memory: obsolete cpu_physical_memory_[gs]et_dirty_tracking()

The getter is no longer used, so it is completely removed.

Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

arch_init.c

diff --git a/arch_init.c b/arch_init.c
index de1886b..66f7a3f 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -251,7 +251,7 @@
     int ret;
 
     if (stage < 0) {
-        cpu_physical_memory_set_dirty_tracking(0);
+        memory_global_dirty_log_stop();
         return 0;
     }
 
@@ -274,8 +274,7 @@
             }
         }
 
-        /* Enable dirty memory tracking */
-        cpu_physical_memory_set_dirty_tracking(1);
+        memory_global_dirty_log_start();
 
         qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
 
@@ -320,7 +319,7 @@
         while ((bytes_sent = ram_save_block(f)) != 0) {
             bytes_transferred += bytes_sent;
         }
-        cpu_physical_memory_set_dirty_tracking(0);
+        memory_global_dirty_log_stop();
     }
 
     qemu_put_be64(f, RAM_SAVE_FLAG_EOS);

cpu-all.h

diff --git a/cpu-all.h b/cpu-all.h
index 4acaa8b..2fdb856 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -566,10 +566,6 @@
                                      int dirty_flags);
 void cpu_tlb_update_dirty(CPUState *env);
 
-int cpu_physical_memory_set_dirty_tracking(int enable);
-
-int cpu_physical_memory_get_dirty_tracking(void);
-
 void dump_exec_info(FILE *f, fprintf_function cpu_fprintf);
 #endif /* !CONFIG_USER_ONLY */
 

exec-obsolete.h

diff --git a/exec-obsolete.h b/exec-obsolete.h
index 3a2faae..880105e 100644
--- a/exec-obsolete.h
+++ b/exec-obsolete.h
@@ -61,6 +61,8 @@
 void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
 void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
 
+int cpu_physical_memory_set_dirty_tracking(int enable);
+
 #endif
 
 #endif

exec.c

diff --git a/exec.c b/exec.c
index a4116d9..28c057c 100644
--- a/exec.c
+++ b/exec.c
@@ -2008,19 +2008,9 @@
 {
     int ret = 0;
     in_migration = enable;
-    if (enable) {
-        memory_global_dirty_log_start();
-    } else {
-        memory_global_dirty_log_stop();
-    }
     return ret;
 }
 
-int cpu_physical_memory_get_dirty_tracking(void)
-{
-    return in_migration;
-}
-
 static inline void tlb_update_dirty(CPUTLBEntry *tlb_entry)
 {
     ram_addr_t ram_addr;

memory.c

diff --git a/memory.c b/memory.c
index f7b3d50..868ffd0 100644
--- a/memory.c
+++ b/memory.c
@@ -1493,6 +1493,7 @@
 {
     MemoryListener *listener;
 
+    cpu_physical_memory_set_dirty_tracking(1);
     global_dirty_log = true;
     QLIST_FOREACH(listener, &memory_listeners, link) {
         listener->log_global_start(listener);
@@ -1507,6 +1508,7 @@
     QLIST_FOREACH(listener, &memory_listeners, link) {
         listener->log_global_stop(listener);
     }
+    cpu_physical_memory_set_dirty_tracking(0);
 }
 
 static void listener_add_address_space(MemoryListener *listener,