Impact: add a generic function for releasing protection domains
Signed-off-by: Joerg Roedel <[EMAIL PROTECTED]>
---
arch/x86/kernel/amd_iommu.c | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 5d56cba..fd42926 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -1511,3 +1511,21 @@ out_free:
return -ENOMEM;
}
+
+static void amd_iommu_domain_destroy(struct iommu_domain *dom)
+{
+ struct protection_domain *domain = dom->priv;
+
+ if (!domain)
+ return;
+
+ BUG_ON(domain->dev_cnt);
+
+ free_pagetable(domain);
+
+ domain_id_free(domain->id);
+
+ kfree(domain);
+
+ dom->priv = NULL;
+}
--
1.5.6.4
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