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Wed, 12 May 2021 18:48:52 +0000 From: Liam Howlett To: "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Matthew Wilcox CC: Liam Howlett Subject: [PATCH 1/4] radix tree test suite: Add support for fallthrough attribute Thread-Topic: [PATCH 1/4] radix tree test suite: Add support for fallthrough attribute Thread-Index: AQHXR19zptPJuWt0S0yNBUHtYnlPaA== Date: Wed, 12 May 2021 18:48:52 +0000 Message-ID: <20210512184850.3526677-1-Liam.Howlett@Oracle.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.30.2 authentication-results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=oracle.com; x-originating-ip: [23.233.25.87] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 10c69998-6adf-4bb5-6cc7-08d915769670 x-ms-traffictypediagnostic: CO1PR10MB4785: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:3383; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MWHPR10MB1582.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 10c69998-6adf-4bb5-6cc7-08d915769670 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 May 2021 18:48:52.2800 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: VKau6vLLoJ+gX0IBEplIQDl8WQgczwTLakOKa/wy3Sa0+dFiqh4Q0aPKJ8XXf/jEV7El6WoXjZg0bbzuNetS/A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR10MB4785 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9982 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 spamscore=0 mlxlogscore=999 adultscore=0 phishscore=0 mlxscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2105120121 X-Proofpoint-GUID: wxp1YBpP5suD_hrtEqY9vtaIROMihjoZ X-Proofpoint-ORIG-GUID: wxp1YBpP5suD_hrtEqY9vtaIROMihjoZ X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9982 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 priorityscore=1501 suspectscore=0 clxscore=1011 bulkscore=0 adultscore=0 impostorscore=0 spamscore=0 phishscore=0 mlxlogscore=999 mlxscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2105120121 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for fallthrough on case statements. Note this does *NOT* check for missing fallthrough, but does allow compiling of code with fallthrough in case statements. Signed-off-by: Liam R. Howlett --- tools/testing/radix-tree/linux/kernel.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-= tree/linux/kernel.h index 39867fd80c8f..c400a27e544a 100644 --- a/tools/testing/radix-tree/linux/kernel.h +++ b/tools/testing/radix-tree/linux/kernel.h @@ -23,4 +23,11 @@ #define __must_hold(x) =20 #define EXPORT_PER_CPU_SYMBOL_GPL(x) + +#if __has_attribute(__fallthrough__) +# define fallthrough __attribute__((__fallthrough__)) +#else +# define fallthrough do {} while (0) /* fallthrough */ +#endif /* __has_attribute */ + #endif /* _KERNEL_H */ --=20 2.30.2