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authorIlya Maximets <i.maximets@samsung.com>2018-10-02 17:09:47 +0300
committerDr. David Alan Gilbert <dgilbert@redhat.com>2018-10-11 19:58:26 +0100
commit5ce43896e1679e706db1562d0e2d86ad428ed1e6 (patch)
tree409beba37e64ad70417d1354498ae40c887c4ab8 /hw/virtio
parentc4f753859ae6da1aeb93cad19c586fea1925e269 (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>
Diffstat (limited to 'hw/virtio')
-rw-r--r--hw/virtio/vhost-user.c13
1 files changed, 1 insertions, 12 deletions
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index ed47d645d9..e09bed0e4a 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