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GET /api/patches/655887/?format=api
{ "id": 655887, "url": "http://patchwork.ozlabs.org/api/patches/655887/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1470335825-15534-4-git-send-email-bimmy.pujari@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1470335825-15534-4-git-send-email-bimmy.pujari@intel.com>", "list_archive_url": null, "date": "2016-08-04T18:37:03", "name": "[next,S41-V2,3/5] i40e: refactor tail_bump check", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "fa19aff80847f59fe2004f213dc88e6b7f39c414", "submitter": { "id": 68919, "url": "http://patchwork.ozlabs.org/api/people/68919/?format=api", "name": "Pujari, Bimmy", "email": "bimmy.pujari@intel.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1470335825-15534-4-git-send-email-bimmy.pujari@intel.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/655887/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/655887/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@lists.osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Received": [ "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3s4zFf3kQ2z9sRZ\n\tfor <incoming@patchwork.ozlabs.org>;\n\tFri, 5 Aug 2016 04:37:42 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id 16D7D2F226;\n\tThu, 4 Aug 2016 18:37:41 +0000 (UTC)", "from silver.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id KNxLFHjA8srG; Thu, 4 Aug 2016 18:37:36 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby silver.osuosl.org (Postfix) with ESMTP id 20E643099D;\n\tThu, 4 Aug 2016 18:37:35 +0000 (UTC)", "from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n\tby ash.osuosl.org (Postfix) with ESMTP id 37C161CEA96\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 4 Aug 2016 18:37:33 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 340CA8A23D\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 4 Aug 2016 18:37:33 +0000 (UTC)", "from hemlock.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id dfzOsZRVw7SB for <intel-wired-lan@lists.osuosl.org>;\n\tThu, 4 Aug 2016 18:37:32 +0000 (UTC)", "from mga04.intel.com (mga04.intel.com [192.55.52.120])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id B210689F76\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 4 Aug 2016 18:37:32 +0000 (UTC)", "from orsmga001.jf.intel.com ([10.7.209.18])\n\tby fmsmga104.fm.intel.com with ESMTP; 04 Aug 2016 11:37:32 -0700", "from bimmy.jf.intel.com (HELO bimmy.linux1.jf.intel.com)\n\t([134.134.2.177])\n\tby orsmga001.jf.intel.com with ESMTP; 04 Aug 2016 11:37:32 -0700" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos; i=\"5.28,471,1464678000\"; d=\"scan'208\";\n\ta=\"1008560094\"", "From": "Bimmy Pujari <bimmy.pujari@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Thu, 4 Aug 2016 11:37:03 -0700", "Message-Id": "<1470335825-15534-4-git-send-email-bimmy.pujari@intel.com>", "X-Mailer": "git-send-email 2.4.11", "In-Reply-To": "<1470335825-15534-1-git-send-email-bimmy.pujari@intel.com>", "References": "<1470335825-15534-1-git-send-email-bimmy.pujari@intel.com>", "Subject": "[Intel-wired-lan] [next PATCH S41-V2 3/5] i40e: refactor tail_bump\n\tcheck", "X-BeenThere": "intel-wired-lan@lists.osuosl.org", "X-Mailman-Version": "2.1.18-1", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.lists.osuosl.org>", "List-Unsubscribe": "<http://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@lists.osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@lists.osuosl.org?subject=help>", "List-Subscribe": "<http://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@lists.osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@lists.osuosl.org>" }, "content": "From: Carolyn Wyborny <carolyn.wyborny@intel.com>\n\nThis patch refactors tail bump check.\n\nSigned-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>\nChange-ID: Ide0e19171d67d90cb2b06b8dcd4fa791ae120160\n---\n drivers/net/ethernet/intel/i40e/i40e_txrx.c | 6 ++----\n drivers/net/ethernet/intel/i40evf/i40e_txrx.c | 6 ++----\n 2 files changed, 4 insertions(+), 8 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c\nindex 5eb9ff2..266608a 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c\n@@ -2849,10 +2849,9 @@ static inline void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,\n \t\t\t\t\t\t I40E_TXD_QW1_CMD_SHIFT);\n \n \t/* notify HW of packet */\n-\tif (!tail_bump)\n+\tif (!tail_bump) {\n \t\tprefetchw(tx_desc + 1);\n-\n-\tif (tail_bump) {\n+\t} else {\n \t\t/* Force memory writes to complete before letting h/w\n \t\t * know there are new descriptors to fetch. (Only\n \t\t * applicable for weak-ordered memory model archs,\n@@ -2861,7 +2860,6 @@ static inline void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,\n \t\twmb();\n \t\twritel(i, tx_ring->tail);\n \t}\n-\n \treturn;\n \n dma_error:\ndiff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c\nindex 5968cc6..f3eb76f 100644\n--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c\n+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c\n@@ -2086,10 +2086,9 @@ static inline void i40evf_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,\n \t\t\t\t\t\t I40E_TXD_QW1_CMD_SHIFT);\n \n \t/* notify HW of packet */\n-\tif (!tail_bump)\n+\tif (!tail_bump) {\n \t\tprefetchw(tx_desc + 1);\n-\n-\tif (tail_bump) {\n+\t} else {\n \t\t/* Force memory writes to complete before letting h/w\n \t\t * know there are new descriptors to fetch. (Only\n \t\t * applicable for weak-ordered memory model archs,\n@@ -2098,7 +2097,6 @@ static inline void i40evf_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,\n \t\twmb();\n \t\twritel(i, tx_ring->tail);\n \t}\n-\n \treturn;\n \n dma_error:\n", "prefixes": [ "next", "S41-V2", "3/5" ] }