334, "url": "http://patches.dpdk.org/api/patches/125334/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1679338836-21321-9-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": "<1679338836-21321-9-git-send-email-roretzla@linux.microsoft.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1679338836-21321-9-git-send-email-roretzla@linux.microsoft.com", "date": "2023-03-20T19:00:28", "name": "[v3,08/16] net/iavf: use previous value atomic fetch operations", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "7fadd5f63a4be61c64e427d91cf596bb9364c21d", "submitter": { "id": 2077, "url": "http://patches.dpdk.org/api/people/2077/?format=api", "name": "Tyler Retzlaff", "email": "roretzla@linux.microsoft.com" }, "delegate": { "id": 24651, "url": "http://patches.dpdk.org/api/users/24651/?format=api", "username": "dmarchand", "first_name": "David", "last_name": "Marchand", "email": "david.marchand@redhat.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1679338836-21321-9-git-send-email-roretzla@linux.microsoft.com/mbox/", "series": [ { "id": 27471, "url": "http://patches.dpdk.org/api/series/27471/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=27471", "date": "2023-03-20T19:00:21", "name": "replace __atomic operations returning new value", "version": 3, "mbox": "http://patches.dpdk.org/series/27471/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/125334/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/125334/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 95BB2427E5;\n\tMon, 20 Mar 2023 20:01:35 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id C135A42D0C;\n\tMon, 20 Mar 2023 20:01:10 +0100 (CET)", "from linux.microsoft.com (linux.microsoft.com [13.77.154.182])\n by mails.dpdk.org (Postfix) with ESMTP id 444EF410D0\n for <dev@dpdk.org>; Mon, 20 Mar 2023 20:01:03 +0100 (CET)", "by linux.microsoft.com (Postfix, from userid 1086)\n id 2B57120FB40F; Mon, 20 Mar 2023 12:01:01 -0700 (PDT)" ], "DKIM-Filter": "OpenDKIM Filter v2.11.0 linux.microsoft.com 2B57120FB40F", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com;\n s=default; t=1679338862;\n bh=fAPptoENiYpaSsjEfJQYA6MmcY92Ro6MWRnZgaHlVzs=;\n h=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n b=pvvi58G3h6ABMf0EnH1EmYQFlSiAT8JXrvQ8IN7AAD6RAbQHYrJzJqdVorS/v7/Ku\n TQBEggwyGFGO7j7meM8O1ayUlZx0huazR1zt8KYl9aFUJHr/owK+1R9ZCxS6nK1ZeL\n AhTslu0r+sKXWuBnqQdNdER6eSx3UlSwNluM6bm8=", "From": "Tyler Retzlaff <roretzla@linux.microsoft.com>", "To": "dev@dpdk.org", "Cc": "Honnappa.Nagarahalli@arm.com, Ruifeng.Wang@arm.com, thomas@monjalon.net,\n pbhagavatula@marvell.com, ndabilpuram@marvell.com,\n Tyler Retzlaff <roretzla@linux.microsoft.com>", "Subject": "[PATCH v3 08/16] net/iavf: use previous value atomic fetch operations", "Date": "Mon, 20 Mar 2023 12:00:28 -0700", "Message-Id": "<1679338836-21321-9-git-send-email-roretzla@linux.microsoft.com>", "X-Mailer": "git-send-email 1.8.3.1", "In-Reply-To": "<1679338836-21321-1-git-send-email-roretzla@linux.microsoft.com>", "References": "<1678486530-20688-1-git-send-email-roretzla@linux.microsoft.com>\n <1679338836-21321-1-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>\nReviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>\n---\n drivers/net/iavf/iavf_vchnl.c | 8 ++++----\n 1 file changed, 4 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/net/iavf/iavf_vchnl.c b/drivers/net/iavf/iavf_vchnl.c\nindex 9adaadb..51d4fc7 100644\n--- a/drivers/net/iavf/iavf_vchnl.c\n+++ b/drivers/net/iavf/iavf_vchnl.c\n@@ -120,7 +120,7 @@ struct iavf_event_handler {\n {\n \tstruct iavf_event_handler *handler = &event_handler;\n \n-\tif (__atomic_add_fetch(&handler->ndev, 1, __ATOMIC_RELAXED) != 1)\n+\tif (__atomic_fetch_add(&handler->ndev, 1, __ATOMIC_RELAXED) + 1 != 1)\n \t\treturn 0;\n #if defined(RTE_EXEC_ENV_IS_WINDOWS) && RTE_EXEC_ENV_IS_WINDOWS != 0\n \tint err = _pipe(handler->fd, MAX_EVENT_PENDING, O_BINARY);\n@@ -149,7 +149,7 @@ struct iavf_event_handler {\n {\n \tstruct iavf_event_handler *handler = &event_handler;\n \n-\tif (__atomic_sub_fetch(&handler->ndev, 1, __ATOMIC_RELAXED) != 0)\n+\tif (__atomic_fetch_sub(&handler->ndev, 1, __ATOMIC_RELAXED) - 1 != 0)\n \t\treturn;\n \n \tint unused = pthread_cancel(handler->tid);\n@@ -533,8 +533,8 @@ struct iavf_event_handler {\n \t\t\t\t/* read message and it's expected one */\n \t\t\t\tif (msg_opc == vf->pend_cmd) {\n \t\t\t\t\tuint32_t cmd_count =\n-\t\t\t\t\t__atomic_sub_fetch(&vf->pend_cmd_count,\n-\t\t\t\t\t\t\t1, __ATOMIC_RELAXED);\n+\t\t\t\t\t__atomic_fetch_sub(&vf->pend_cmd_count,\n+\t\t\t\t\t\t\t1, __ATOMIC_RELAXED) - 1;\n \t\t\t\t\tif (cmd_count == 0)\n \t\t\t\t\t\t_notify_cmd(vf, msg_ret);\n \t\t\t\t} else {\n", "prefixes": [ "v3", "08/16" ] }