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Wed, 22 Nov 2023 13:36:54 -0600 From: Brett Creeley To: , , , , , , , CC: , Subject: [PATCH vfio 0/2] hisi_acc_vfio_pci: locking updates Date: Wed, 22 Nov 2023 11:36:32 -0800 Message-ID: <20231122193634.27250-1-brett.creeley@amd.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000989EC:EE_|SA0PR12MB4351:EE_ X-MS-Office365-Filtering-Correlation-Id: a9226c59-114c-4272-2f0b-08dbeb92656e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(376002)(346002)(39860400002)(396003)(136003)(230922051799003)(451199024)(186009)(64100799003)(82310400011)(1800799012)(46966006)(36840700001)(40470700004)(40460700003)(1076003)(16526019)(36860700001)(336012)(26005)(83380400001)(2616005)(6666004)(8676002)(47076005)(4326008)(8936002)(41300700001)(2906002)(44832011)(4744005)(5660300002)(15650500001)(966005)(478600001)(316002)(426003)(54906003)(110136005)(70206006)(70586007)(86362001)(82740400003)(36756003)(81166007)(356005)(40480700001)(36900700001);DIR:OUT;SFP:1101; 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Wed, 22 Nov 2023 11:37:50 -0800 (PST) The vfio/pds series for locking updates/fixes in the following link made some changes that can also be done for other vendor's vfio drivers. Specifically, changing the reset lock from a spinlock to mutex and also calling mutex_destroy() in the vfio device release callback. https://lore.kernel.org/kvm/20231122192532.25791-1-brett.creeley@amd.com/ So, this series makes these changes in order to remain separate from the vfio/pds series linked above. Note, that I don't have the required hardware to test on this vendor's hardware, so help would be appreciated. Brett Creeley (2): hisi_acc_vfio_pci: Change reset_lock to mutex_lock hisi_acc_vfio_pci: Destroy the [state|reset]_mutex on release .../vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 25 +++++++++++++------ .../vfio/pci/hisilicon/hisi_acc_vfio_pci.h | 3 +-- 2 files changed, 19 insertions(+), 9 deletions(-) -- 2.17.1