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Bottomley" , "Martin K. Petersen" , Stanley Chu , Tomas Winkler , Venkat Gopalakrishnan , Subhash Jadavani , open list Subject: RE: [EXT] [PATCH v2 4/7] scsi: ufs: Fix register dump caused sleep in atomic context Thread-Topic: [EXT] [PATCH v2 4/7] scsi: ufs: Fix register dump caused sleep in atomic context Thread-Index: AQHVkrBIJDIFLMJZaUmaGRl7oqgEY6d7B2NQ Date: Mon, 4 Nov 2019 13:48:16 +0000 Message-ID: References: <1572831362-22779-1-git-send-email-cang@codeaurora.org> <1572831362-22779-5-git-send-email-cang@codeaurora.org> In-Reply-To: <1572831362-22779-5-git-send-email-cang@codeaurora.org> Accept-Language: en-150, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-dg-ref: PG1ldGE+PGF0IG5tPSJib2R5LnR4dCIgcD0iYzpcdXNlcnNcYmVhbmh1b1xhcHBkYXRhXHJvYW1pbmdcMDlkODQ5YjYtMzJkMy00YTQwLTg1ZWUtNmI4NGJhMjllMzViXG1zZ3NcbXNnLWJlODExMjA2LWZmMDktMTFlOS04Yjg1LWRjNzE5NjFmOWRkM1xhbWUtdGVzdFxiZTgxMTIwOC1mZjA5LTExZTktOGI4NS1kYzcxOTYxZjlkZDNib2R5LnR4dCIgc3o9IjQyNyIgdD0iMTMyMTczNDg4OTM3Njc5MDg4IiBoPSJ5c2hhTFlxbzAzdHM2YUdpT0U4ODlIS2tPZUE9IiBpZD0iIiBibD0iMCIgYm89IjEiLz48L21ldGE+ x-dg-rorf: true authentication-results: spf=none (sender IP is ) smtp.mailfrom=beanhuo@micron.com; x-originating-ip: [165.225.81.21] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: eeb51a8d-fe67-4591-0925-08d7612da4eb x-ms-traffictypediagnostic: BN7PR08MB5092:|BN7PR08MB5092:|BN7PR08MB5092: x-microsoft-antispam-prvs: x-ms-exchange-transport-forked: True x-ms-oob-tlc-oobclassifiers: OLM:2657; x-forefront-prvs: 0211965D06 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(396003)(376002)(346002)(39860400002)(136003)(366004)(199004)(189003)(52536014)(2906002)(71200400001)(76116006)(66946007)(11346002)(66066001)(7736002)(6436002)(25786009)(229853002)(5660300002)(476003)(71190400001)(256004)(7416002)(8676002)(66476007)(8936002)(81156014)(64756008)(66556008)(66446008)(33656002)(305945005)(2201001)(55016002)(81166006)(6116002)(3846002)(446003)(2501003)(4326008)(86362001)(7696005)(55236004)(76176011)(6246003)(486006)(110136005)(99286004)(14454004)(478600001)(54906003)(186003)(74316002)(316002)(102836004)(6506007)(558084003)(26005)(9686003);DIR:OUT;SFP:1101;SCL:1;SRVR:BN7PR08MB5092;H:BN7PR08MB5684.namprd08.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: micron.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: TBIKXk/Lfb0tv5qxEusT6uTzBiyW/U13xxatl4ZsW10VvhQnWVq5geRKLX0mGRzB7qU7Bd7sMqHksSWMZHrtPKoMVdx2FfQo15On+YspQV/wMMrqsc88isYgyL8ZWDCuJiPIlDGwwUrY1LqbU3QkTvsOKkPOPdG1phnlV3beY6k64hjAfJoLiYu+yaJPOgbkq/bDLtMDI65u51StGX6cswmePChWXcM8/U8igTbBr+VxWBjQlykcizIFzE/QF2Q0735Irvbd51ZUK2uqSoVGbvNMc2Kpv3/ISlYjtFuy7XPSxGczShoyJQfmWEeYZ/5jrLlrCtPN6o/K4laEAzt0AhkUV6jN4RhT9M4Fk4EnHiLJBPgkjpBBRj94G20z+ofhYqYan6kVaRhDI6Lbn0TLzbMy1GYmd5zIKfd8/E8VZ7a3MUj4LR21d8OoCqikNFK9 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: micron.com X-MS-Exchange-CrossTenant-Network-Message-Id: eeb51a8d-fe67-4591-0925-08d7612da4eb X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Nov 2019 13:48:16.2584 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f38a5ecd-2813-4862-b11b-ac1d563c806f X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: TkXY3olm2aRNLZzHF1ANBCKCGxmlkIP5OvlG0HJoARgA2122jTQd6EITFYdpMM7hgRpyZK40OhlDFoIv4omBAQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PR08MB5092 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >=20 > ufshcd_print_host_regs() can be called by interrupt handler, but it may s= leep due > to ufshcd_dump_regs() allocates the dump buffer memory with flag > GFP_KERNEL. Fix it by changing GFP_KERNEL to GFP_ATMOIC. >=20 > Signed-off-by: Can Guo Reviewed-by: Bean Huo