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GET /api/patches/1135861/?format=api
{ "id": 1135861, "url": "http://patchwork.ozlabs.org/api/patches/1135861/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20190723100144.57435-7-alice.michael@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": "<20190723100144.57435-7-alice.michael@intel.com>", "list_archive_url": null, "date": "2019-07-23T10:01:39", "name": "[next,S8,07/12] i40e: Fix crash caused by stress setting of VF MAC addresses", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "be68f2316981c6f09448e26e51c7010ce072372c", "submitter": { "id": 71123, "url": "http://patchwork.ozlabs.org/api/people/71123/?format=api", "name": "Michael, Alice", "email": "alice.michael@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/20190723100144.57435-7-alice.michael@intel.com/mbox/", "series": [ { "id": 121043, "url": "http://patchwork.ozlabs.org/api/series/121043/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=121043", "date": "2019-07-23T10:01:38", "name": "[next,S8,01/12] i40e: fix shifts of signed values", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/121043/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1135861/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1135861/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@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" ], "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=osuosl.org\n\t(client-ip=140.211.166.138; helo=whitealder.osuosl.org;\n\tenvelope-from=intel-wired-lan-bounces@osuosl.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org;\n\tdmarc=fail (p=none dis=none) header.from=intel.com" ], "Received": [ "from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 45tRfb37pgz9s7T\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 24 Jul 2019 04:22:47 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id F38358475A;\n\tTue, 23 Jul 2019 18:22:45 +0000 (UTC)", "from whitealder.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id 2IBv5VnHSjHS; Tue, 23 Jul 2019 18:22:43 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id BD9CE84E68;\n\tTue, 23 Jul 2019 18:22:42 +0000 (UTC)", "from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138])\n\tby ash.osuosl.org (Postfix) with ESMTP id 20EBC1BF2A5\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 23 Jul 2019 18:22:41 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id 1DE8184DFE\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 23 Jul 2019 18:22:41 +0000 (UTC)", "from whitealder.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id 9n3jdmS4a3mf for <intel-wired-lan@lists.osuosl.org>;\n\tTue, 23 Jul 2019 18:22:40 +0000 (UTC)", "from mga07.intel.com (mga07.intel.com [134.134.136.100])\n\tby whitealder.osuosl.org (Postfix) with ESMTPS id 0EDEE8475A\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 23 Jul 2019 18:22:40 +0000 (UTC)", "from orsmga003.jf.intel.com ([10.7.209.27])\n\tby orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t23 Jul 2019 11:22:37 -0700", "from alicemic-1.jf.intel.com ([10.166.17.62])\n\tby orsmga003.jf.intel.com with ESMTP; 23 Jul 2019 11:22:35 -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-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.64,299,1559545200\"; d=\"scan'208\";a=\"172037675\"", "From": "Alice Michael <alice.michael@intel.com>", "To": "alice.michael@intel.com,\n\tintel-wired-lan@lists.osuosl.org", "Date": "Tue, 23 Jul 2019 06:01:39 -0400", "Message-Id": "<20190723100144.57435-7-alice.michael@intel.com>", "X-Mailer": "git-send-email 2.21.0", "In-Reply-To": "<20190723100144.57435-1-alice.michael@intel.com>", "References": "<20190723100144.57435-1-alice.michael@intel.com>", "MIME-Version": "1.0", "Subject": "[Intel-wired-lan] [next PATCH S8 07/12] i40e: Fix crash caused by\n\tstress setting of VF MAC addresses", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@osuosl.org?subject=help>", "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Cc": "Slawomir Laba <slawomirx.laba@intel.com>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "From: Slawomir Laba <slawomirx.laba@intel.com>\n\nAdd update to the vsi pointer passed to the i40e_set_vf_mac function.\nIf VF is in reset state the driver waits in i40e_set_vf_mac function\nfor the reset to be complete, yet after reset the vsi pointer\nthat was passed into this function is no longer valid.\n\nThe patch updates local vsi pointer directly from pf->vsi array,\nby using the id stored in vf pointer (lan_vsi_idx).\n\nWithout this commit the driver might occasionally invoke general\nprotection fault in kernel and disable the OS entirely.\n\nSigned-off-by: Slawomir Laba <slawomirx.laba@intel.com>\n---\n drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 7 ++++++-\n 1 file changed, 6 insertions(+), 1 deletion(-)", "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c\nindex 7bc4e397d56d..eeb37d83efc9 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c\n@@ -3970,10 +3970,15 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)\n \t/* When the VF is resetting wait until it is done.\n \t * It can take up to 200 milliseconds,\n \t * but wait for up to 300 milliseconds to be safe.\n+\t * If the VF is indeed in reset, the vsi pointer has\n+\t * to show on the newly loaded vsi under pf->vsi[id].\n \t */\n \tfor (i = 0; i < 15; i++) {\n-\t\tif (test_bit(I40E_VF_STATE_INIT, &vf->vf_states))\n+\t\tif (test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {\n+\t\t\tif (i > 0)\n+\t\t\t\tvsi = pf->vsi[vf->lan_vsi_idx];\n \t\t\tbreak;\n+\t\t}\n \t\tmsleep(20);\n \t}\n \tif (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {\n", "prefixes": [ "next", "S8", "07/12" ] }