diff options
Diffstat (limited to 'hw/vhost.c')
| -rw-r--r-- | hw/vhost.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/hw/vhost.c b/hw/vhost.c index 8d3ba5b608..43664e7f4d 100644 --- a/hw/vhost.c +++ b/hw/vhost.c @@ -31,11 +31,12 @@ static void vhost_dev_sync_region(struct vhost_dev *dev, vhost_log_chunk_t *to = dev->log + end / VHOST_LOG_CHUNK + 1; uint64_t addr = (start / VHOST_LOG_CHUNK) * VHOST_LOG_CHUNK; - assert(end / VHOST_LOG_CHUNK < dev->log_size); - assert(start / VHOST_LOG_CHUNK < dev->log_size); if (end < start) { return; } + assert(end / VHOST_LOG_CHUNK < dev->log_size); + assert(start / VHOST_LOG_CHUNK < dev->log_size); + for (;from < to; ++from) { vhost_log_chunk_t log; int bit; @@ -277,8 +278,9 @@ static inline void vhost_dev_log_resize(struct vhost_dev* dev, uint64_t size) r = ioctl(dev->control, VHOST_SET_LOG_BASE, &log_base); assert(r >= 0); for (i = 0; i < dev->n_mem_sections; ++i) { - vhost_sync_dirty_bitmap(dev, &dev->mem_sections[i], - 0, (target_phys_addr_t)~0x0ull); + /* Sync only the range covered by the old log */ + vhost_sync_dirty_bitmap(dev, &dev->mem_sections[i], 0, + dev->log_size * VHOST_LOG_CHUNK - 1); } if (dev->log) { g_free(dev->log); |