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GET /api/patches/75538/?format=api
{ "id": 75538, "url": "http://patches.dpdk.org/api/patches/75538/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1597360905-74106-17-git-send-email-navasile@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": "<1597360905-74106-17-git-send-email-navasile@linux.microsoft.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1597360905-74106-17-git-send-email-navasile@linux.microsoft.com", "date": "2020-08-13T23:21:39", "name": "[16/22] uio: Wrap call into try/except block", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "6202e1fdb007b18ecfcaa62c90e8cd9e9fff49c6", "submitter": { "id": 1668, "url": "http://patches.dpdk.org/api/people/1668/?format=api", "name": "Narcisa Ana Maria Vasile", "email": "navasile@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/1597360905-74106-17-git-send-email-navasile@linux.microsoft.com/mbox/", "series": [ { "id": 11644, "url": "http://patches.dpdk.org/api/series/11644/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=11644", "date": "2020-08-13T23:21:23", "name": "windows/netuio: add netuio driver for Windows", "version": 1, "mbox": "http://patches.dpdk.org/series/11644/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/75538/comments/", "check": "warning", "checks": "http://patches.dpdk.org/api/patches/75538/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 dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id AF434A04B1;\n\tFri, 14 Aug 2020 01:25:43 +0200 (CEST)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id B11CB1C1DC;\n\tFri, 14 Aug 2020 01:23:08 +0200 (CEST)", "from linux.microsoft.com (linux.microsoft.com [13.77.154.182])\n by dpdk.org (Postfix) with ESMTP id BD9081C0D5\n for <dev@dpdk.org>; Fri, 14 Aug 2020 01:22:45 +0200 (CEST)", "by linux.microsoft.com (Postfix, from userid 1059)\n id 3D59520B476E; Thu, 13 Aug 2020 16:22:43 -0700 (PDT)" ], "DKIM-Filter": "OpenDKIM Filter v2.11.0 linux.microsoft.com 3D59520B476E", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com;\n s=default; t=1597360964;\n bh=nx76Tcz5cHRIkPOyvXwLEjE8DjreYmPGtBVLHUeNEag=;\n h=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n b=cLTHjQfJwdnCxU8rXnRrRbUFB/p/FmnVjmjQQs4POyI+gXY6XWsBjRnB/yzM5Rv46\n aGSgO9kc359s05Ez/mbvaglQhRYX0uiKoV1xDbCIwY9vMigh/RDJrXgEpHd/4vMXh3\n BlhQL4pqYGLv28wGoHwAXYa4ep7Rv6lb/Sy75UaY=", "From": "Narcisa Ana Maria Vasile <navasile@linux.microsoft.com>", "To": "dev@dpdk.org, thomas@monjalon.net, haramakr@linux.microsoft.com,\n ocardona@microsoft.com, pallavi.kadam@intel.com, dmitry.kozliuk@gmail.com", "Cc": "ranjit.menon@intel.com, dmitrym@microsoft.com,\n Narcisa Vasile <navasile@microsoft.com>", "Date": "Thu, 13 Aug 2020 16:21:39 -0700", "Message-Id": "<1597360905-74106-17-git-send-email-navasile@linux.microsoft.com>", "X-Mailer": "git-send-email 1.8.3.1", "In-Reply-To": "<1597360905-74106-1-git-send-email-navasile@linux.microsoft.com>", "References": "<1597360905-74106-1-git-send-email-navasile@linux.microsoft.com>", "Subject": "[dpdk-dev] [PATCH 16/22] uio: Wrap call into try/except block", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "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", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "From: Narcisa Vasile <navasile@microsoft.com>\n\nMmMapLockedPagesSpecifyCache can raise an exception when\nit cannot map the specified pages.\n\nSigned-off-by: Narcisa Vasile <navasile@microsoft.com>\nReported-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>\n---\n kernel/windows/netuio/netuio_queue.c | 36 ++++++++++++++++++----------\n 1 file changed, 23 insertions(+), 13 deletions(-)", "diff": "diff --git a/kernel/windows/netuio/netuio_queue.c b/kernel/windows/netuio/netuio_queue.c\nindex 9c7ff7d06..c2bc998dc 100644\n--- a/kernel/windows/netuio/netuio_queue.c\n+++ b/kernel/windows/netuio/netuio_queue.c\n@@ -53,13 +53,18 @@ netuio_map_address_into_user_process(_In_ PNETUIO_CONTEXT_DATA netuio_contextdat\n \n // Map the scratch memory regions to the user's process context\n MmBuildMdlForNonPagedPool(netuio_contextdata->dpdk_seg.mdl);\n- netuio_contextdata->dpdk_seg.mem.user_mapped_virt_addr =\n- MmMapLockedPagesSpecifyCache(\n- netuio_contextdata->dpdk_seg.mdl, UserMode, MmCached,\n- NULL, FALSE, (NormalPagePriority | MdlMappingNoExecute));\n+ __try {\n+ netuio_contextdata->dpdk_seg.mem.user_mapped_virt_addr =\n+ MmMapLockedPagesSpecifyCache(netuio_contextdata->dpdk_seg.mdl, UserMode,\n+ MmCached, NULL, FALSE, NormalPagePriority);\n \n- if (netuio_contextdata->dpdk_seg.mem.user_mapped_virt_addr == NULL) {\n- status = STATUS_INSUFFICIENT_RESOURCES;\n+ if (netuio_contextdata->dpdk_seg.mem.user_mapped_virt_addr == NULL) {\n+ status = STATUS_INSUFFICIENT_RESOURCES;\n+ goto end;\n+ }\n+ }\n+ __except (EXCEPTION_EXECUTE_HANDLER) {\n+ status = GetExceptionCode();\n goto end;\n }\n \n@@ -70,13 +75,18 @@ netuio_map_address_into_user_process(_In_ PNETUIO_CONTEXT_DATA netuio_contextdat\n }\n \n MmBuildMdlForNonPagedPool(netuio_contextdata->dpdk_hw[idx].mdl);\n- netuio_contextdata->dpdk_hw[idx].mem.user_mapped_virt_addr =\n- MmMapLockedPagesSpecifyCache(\n- netuio_contextdata->dpdk_hw[idx].mdl, UserMode, MmCached,\n- NULL, FALSE, (NormalPagePriority | MdlMappingNoExecute));\n-\n- if (netuio_contextdata->dpdk_hw[idx].mem.user_mapped_virt_addr == NULL) {\n- status = STATUS_INSUFFICIENT_RESOURCES;\n+ __try {\n+ netuio_contextdata->dpdk_hw[idx].mem.user_mapped_virt_addr =\n+ MmMapLockedPagesSpecifyCache(netuio_contextdata->dpdk_hw[idx].mdl, UserMode,\n+ MmCached, NULL, FALSE, NormalPagePriority);\n+\n+ if (netuio_contextdata->dpdk_hw[idx].mem.user_mapped_virt_addr == NULL) {\n+ status = STATUS_INSUFFICIENT_RESOURCES;\n+ goto end;\n+ }\n+ }\n+ __except (EXCEPTION_EXECUTE_HANDLER) {\n+ status = GetExceptionCode();\n goto end;\n }\n }\n", "prefixes": [ "16/22" ] }