diff options
-rw-r--r-- | src/vnet/devices/virtio/vhost-user.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vnet/devices/virtio/vhost-user.c b/src/vnet/devices/virtio/vhost-user.c index 9b8c18882ca..c627dec2aa5 100644 --- a/src/vnet/devices/virtio/vhost-user.c +++ b/src/vnet/devices/virtio/vhost-user.c @@ -237,7 +237,8 @@ map_guest_mem (vhost_user_intf_t * vui, uword addr, u32 * hint) r = _mm_blend_epi16 (r, _mm_and_si128 (rl, rh), 0x88); r = _mm_shuffle_epi8 (r, _mm_set_epi64x (0, 0x0e060c040a020800)); - i = __builtin_ctzll (_mm_movemask_epi8 (r)); + i = __builtin_ctzll (_mm_movemask_epi8 (r) | + (1 << VHOST_MEMORY_MAX_NREGIONS)); if (i < vui->nregions) { |