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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT098.mail.protection.outlook.com (10.13.173.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6156.17 via Frontend Transport; Tue, 28 Feb 2023 17:29:22 +0000 Received: from telcodpdk.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Tue, 28 Feb 2023 11:29:16 -0600 From: Ferruh Yigit To: CC: Thomas Monjalon , David Marchand Subject: [PATCH] kni: fix build with Linux 6.3 Date: Tue, 28 Feb 2023 17:29:09 +0000 Message-ID: <20230228172909.2054386-1-ferruh.yigit@amd.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT098:EE_|MW6PR12MB8736:EE_ X-MS-Office365-Filtering-Correlation-Id: de1fe3db-1aaa-4b82-9a25-08db19b1550f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Feb 2023 17:29:22.9267 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: de1fe3db-1aaa-4b82-9a25-08db19b1550f X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT098.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW6PR12MB8736 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org KNI calls `get_user_pages_remote()` API which is using `FOLL_TOUCH` flag, but `FOLL_TOUCH` is no more in public headers since v6.3, causing a build error. `FOLL_*` defines in Linux kernel first moved to another header [1], later some of them moved to memory subsystem internal header [2] for 6.3 Quickly fixing build error by defining it in KNI compatibility header when it is not defined in Linux headers. There is a risk in this approach that if Linux kernel updates flags value and it diverges from the value defined in KNI. [1] Commit b5054174ac7c ("mm: move FOLL_* defs to mm_types.h") [2] Commit 2c2241081f7d ("mm/gup: move private gup FOLL_ flags to internal.h") Signed-off-by: Ferruh Yigit --- kernel/linux/kni/compat.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/kernel/linux/kni/compat.h b/kernel/linux/kni/compat.h index 7aa6cd9fca75..42305799ebbd 100644 --- a/kernel/linux/kni/compat.h +++ b/kernel/linux/kni/compat.h @@ -151,3 +151,8 @@ RHEL_RELEASE_VERSION(9, 1) <= RHEL_RELEASE_CODE)) #define HAVE_NETIF_RX_NI #endif + +/* defined in 'mm/internal.h' since v6.3 */ +#ifndef FOLL_TOUCH +#define FOLL_TOUCH (1 << 16) +#endif -- 2.34.1