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Tue, 29 Sep 2020 09:11:57 +0000 From: Sherry Sun To: sudeep.dutt@intel.com, ashutosh.dixit@intel.com, arnd@arndb.de, gregkh@linuxfoundation.org Cc: linux-kernel@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH V2 0/4] Fix some bugs of the vop driver and mpssd user space tool Date: Tue, 29 Sep 2020 17:11:02 +0800 Message-Id: <20200929091106.24624-1-sherry.sun@nxp.com> X-Mailer: git-send-email 2.17.1 Content-Type: text/plain X-ClientProxiedBy: SG2PR02CA0008.apcprd02.prod.outlook.com (2603:1096:3:17::20) To VI1PR04MB4960.eurprd04.prod.outlook.com (2603:10a6:803:57::21) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from nxp.ap.freescale.net (119.31.174.71) by SG2PR02CA0008.apcprd02.prod.outlook.com (2603:1096:3:17::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3412.20 via Frontend Transport; Tue, 29 Sep 2020 09:11:55 +0000 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 1b28ed31-f949-4d80-5f80-08d86457b71e X-MS-TrafficTypeDiagnostic: VI1PR04MB4751: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; 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Change the way of copy data from ubuf to dbuf in patch4. Reuse the allocated vvr->buf as the temp buffer and add a loop for multiple copies if there are too much data. This patchset fix some bugs about the vop driver and Intel MIC user space tool. Sherry Sun (4): samples: mpssd: fix the build errors when enable DEBUG in mpssd.c misc: vop: build VOP based on CONFIG_VOP misc: vop: add round_up(x,4) for vring_size to avoid kernel panic mic: vop: copy data to kernel space then write to io memory drivers/misc/mic/vop/Makefile | 2 +- drivers/misc/mic/vop/vop_main.c | 2 +- drivers/misc/mic/vop/vop_vringh.c | 24 ++++++++++++++++-------- samples/mic/mpssd/mpssd.c | 24 ++++++++++++------------ 4 files changed, 30 insertions(+), 22 deletions(-) -- 2.17.1