1 files changed, 11 insertions, 0 deletions
diff --git a/target/i386/sev.c b/target/i386/sev.c
index 6dbdc3c..5ba1384 100644
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -161,6 +161,17 @@ sev_ram_block_removed(RAMBlockNotifier *n, void *host, size_t size)
 {
     int r;
     struct kvm_enc_region range;
+    ram_addr_t offset;
+    MemoryRegion *mr;
+
+    /*
+     * The RAM device presents a memory region that should be treated
+     * as IO region and should not have been pinned.
+     */
+    mr = memory_region_from_host(host, &offset);
+    if (mr && memory_region_is_ram_device(mr)) {
+        return;
+    }
 
     range.addr = (__u64)(unsigned long)host;
     range.size = size;