1 files changed, 13 insertions, 0 deletions

diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 64cc582feb9b..2dc093370d2d 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -516,6 +516,19 @@ void amd_iommu_flush_all_domains(void)
                 flush_all_domains_on_iommu(iommu);
 }
 
+static void flush_all_devices_for_iommu(struct amd_iommu *iommu)
+{
+        int i;
+
+        for (i = 0; i <= amd_iommu_last_bdf; ++i) {
+                if (iommu != amd_iommu_rlookup_table[i])
+                        continue;
+
+                iommu_queue_inv_dev_entry(iommu, i);
+                iommu_completion_wait(iommu);
+        }
+}
+
 void amd_iommu_flush_all_devices(void)
 {
         struct amd_iommu *iommu;