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McKenney" , Matthew Wilcox , Laurent Dufour , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra , Michel Lespinasse , Liam Howlett Subject: [PATCH 10/94] vfio: Use vma_lookup() instead of find_vma_intersection() Thread-Topic: [PATCH 10/94] vfio: Use vma_lookup() instead of find_vma_intersection() Thread-Index: AQHXPEQpDpFFVy+SMUGUhqj74jLUJw== Date: Wed, 28 Apr 2021 15:35:47 +0000 Message-ID: <20210428153542.2814175-11-Liam.Howlett@Oracle.com> References: <20210428153542.2814175-1-Liam.Howlett@Oracle.com> In-Reply-To: <20210428153542.2814175-1-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: lists.infradead.org; dkim=none (message not signed) header.d=none;lists.infradead.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: 8aa4f42e-02c3-4a7a-6ccf-08d90a5b4bb8 x-ms-traffictypediagnostic: CO1PR10MB4497: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1923; 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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: 8aa4f42e-02c3-4a7a-6ccf-08d90a5b4bb8 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Apr 2021 15:35:47.6865 (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: MkBViDLMRfMynIZD1HEmbMl68xs1tfcG0Ox0Q2I1bGvaita0dWh02NCJ4jX0o2f52EkVYSee+Mwcq0ckOx6tJQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR10MB4497 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9968 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 phishscore=0 spamscore=0 mlxlogscore=999 malwarescore=0 bulkscore=0 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104280101 X-Proofpoint-GUID: uNDd6Y12JsX5GLHRbDED1DNWnNNFlvk4 X-Proofpoint-ORIG-GUID: uNDd6Y12JsX5GLHRbDED1DNWnNNFlvk4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the new vma_lookup() call for abstraction & code readability. Signed-off-by: Liam R. Howlett --- drivers/vfio/vfio_iommu_type1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type= 1.c index a0747c35a778..fb695bf0b1c4 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -567,7 +567,7 @@ static int vaddr_get_pfns(struct mm_struct *mm, unsigne= d long vaddr, vaddr =3D untagged_addr(vaddr); =20 retry: - vma =3D find_vma_intersection(mm, vaddr, vaddr + 1); + vma =3D vma_lookup(mm, vaddr); =20 if (vma && vma->vm_flags & VM_PFNMAP) { ret =3D follow_fault_pfn(vma, mm, vaddr, pfn, prot & IOMMU_WRITE); --=20 2.30.2