X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_mem.c;h=3a9b16d4a182c9f60778ab1308e7d372472a4ab3;hb=afb634a80f946634454a5d067a92aa600227bd93;hp=659fd279b8471d60ef3c5750c64d47b2bc7ccf9a;hpb=b06d0d0e5e57f5c4163a69efcabe6f96594ad814;p=palacios.git

diff --git a/palacios/src/palacios/vmm_mem.c b/palacios/src/palacios/vmm_mem.c
index 659fd27..3a9b16d 100644
--- a/palacios/src/palacios/vmm_mem.c
+++ b/palacios/src/palacios/vmm_mem.c
@@ -150,6 +150,22 @@ int v3_hook_full_mem(struct guest_info * info, addr_t guest_addr_start, addr_t g
 }
 
 
+// This will unhook the memory hook registered at start address
+// We do not support unhooking subregions
+int v3_unhook_mem(struct guest_info * info, addr_t guest_addr_start) {
+    struct v3_shadow_region * reg = v3_get_shadow_region(info, guest_addr_start);
+
+    if ((reg->host_type != SHDW_REGION_FULL_HOOK) || 
+	(reg->host_type != SHDW_REGION_WRITE_HOOK)) {
+	PrintError("Trying to unhook a non hooked memory region (addr=%p)\n", (void *)guest_addr_start);
+	return -1;
+    }
+
+    v3_delete_shadow_region(info, reg);
+
+    return 0;
+}
+
 
 
 static inline