@@ -1223,12 +1244,44 @@ static int kvm_get_dirty_bitmap_cb(unsigned
long start, unsigned long len,
int kvm_update_dirty_pages_log(void)
{
int r = 0;
+ ram_addr_t now = 0;
+ ram_addr_t end = phys_ram_size;
+ ram_addr_t offset;
+ target_phys_addr_t area_start;
+ ram_addr_t area_size;
+ unsigned char *dirty_bitmap = kvm_dirty_bitmap;
+
+ if (!dirty_bitmap) {
+ printf("%s: no dirty bitmap\n", __FUNCTION__);
+ return -1;
+ }
nitpick: you probably want fprintf(stderr...).
+ while (now < end && !find_phys_area(now, &offset, &area_start,
&area_size)) {
+ if ((offset & ~TARGET_PAGE_MASK) || (area_start &
~TARGET_PAGE_MASK) ||
+ (area_size &
~TARGET_PAGE_MASK)) {
+ printf("%s: invalid mem area\n", __FUNCTION__);
same here.
+ if ((now += offset) >= end) {
+ break;
+ }
+
+ if (area_size > end - now) {
+ return -1;
+ }
any reason why you're handling those two differently?
--
Glauber Costa.
"Free as in Freedom"
http://glommer.net
"The less confident you are, the more serious you have to act."
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