Messages in this thread Patch in this message | | | From | Lu Baolu <> | Subject | [PATCH v2 16/17] iommu/vt-d: Remove a useless BUG_ON(dev->is_virtfn) | Date | Thu, 13 Apr 2023 12:06:44 +0800 |
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From: Tina Zhang <tina.zhang@intel.com>
When dmar_alloc_pci_notify_info() is being invoked, the invoker has ensured the dev->is_virtfn is false. So, remove the useless BUG_ON in dmar_alloc_pci_notify_info().
Signed-off-by: Tina Zhang <tina.zhang@intel.com> Link: https://lore.kernel.org/r/20230406065944.2773296-7-tina.zhang@intel.com Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> --- drivers/iommu/intel/dmar.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c index f0f51c957ccb..9346c6e7ebae 100644 --- a/drivers/iommu/intel/dmar.c +++ b/drivers/iommu/intel/dmar.c @@ -127,8 +127,6 @@ dmar_alloc_pci_notify_info(struct pci_dev *dev, unsigned long event) struct pci_dev *tmp; struct dmar_pci_notify_info *info; - BUG_ON(dev->is_virtfn); - /* * Ignore devices that have a domain number higher than what can * be looked up in DMAR, e.g. VMD subdevices with domain 0x10000 -- 2.34.1
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