From: "Tian, Kevin" <kevin.tian@intel.com>
To: Lu Baolu <baolu.lu@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>,
"Raj, Ashok" <ashok.raj@intel.com>,
Christoph Hellwig <hch@infradead.org>,
"Jason Gunthorpe" <jgg@nvidia.com>
Cc: Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
"Liu, Yi L" <yi.l.liu@intel.com>,
"Pan, Jacob jun" <jacob.jun.pan@intel.com>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v2 09/12] iommu/vt-d: Check device list of domain in domain free path
Date: Tue, 14 Jun 2022 06:57:21 +0000 [thread overview]
Message-ID: <BN9PR11MB5276A0A772A7DE19239796B38CAA9@BN9PR11MB5276.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20220614025137.1632762-10-baolu.lu@linux.intel.com>
> From: Lu Baolu <baolu.lu@linux.intel.com>
> Sent: Tuesday, June 14, 2022 10:52 AM
>
> When the IOMMU domain is about to be freed, it should not be set on any
> device. Instead of silently dealing with some bug cases, it's better to
> trigger a warning to report and fix any potential bugs at the first time.
>
> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
next prev parent reply other threads:[~2022-06-14 6:57 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-14 2:51 [PATCH v2 00/12] iommu/vt-d: Optimize the use of locks Lu Baolu
2022-06-14 2:51 ` [PATCH v2 01/12] iommu/vt-d: debugfs: Remove device_domain_lock usage Lu Baolu
2022-06-14 6:43 ` Tian, Kevin
2022-06-14 7:15 ` Baolu Lu
2022-06-15 1:53 ` Baolu Lu
2022-06-15 6:13 ` Tian, Kevin
2022-06-15 13:02 ` Baolu Lu
2022-06-14 2:51 ` [PATCH v2 02/12] iommu/vt-d: Remove for_each_device_domain() Lu Baolu
2022-06-14 2:51 ` [PATCH v2 03/12] iommu/vt-d: Remove clearing translation data in disable_dmar_iommu() Lu Baolu
2022-06-14 6:49 ` Tian, Kevin
2022-06-14 7:21 ` Baolu Lu
2022-06-15 6:22 ` Tian, Kevin
2022-06-15 13:10 ` Baolu Lu
2022-06-16 4:00 ` Tian, Kevin
2022-06-14 2:51 ` [PATCH v2 04/12] iommu/vt-d: Use pci_get_domain_bus_and_slot() in pgtable_walk() Lu Baolu
2022-06-14 2:51 ` [PATCH v2 05/12] iommu/vt-d: Unnecessary spinlock for root table alloc and free Lu Baolu
2022-06-14 2:51 ` [PATCH v2 06/12] iommu/vt-d: Acquiring lock in domain ID allocation helpers Lu Baolu
2022-06-14 6:52 ` Tian, Kevin
2022-06-14 7:22 ` Baolu Lu
2022-06-14 2:51 ` [PATCH v2 07/12] iommu/vt-d: Acquiring lock in pasid manipulation helpers Lu Baolu
2022-06-14 2:51 ` [PATCH v2 08/12] iommu/vt-d: Replace spin_lock_irqsave() with spin_lock() Lu Baolu
2022-06-14 6:56 ` Tian, Kevin
2022-06-14 2:51 ` [PATCH v2 09/12] iommu/vt-d: Check device list of domain in domain free path Lu Baolu
2022-06-14 6:57 ` Tian, Kevin [this message]
2022-06-14 2:51 ` [PATCH v2 10/12] iommu/vt-d: Fold __dmar_remove_one_dev_info() into its caller Lu Baolu
2022-06-14 7:07 ` Tian, Kevin
2022-06-14 7:44 ` Baolu Lu
2022-06-14 2:51 ` [PATCH v2 11/12] iommu/vt-d: Use device_domain_lock accurately Lu Baolu
2022-06-14 7:16 ` Tian, Kevin
2022-06-14 7:47 ` Baolu Lu
2022-06-14 2:51 ` [PATCH v2 12/12] iommu/vt-d: Convert global spinlock into per domain ones Lu Baolu
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