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Tue, 15 Jul 2025 12:13:57 -0700 Date: Tue, 15 Jul 2025 12:13:55 -0700 From: Nicolin Chen To: Xu Yilun CC: , , , , , , , , , , , , , Subject: Re: [PATCH v5 8/8] iommufd: Rename some shortterm-related identifiers Message-ID: References: <20250715063245.1799534-1-yilun.xu@linux.intel.com> <20250715063245.1799534-9-yilun.xu@linux.intel.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20250715063245.1799534-9-yilun.xu@linux.intel.com> X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS2PEPF00003442:EE_|DM4PR12MB6088:EE_ X-MS-Office365-Filtering-Correlation-Id: 02b0db7b-ca68-48ca-d0f2-08ddc3d3c6cd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|376014|7416014|82310400026|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?zkooCPE3R2JUC2jFBOheMIzxJfrpidBd0X4+ZMw7IKADAa5mwJ3G5lwoSSun?= =?us-ascii?Q?bdFEKxCEy9fgPXooW+2wfjy5mvEiwFQK4DDJbo2SGG8ZfCpAl6kY+U96QQ1m?= =?us-ascii?Q?CVmI6O1fzbrEkxc4MqYWtmZjQgNURG8pV7v6jXQCidKRH1Zx3PgmhwQoMPy4?= =?us-ascii?Q?6Fc7cNW0IljjwN7d4XMZN6g33md2uG87hBK0v7h0edqQjyrLc1VFyC63WTlh?= =?us-ascii?Q?IKaWOgbGUa3SFDueTJMsthb44xanyl6qb3llX9W403Kf4hBvezYfqKOTYem9?= =?us-ascii?Q?JR/E22r487mhGN6ZUdDlHsnlANT59TwQlvI1IBplXqa4w4sF+FnrB4XWlvBG?= =?us-ascii?Q?P4p9eYbofwbrocv0ry1r0KH50Y33ra9UFsRXq5+jYWABYvf0mrwuvruY/fI9?= =?us-ascii?Q?vKMo+0kfjywxg1wa9GHWkW4xxJK8pC/RkmDw1eJdzacwaxDLYAHoi3fIAp50?= =?us-ascii?Q?OMowWtXGo1S1Uw9LnoOPwolfeOCwRP5Cb738xjjOGyeimJQjkdryUOzikwpF?= =?us-ascii?Q?E4c33OC9/vqjUuiEBDErJyZDCi03D4j9uJ8JIemqW8MBXczf8eHNJYNzBt9i?= =?us-ascii?Q?THiVuvb3q+MS1reVlmMb9Qzaij2mwgM3ESJIji3SKdjnZfS+jPpC1A8W+0L2?= =?us-ascii?Q?A1cPxkUDBEp/RtcFdosvHEm24N5OdYS9Utg0rBuJfdtK3ReUG1JvgE3Jzdhz?= =?us-ascii?Q?8Dg/a2Vru4M90tkfEIOL+bAVIj3OVO7sFwyk47cC6OuaLvdpcX9tcKbFyjPb?= =?us-ascii?Q?NN9ZGOfzq5ZDlK2bu6vZ8VpLt4kQu49FHi6RfUNaoFznJtkc5NVbcnEKQ9c8?= =?us-ascii?Q?BCe9Yh1mtTwS+UOYnSpVkWywlYmXDzXEnZXCy2A6OcEOx1thpbxIRjhprCDc?= =?us-ascii?Q?kxq6EYIZX5q6SjLaOKsuPNK5y258J6TEXtIP0HZLFjogzhIURuz6Pu+h08tA?= =?us-ascii?Q?tRLNosqMpmUoBgHRC3MydVYDxy9jqi+K8KXwBNkCO9eo7pzF03K4QVOpwE+U?= =?us-ascii?Q?r2W7lXZ9mNULGz8t0/RQbMN2GOhRaE5IJDMeW7eC2S+TzzOfyEx0l/HWZHlV?= =?us-ascii?Q?1Kn/I79PtIqRaXZPwylyaJjUwgejswzAXYzblcsLHr0RRMQ+lWwKTfjr9Qw2?= =?us-ascii?Q?TVfcbTsM26JZ7+f1PkRPc/3i7US3i7EsEvt//WWdZzV4SG8Qv5H9teyDLyz7?= =?us-ascii?Q?ldTCvIlxQmnbfTlVEFz3LV85OcFii+8fAvW/g1m/mxm1LJRI0l4T61soluhv?= =?us-ascii?Q?vgxwnOU9Cspjwr2FZu23Rd5Vax+l7w4ByamTN62pMM8gH2x7w6JTf4FHYiSW?= =?us-ascii?Q?4jGgoN53Cu+ioJe19YKmqyDzumfEuMHr+MI57vbQL31jlXEcvaWQ2rr8h9Y6?= =?us-ascii?Q?XezIdflcVQIXwQfBt+Zzztj7wOHlhDDXmYGFI8Gnmvn5hPt0QlXaehdJdyqJ?= =?us-ascii?Q?osfB89qRcoatC5RjNE1PNXzo4PoAR6ORvU8GfO6AEe1b2KohGkkYfQNa0B1l?= =?us-ascii?Q?SnKNTQr8eCSeYqK6zyGU12BjWKIjQ43O+sI1?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(36860700013)(376014)(7416014)(82310400026)(7053199007);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jul 2025 19:14:09.5340 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 02b0db7b-ca68-48ca-d0f2-08ddc3d3c6cd X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS2PEPF00003442.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6088 On Tue, Jul 15, 2025 at 02:32:45PM +0800, Xu Yilun wrote: > Rename the shortterm-related identifiers to wait-related. > > The usage of shortterm_users refcount is now beyond its name. It is > also used for references which live longer than an ioctl execution. > E.g. vdev holds idev's shortterm_users refcount on vdev allocation, > releases it during idev's pre_destroy(). Rename the refcount as > wait_cnt, since it is always used to sync the referencing & the > destruction of the object by waiting for it to go to zero. > > List all changed identifiers: > > iommufd_object::shortterm_users -> iommufd_object::wait_cnt > REMOVE_WAIT_SHORTTERM -> REMOVE_WAIT > iommufd_object_dec_wait_shortterm() -> iommufd_object_dec_wait() > zerod_shortterm -> zerod_wait_cnt > > No functional change intended. > > Suggested-by: Kevin Tian > Suggested-by: Jason Gunthorpe > Signed-off-by: Xu Yilun Reviewed-by: Nicolin Chen