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-rw-r--r--lib/librte_vhost/vhost_user.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 6b83c15f..0cb1c677 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -447,14 +447,14 @@ add_guest_pages(struct virtio_net *dev, struct virtio_memory_region *reg,
reg_size -= size;
while (reg_size > 0) {
+ size = RTE_MIN(reg_size, page_size);
host_phys_addr = rte_mem_virt2phy((void *)(uintptr_t)
host_user_addr);
- add_one_guest_page(dev, guest_phys_addr, host_phys_addr,
- page_size);
+ add_one_guest_page(dev, guest_phys_addr, host_phys_addr, size);
- host_user_addr += page_size;
- guest_phys_addr += page_size;
- reg_size -= page_size;
+ host_user_addr += size;
+ guest_phys_addr += size;
+ reg_size -= size;
}
}
@@ -567,7 +567,8 @@ vhost_user_set_mem_table(struct virtio_net *dev, struct VhostUserMsg *pmsg)
reg->host_user_addr = (uint64_t)(uintptr_t)mmap_addr +
mmap_offset;
- add_guest_pages(dev, reg, alignment);
+ if (dev->dequeue_zero_copy)
+ add_guest_pages(dev, reg, alignment);
RTE_LOG(INFO, VHOST_CONFIG,
"guest memory region %u, size: 0x%" PRIx64 "\n"