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iommu/amd: Remove unused amd_iommus variable

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protection_domain structure is updated to use xarray to track the IOMMUs
attached to the domain. Now domain flush code is not using amd_iommus.
Hence remove this unused variable.

Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20241030063556.6104-6-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Vasant Hegde 2024-10-30 06:35:49 +00:00 committed by Joerg Roedel
parent d16041124d
commit b73c698fd5
2 changed files with 0 additions and 12 deletions
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6
drivers/iommu/amd/amd_iommu_types.h
View File

@ -877,12 +877,6 @@ extern struct list_head amd_iommu_pci_seg_list;
*/
extern struct list_head amd_iommu_list;
/*
* Array with pointers to each IOMMU struct
* The indices are referenced in the protection domains
*/
extern struct amd_iommu *amd_iommus[MAX_IOMMUS];
/*
* Structure defining one entry in the device table
*/

6
drivers/iommu/amd/init.c
View File

@ -177,9 +177,6 @@ LIST_HEAD(amd_iommu_pci_seg_list); /* list of all PCI segments */
LIST_HEAD(amd_iommu_list); /* list of all AMD IOMMUs in the
system */
/* Array to assign indices to IOMMUs*/
struct amd_iommu *amd_iommus[MAX_IOMMUS];
/* Number of IOMMUs present in the system */
static int amd_iommus_present;
@ -1743,9 +1740,6 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h,
return -ENOSYS;
}
/* Index is fine - add IOMMU to the array */
amd_iommus[iommu->index] = iommu;
/*
* Copy data from ACPI table entry to the iommu struct
*/