diff options
| author | Ilya Maximets <i.maximets@samsung.com> | 2018-10-02 17:09:47 +0300 |
|---|---|---|
| committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2019-04-08 16:47:37 -0500 |
| commit | a0380bdae91be55e38af3d9e1ba30e82a5abecea (patch) | |
| tree | 14eda71626d594d4dd86825a794c75f7421c30b9 | |
| parent | 8d2527617218cc65dfd978432b5e2159eb87ae5a (diff) | |
vhost-user: Don't ask for reply on postcopy mem table set
According to documentation, NEED_REPLY_MASK should not be set
for VHOST_USER_SET_MEM_TABLE request in postcopy mode.
This restriction was mistakenly applied to 'reply_supported'
variable, which is local and used only for non-postcopy case.
CC: Dr. David Alan Gilbert <dgilbert@redhat.com>
Fixes: 9bb38019942c ("vhost+postcopy: Send address back to qemu")
Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Message-Id: <20181002140947.4107-1-i.maximets@samsung.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 5ce43896e1679e706db1562d0e2d86ad428ed1e6)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
| -rw-r--r-- | hw/virtio/vhost-user.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index b041343632..c442daa562 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -374,8 +374,6 @@ static int vhost_user_set_mem_table_postcopy(struct vhost_dev *dev, int fds[VHOST_MEMORY_MAX_NREGIONS]; int i, fd; size_t fd_num = 0; - bool reply_supported = virtio_has_feature(dev->protocol_features, - VHOST_USER_PROTOCOL_F_REPLY_ACK); VhostUserMsg msg_reply; int region_i, msg_i; @@ -384,10 +382,6 @@ static int vhost_user_set_mem_table_postcopy(struct vhost_dev *dev, .hdr.flags = VHOST_USER_VERSION, }; - if (reply_supported) { - msg.hdr.flags |= VHOST_USER_NEED_REPLY_MASK; - } - if (u->region_rb_len < dev->mem->nregions) { u->region_rb = g_renew(RAMBlock*, u->region_rb, dev->mem->nregions); u->region_rb_offset = g_renew(ram_addr_t, u->region_rb_offset, @@ -503,10 +497,6 @@ static int vhost_user_set_mem_table_postcopy(struct vhost_dev *dev, return -1; } - if (reply_supported) { - return process_message_reply(dev, &msg); - } - return 0; } @@ -519,8 +509,7 @@ static int vhost_user_set_mem_table(struct vhost_dev *dev, size_t fd_num = 0; bool do_postcopy = u->postcopy_listen && u->postcopy_fd.handler; bool reply_supported = virtio_has_feature(dev->protocol_features, - VHOST_USER_PROTOCOL_F_REPLY_ACK) && - !do_postcopy; + VHOST_USER_PROTOCOL_F_REPLY_ACK); if (do_postcopy) { /* Postcopy has enough differences that it's best done in it's own |