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-rw-r--r--drivers/iommu/intel-iommu.c12
-rw-r--r--drivers/iommu/ipmmu-vmsa.c6
-rw-r--r--drivers/iommu/rockchip-iommu.c1
3 files changed, 7 insertions, 12 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 1232336b960e..40dfbc0444c0 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4029,14 +4029,6 @@ static int device_notifier(struct notifier_block *nb,
if (action != BUS_NOTIFY_REMOVED_DEVICE)
return 0;
- /*
- * If the device is still attached to a device driver we can't
- * tear down the domain yet as DMA mappings may still be in use.
- * Wait for the BUS_NOTIFY_UNBOUND_DRIVER event to do that.
- */
- if (action == BUS_NOTIFY_DEL_DEVICE && dev->driver != NULL)
- return 0;
-
domain = find_domain(dev);
if (!domain)
return 0;
@@ -4428,6 +4420,10 @@ static int intel_iommu_attach_device(struct iommu_domain *domain,
domain_remove_one_dev_info(old_domain, dev);
else
domain_remove_dev_info(old_domain);
+
+ if (!domain_type_is_vm_or_si(old_domain) &&
+ list_empty(&old_domain->devices))
+ domain_exit(old_domain);
}
}
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index 68dfb0fd5ee9..748693192c20 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -558,7 +558,7 @@ static pmd_t *ipmmu_alloc_pmd(struct ipmmu_vmsa_device *mmu, pgd_t *pgd,
static u64 ipmmu_page_prot(unsigned int prot, u64 type)
{
- u64 pgprot = ARM_VMSA_PTE_XN | ARM_VMSA_PTE_nG | ARM_VMSA_PTE_AF
+ u64 pgprot = ARM_VMSA_PTE_nG | ARM_VMSA_PTE_AF
| ARM_VMSA_PTE_SH_IS | ARM_VMSA_PTE_AP_UNPRIV
| ARM_VMSA_PTE_NS | type;
@@ -568,8 +568,8 @@ static u64 ipmmu_page_prot(unsigned int prot, u64 type)
if (prot & IOMMU_CACHE)
pgprot |= IMMAIR_ATTR_IDX_WBRWA << ARM_VMSA_PTE_ATTRINDX_SHIFT;
- if (prot & IOMMU_EXEC)
- pgprot &= ~ARM_VMSA_PTE_XN;
+ if (prot & IOMMU_NOEXEC)
+ pgprot |= ARM_VMSA_PTE_XN;
else if (!(prot & (IOMMU_READ | IOMMU_WRITE)))
/* If no access create a faulting entry to avoid TLB fills. */
pgprot &= ~ARM_VMSA_PTE_PAGE;
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index b2023af384b9..6a8b1ec4a48a 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -1009,7 +1009,6 @@ static struct platform_driver rk_iommu_driver = {
.remove = rk_iommu_remove,
.driver = {
.name = "rk_iommu",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(rk_iommu_dt_ids),
},
};