commit 1f2e98b62d62205de9d52e81aca78e78712af973
author Alex Williamson <alex.williamson@redhat.com> Tue May 03 12:48:09 2011 -0600
committer Aurelien Jarno <aurelien@aurel32.net> Fri Jun 03 22:59:15 2011 +0200
tree dafc7bc15b6bfb6af3a425ab52448cc83b1ed4c6
parent c83066d4c4a13d687d60f1f18c748f934b5a5be6

exec: Implement qemu_ram_free_from_ptr()

Required for regions mapped via qemu_ram_alloc_from_ptr().  VFIO
and ivshmem will make use of this to remove mappings when devices
are hot unplugged.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

exec.c

diff --git a/exec.c b/exec.c
index 8529390..6f339ef 100644
--- a/exec.c
+++ b/exec.c
@@ -2952,6 +2952,19 @@
     return qemu_ram_alloc_from_ptr(dev, name, size, NULL);
 }
 
+void qemu_ram_free_from_ptr(ram_addr_t addr)
+{
+    RAMBlock *block;
+
+    QLIST_FOREACH(block, &ram_list.blocks, next) {
+        if (addr == block->offset) {
+            QLIST_REMOVE(block, next);
+            qemu_free(block);
+            return;
+        }
+    }
+}
+
 void qemu_ram_free(ram_addr_t addr)
 {
     RAMBlock *block;