[xen staging] iommu/amd-vi: make IOMMU list ro after init

[patchbot@xxxxxxx]

commit db70a52f751626e3fc7d803dcc18fba2511cf073
Author:     Roger Pau Monné <roger.pau@xxxxxxxxxx>
AuthorDate: Tue Oct 1 09:46:09 2024 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Oct 1 09:46:09 2024 +0200

    iommu/amd-vi: make IOMMU list ro after init
    
    The only functions to modify the list, amd_iommu_detect_one_acpi() and
    amd_iommu_init_cleanup(), are already init.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/drivers/passthrough/amd/iommu_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/drivers/passthrough/amd/iommu_init.c 
b/xen/drivers/passthrough/amd/iommu_init.c
index 6c0dc2d5cb..3023625020 100644
--- a/xen/drivers/passthrough/amd/iommu_init.c
+++ b/xen/drivers/passthrough/amd/iommu_init.c
@@ -32,7 +32,7 @@ unsigned int __read_mostly amd_iommu_acpi_info;
 unsigned int __read_mostly ivrs_bdf_entries;
 u8 __read_mostly ivhd_type;
 static struct radix_tree_root ivrs_maps;
-LIST_HEAD_READ_MOSTLY(amd_iommu_head);
+LIST_HEAD_RO_AFTER_INIT(amd_iommu_head);
 bool iommuv2_enabled;
 
 bool __ro_after_init amd_iommu_perdev_intremap = true;
--
generated by git-patchbot for /home/xen/git/xen.git#staging