diff options
| author |   Steve Shin <jonshin@cisco.com> | 2016-08-18 17:34:52 -0700 |
|---|---|---|
| committer |   John Lo <loj@cisco.com> | 2016-08-30 03:07:00 +0000 |
| commit | eb5cad76ea8e33352d8af22dbe68f7489af084c7 (patch) | |
| tree | 4722211cc144adde3f85f2872aea388bda9e61c6 | |
| parent | d7935e8c422e8e464e2a3062dbc7a9b9d34c4723 (diff) | |
vhost-user: unmap previously configured memory if necessary
If there's any memory-mapped region configued previously,
it should be unmapped before setting up a new vhost memory table.
Otherwise, huge page leakage will happen.
Change-Id: I375f603ea303919f1502df44a26a7384ab2ea00e
Signed-off-by: Steve Shin <jonshin@cisco.com>
(cherry picked from commit 5e15c91b6c2b5fbd7f989c5dc4edde506d254926)
| -rw-r--r-- | vnet/vnet/devices/dpdk/vhost_user.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/vnet/vnet/devices/dpdk/vhost_user.c b/vnet/vnet/devices/dpdk/vhost_user.c index 03f84921551..58cff7b940f 100644 --- a/vnet/vnet/devices/dpdk/vhost_user.c +++ b/vnet/vnet/devices/dpdk/vhost_user.c @@ -1130,6 +1130,9 @@ dpdk_vhost_user_socket_read (unix_file_t * uf) goto close_socket; } + /* Unmap previously configured memory if necessary */ + dpdk_unmap_all_mem_regions (xd); + dpdk_vhost_user_set_mem_table (xd->vlib_hw_if_index, &msg.memory, fds); break; |