iommu/amd: Suppress IO_PAGE_FAULTs in kdump kernel

[karo-tx-linux.git] / drivers / iommu / amd_iommu.c

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 6498f5baa7ea54cc057f0704e5b354efa7123b02..95ee360a519910b2dd86c31ac39618bc96a2ea38 100644 (file)
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2078,7 +2078,8 @@ static void set_dte_entry(u16 devid, struct protection_domain *domain, bool ats)
                flags    |= tmp;
        }
 
-       flags &= ~(0xffffUL);
+
+       flags &= ~(DTE_FLAG_SA | 0xffffULL);
        flags |= domain->id;
 
        amd_iommu_dev_table[devid].data[1]  = flags;