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authorHaiyang Zhang <haiyangz@microsoft.com>2014-12-01 13:28:39 -0800
committerDavid S. Miller <davem@davemloft.net>2014-12-08 20:24:11 -0500
commitc3582a2c4d0baf1fa3955c8b3d3d61308df474c7 (patch)
treebcff2477cb791564cd2189026c088ec69b1ee217 /drivers/hv
parent6867b17b26d80cfd419e491141feb75082915979 (diff)
hyperv: Add support for vNIC hot removal
This patch adds proper handling of the vNIC hot removal event, which includes a rescind-channel-offer message from the host side that triggers vNIC close and removal. In this case, the notices to the host during close and removal is not necessary because the channel is rescinded. This patch blocks these unnecessary messages, and lets vNIC removal process complete normally. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/channel_mgmt.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index a2d1a9612c86..191a6a3ae6ca 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -517,6 +517,8 @@ static void vmbus_onoffer_rescind(struct vmbus_channel_message_header *hdr)
/* Just return here, no channel found */
return;
+ channel->rescind = true;
+
/* work is initialized for vmbus_process_rescind_offer() from
* vmbus_process_offer() where the channel got created */
queue_work(channel->controlwq, &channel->work);