Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Alistair Popple <apopple@nvidia.com>
To:     akpm@linux-foundation.org
Cc:     ajd@linux.ibm.com, catalin.marinas@arm.com, fbarrat@linux.ibm.com,
        iommu@lists.linux.dev, jgg@ziepe.ca, jhubbard@nvidia.com,
        kevin.tian@intel.com, kvm@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org,
        mpe@ellerman.id.au, nicolinc@nvidia.com, npiggin@gmail.com,
        robin.murphy@arm.com, seanjc@google.com, will@kernel.org,
        x86@kernel.org, zhi.wang.linux@gmail.com, sj@kernel.org,
        Alistair Popple <apopple@nvidia.com>
Subject: [PATCH v3 2/5] mmu_notifiers: Fixup comment in mmu_interval_read_begin()
Date:   Thu, 20 Jul 2023 18:39:24 +1000
Message-Id: <06fa82756e4d6458895962a7743cc7f162658a54.1689842332.git-series.apopple@nvidia.com>
In-Reply-To: <cover.b24362332ec6099bc8db4e8e06a67545c653291d.1689842332.git-series.apopple@nvidia.com>
References: <cover.b24362332ec6099bc8db4e8e06a67545c653291d.1689842332.git-series.apopple@nvidia.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?qCUN7qdsU7Ongh1mMS76qCO72xN+/RqD5YHQAwUkrveGbNzXZ7WuMZEi/RF8?=
 =?us-ascii?Q?xZwgBd3ng2KbxVo+SWsqgRhv2fze2oIr6mO639CtOmCxRLgFo01AJ6DknYsC?=
 =?us-ascii?Q?6IwswUZWHPAXkWT5XFQvL8DvnBFkDQb4iSnk+/ZgOh+YfpF6+5VPoPnKA5K6?=
 =?us-ascii?Q?gtCWmBjj65s9zwHTbFzk06WS6P0Ec1VpWpUTpDBDlOONZv+OK2OsWhH2x8cm?=
 =?us-ascii?Q?tF1gyJsuQGIHgV++Rp7Svia15rjEvT/F1GbW8dQUWk9oLixC+5R2mINHLfG0?=
 =?us-ascii?Q?EPywjbjqu6x1OUiO9I+Cz3DH0o1goI+ZlOed71HHr40+RvA6Y0A7TAbGw6k7?=
 =?us-ascii?Q?3m3zrbDGc5rG/1hRkubpDuysJfnYby4c7Y9ooeTatqBJJOQTmRvecy2RY7qE?=
 =?us-ascii?Q?QB3DJitBojNpvAHmv0Naj5gpWGxWQdI3ioOJcCgrELdPdDg7Mk8rUra/MyrU?=
 =?us-ascii?Q?Mqf3qldeLoe+J/H6EqI/Yye7H/cNy1lNDOS0vkpjceaUjeG1SHTjNbgW1xoU?=
 =?us-ascii?Q?7b3iJceZ8wbGd4VDUZD+TW6qjTha88Wd7gVCewwQ2uecV8ysQQHbO9NeIIVa?=
 =?us-ascii?Q?nr2kFtvoBw3rJCm7w+qYvG6MKDPI+FtuN6x756A/7x0ntL6xLOVSVjhzEG5M?=
 =?us-ascii?Q?fES+YZW2MxQ+kCI3CUARcCvS+igFf5kbT4AV+Cnnaf8EnW5KMHgS/5O3NVwT?=
 =?us-ascii?Q?OC5RC/6CPtJKjNJQBfbjSo4kK8dGcgeEWwokQ2lFAbWfRtc8k2yQCcBhkp5B?=
 =?us-ascii?Q?oGmTAv9Hx4Ljaysbp89Hy0g9LA+L8XqA7yBTdCfD5Pmf7YG81fo34B4iVmMb?=
 =?us-ascii?Q?Ty+dkPGYcbnYprEkXHHpsyNgvd7mNpTE15274Xfosb8+oqszrN4OxufdiReB?=
 =?us-ascii?Q?2d7vkaGMs1mzLofRsPWVpH5AiZUL5uCR8HgUrH3s4bklc86ur2VDBzEVnexO?=
 =?us-ascii?Q?wMvbVAq/oNofAD1d/FppOpMK3mYhy03+jNwcalo7q/EoGVwrN2dF5nvmPN67?=
 =?us-ascii?Q?Qxq/OyxHOjuiEh5whqGkWDnvvAajdmMXPSC5lC43owilhQhGLA5HVlITKSKg?=
 =?us-ascii?Q?GGeMT0rvm0iuXLMqEOQcUxe3iig6WqLJrfAyD42tpKYkYcdGwufxSWYTVgSH?=
 =?us-ascii?Q?mx0C72HaBS5LdQnbhi6n2zlzZwntmYk5LKYSI9rfUsM7nI7L+itvBa6HRwYY?=
