[PATCH v1 4/5] linux-user: log page table changes under -d page

[Alex Bennée]

The CPU_LOG_PAGE flag is woefully underused and could stand to do
extra duty tracking page changes. If the user doesn't want to see the
details as things change they still have the tracepoints available.

Signed-off-by: Alex Bennée <address@hidden>
---
 linux-user/mmap.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index a2c7037f1b6..c2755fcba1f 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -18,6 +18,7 @@
  */
 #include "qemu/osdep.h"
 #include "trace.h"
+#include "exec/log.h"
 #include "qemu.h"
 
 //#define DEBUG_MMAP
@@ -578,10 +579,12 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int 
prot,
     page_set_flags(start, start + len, prot | PAGE_VALID);
  the_end:
     trace_target_mmap_complete(start);
-#ifdef DEBUG_MMAP
-    page_dump(stdout);
-    printf("\n");
-#endif
+    if (qemu_loglevel_mask(CPU_LOG_PAGE)) {
+        qemu_log_lock();
+        qemu_log("new page @ 0x"TARGET_ABI_FMT_lx" updates page map:\n", 
start);
+        log_page_dump();
+        qemu_log_unlock();
+    }
     tb_invalidate_phys_range(start, start + len);
     mmap_unlock();
     return start;
-- 
2.20.1