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iommu/amd/iommu_v2: Clear pasid state in free path

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Clear pasid state in device amd_iommu_free_device() path. It will make
sure no new ppr notifier is registered in free path.

Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20230609105146.7773-3-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Vasant Hegde 2023-06-09 10:51:46 +00:00 committed by Joerg Roedel
parent 534103bcd5
commit d269ab61f4
1 changed files with 3 additions and 0 deletions
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3
drivers/iommu/amd/iommu_v2.c
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@ -327,6 +327,9 @@ static void free_pasid_states(struct device_state *dev_state)
put_pasid_state(pasid_state);
/* Clear the pasid state so that the pasid can be re-used */
clear_pasid_state(dev_state, pasid_state->pasid);
/*
* This will call the mn_release function and
* unbind the PASID