 =?us-ascii?Q?ctzLj/Qyo8aicfCyiDj+zMT4TpXKgeRB5sWdH062c1/wccQHaYBI8HJ52CUc?=
 =?us-ascii?Q?6nUfoiyumZhg75RMwVi7iUhdXUVEAsBwhMCpt5qkf4wLweCPALlcp+UIwOJx?=
 =?us-ascii?Q?iY24VlmuUHmhvxPn637597fJmCvumnCfz2BRD873WMieAiw0hnOy9aC2J3BI?=
 =?us-ascii?Q?rCNZbkpyfA7nANbDLTNUJPob55a+f7uS2ekOBb3DcCF2AjbVdtHQiwUw9xse?=
 =?us-ascii?Q?vW0yxr48z0MZ3MEsXhMoBF+fkcerSRv8v4ViY6qbeVJChUjMiAzD8A5vxkY2?=
 =?us-ascii?Q?W1YfdJBoqN3zvpW4X68fFb8rydn8BPV3Lr5sOLP4Ienwsjap6/ydsWRy5XnI?=
 =?us-ascii?Q?Voa4FOTLCsPixPjk5Qj3J8NhgQNTZK0t/NVbGX8r?=
X-OriginatorOrg: Nvidia.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 1b834c26-30b5-4686-5146-08db88fce2b4
X-MS-Exchange-CrossTenant-AuthSource: BYAPR12MB3176.namprd12.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jul 2023 08:39:52.0953
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: tInQ6FJ2kzkNrjSLGbp/KoHQPBAJiteOD2LGi/O4vC0tNaD3WT7sJxlDmWe5wvnMCUeuRbjF3GBNIzxUnNJUaA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB7025
X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,
        DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO,
        RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,
        T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

The comment in mmu_interval_read_begin() refers to a function that
doesn't exist and uses the wrong call-back name. The op for mmu
interval notifiers is mmu_interval_notifier_ops->invalidate() so fix
the comment up to reflect that.

Signed-off-by: Alistair Popple <apopple@nvidia.com>
---
 mm/mmu_notifier.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index 50c0dde..b7ad155 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -199,7 +199,7 @@ mmu_interval_read_begin(struct mmu_interval_notifier *interval_sub)
 	 * invalidate_start/end and is colliding.
 	 *
 	 * The locking looks broadly like this:
-	 *   mn_tree_invalidate_start():          mmu_interval_read_begin():
+	 *   mn_itree_inv_start():                 mmu_interval_read_begin():
 	 *                                         spin_lock
 	 *                                          seq = READ_ONCE(interval_sub->invalidate_seq);
 	 *                                          seq == subs->invalidate_seq
@@ -207,7 +207,7 @@ mmu_interval_read_begin(struct mmu_interval_notifier *interval_sub)
 	 *    spin_lock
 	 *     seq = ++subscriptions->invalidate_seq
 	 *    spin_unlock
-	 *     op->invalidate_range():
+	 *     op->invalidate():
 	 *       user_lock
 	 *        mmu_interval_set_seq()
 	 *         interval_sub->invalidate_seq = seq
-- 
git-series 0.9.1