Update version for 2.9.1 release

[mirror_qemu.git] / xen-mapcache.c

diff --git a/xen-mapcache.c b/xen-mapcache.c
index 31debdfb2c5e50d80fbe1b01e2406751d91c2055..83352666983be60c0c5750fe48df7a65e6d9d7f7 100644 (file)
--- a/xen-mapcache.c
+++ b/xen-mapcache.c
@@ -19,7 +19,7 @@
 #include <xen/hvm/params.h>
 
 #include "sysemu/xen-mapcache.h"
-#include "trace.h"
+#include "trace-root.h"
 
 
 //#define MAPCACHE_DEBUG
@@ -62,6 +62,7 @@ typedef struct MapCacheRev {
     hwaddr paddr_index;
     hwaddr size;
     QTAILQ_ENTRY(MapCacheRev) next;
+    bool dma;
 } MapCacheRev;
 
 typedef struct MapCache {
@@ -202,7 +203,7 @@ static void xen_remap_bucket(MapCacheEntry *entry,
 }
 
 static uint8_t *xen_map_cache_unlocked(hwaddr phys_addr, hwaddr size,
-                                       uint8_t lock)
+                                       uint8_t lock, bool dma)
 {
     MapCacheEntry *entry, *pentry = NULL;
     hwaddr address_index;
@@ -289,6 +290,7 @@ tryagain:
     if (lock) {
         MapCacheRev *reventry = g_malloc0(sizeof(MapCacheRev));
         entry->lock++;
+        reventry->dma = dma;
         reventry->vaddr_req = mapcache->last_entry->vaddr_base + address_offset;
         reventry->paddr_index = mapcache->last_entry->paddr_index;
         reventry->size = entry->size;
@@ -300,12 +302,12 @@ tryagain:
 }
 
 uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size,
-                       uint8_t lock)
+                       uint8_t lock, bool dma)
 {
     uint8_t *p;
 
     mapcache_lock();
-    p = xen_map_cache_unlocked(phys_addr, size, lock);
+    p = xen_map_cache_unlocked(phys_addr, size, lock, dma);
     mapcache_unlock();
     return p;
 }
@@ -426,8 +428,11 @@ void xen_invalidate_map_cache(void)
     mapcache_lock();
 
     QTAILQ_FOREACH(reventry, &mapcache->locked_entries, next) {
-        DPRINTF("There should be no locked mappings at this time, "
-                "but "TARGET_FMT_plx" -> %p is present\n",
+        if (!reventry->dma) {
+            continue;
+        }
+        fprintf(stderr, "Locked DMA mapping while invalidating mapcache!"
+                " "TARGET_FMT_plx" -> %p is present\n",
                 reventry->paddr_index, reventry->vaddr_req);
     }