@@ -407,6 +407,18 @@ static int vhost_user_set_log_base(struct vhost_dev *dev, uint64_t base,
return 0;
}
+static MemoryRegion *vhost_user_get_mr_data(uint64_t addr, ram_addr_t *offset,
+ int *fd)
+{
+ MemoryRegion *mr;
+
+ assert((uintptr_t)addr == addr);
+ mr = memory_region_from_host((void *)(uintptr_t)addr, offset);
+ *fd = memory_region_get_fd(mr);
+
+ return mr;
+}
+
static void vhost_user_fill_msg_region(VhostUserMemoryRegion *dst,
struct vhost_memory_region *src)
{
@@ -433,10 +445,7 @@ static int vhost_user_fill_set_mem_table_msg(struct vhost_user *u,
for (i = 0; i < dev->mem->nregions; ++i) {
reg = dev->mem->regions + i;
- assert((uintptr_t)reg->userspace_addr == reg->userspace_addr);
- mr = memory_region_from_host((void *)(uintptr_t)reg->userspace_addr,
- &offset);
- fd = memory_region_get_fd(mr);
+ mr = vhost_user_get_mr_data(reg->userspace_addr, &offset, &fd);
if (fd > 0) {
if (track_ramblocks) {
assert(*fd_num < VHOST_MEMORY_MAX_NREGIONS);
@@ -1551,13 +1560,9 @@ static bool vhost_user_can_merge(struct vhost_dev *dev,
{
ram_addr_t offset;
int mfd, rfd;
- MemoryRegion *mr;
- mr = memory_region_from_host((void *)(uintptr_t)start1, &offset);
- mfd = memory_region_get_fd(mr);
-
- mr = memory_region_from_host((void *)(uintptr_t)start2, &offset);
- rfd = memory_region_get_fd(mr);
+ (void)vhost_user_get_mr_data(start1, &offset, &mfd);
+ (void)vhost_user_get_mr_data(start2, &offset, &rfd);
return mfd == rfd;
}