diff options
| author |   Shesha Sreenivasamurthy <shesha@cisco.com> | 2016-04-25 14:35:30 -0400 |
|---|---|---|
| committer | Shesha Sreenivasamurthy <shesha@cisco.com> | 2016-04-25 14:38:33 -0400 |
| commit | cbdd897846aa13b2d16c3379b7344a1b830ce80e (patch) | |
| tree | 47fc0881436602ed39fffc9471dd390ebc4ac221 | |
| parent | d6a0fc5ea696763c3cba67dc47d8e7943ae7649b (diff) | |
Fix vpp crash in DBG mode
virtio-vhost driver was specifying wrong prefetch
size. This caused VPP to assert in DBG mode.
Change-Id: Icbe3d5574bd2463b98dfc618a001b16198ab82be
Signed-off-by: Shesha Sreenivasamurthy <shesha@cisco.com>
| -rw-r--r-- | vnet/vnet/devices/virtio/vhost-user.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/vnet/vnet/devices/virtio/vhost-user.c b/vnet/vnet/devices/virtio/vhost-user.c index 9747b920..f52de254 100644 --- a/vnet/vnet/devices/virtio/vhost-user.c +++ b/vnet/vnet/devices/virtio/vhost-user.c @@ -1216,7 +1216,8 @@ vhost_user_intfc_tx (vlib_main_t * vm, error = VHOST_USER_TX_FUNC_ERROR_MMAP_FAIL; goto done; } - CLIB_PREFETCH(buffer_addr, clib_min(rxvq->desc[desc_current].len, 500), STORE); + CLIB_PREFETCH(buffer_addr, clib_min(rxvq->desc[desc_current].len, + 4*CLIB_CACHE_LINE_BYTES), STORE); virtio_net_hdr_mrg_rxbuf_t * hdr = (virtio_net_hdr_mrg_rxbuf_t *) buffer_addr; hdr->hdr.flags = 0; |