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authorAndrea Parri (Microsoft) <parri.andrea@gmail.com>2021-04-16 16:34:48 +0200
committerWei Liu <wei.liu@kernel.org>2021-04-18 13:03:11 +0000
commit870ced0548c895eb0bf8d982400344e5a9b2df00 (patch)
tree0ded4cf619dc8c64364778b2e70bc49003f1124f /drivers/hv/vmbus_drv.c
parent1df53d212c803c0e11a2b10d47ec830d3576b972 (diff)
Drivers: hv: vmbus: Drivers: hv: vmbus: Introduce CHANNELMSG_MODIFYCHANNEL_RESPONSE
Introduce the CHANNELMSG_MODIFYCHANNEL_RESPONSE message type, and code to receive and process such a message. Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Link: https://lore.kernel.org/r/20210416143449.16185-3-parri.andrea@gmail.com Signed-off-by: Wei Liu <wei.liu@kernel.org>
Diffstat (limited to 'drivers/hv/vmbus_drv.c')
-rw-r--r--drivers/hv/vmbus_drv.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 51c40d5e3c8a..b12d6827b222 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1848,13 +1848,15 @@ static ssize_t target_cpu_store(struct vmbus_channel *channel,
if (target_cpu == origin_cpu)
goto cpu_store_unlock;
- if (vmbus_send_modifychannel(channel->offermsg.child_relid,
+ if (vmbus_send_modifychannel(channel,
hv_cpu_number_to_vp_number(target_cpu))) {
ret = -EIO;
goto cpu_store_unlock;
}
/*
+ * For version before VERSION_WIN10_V5_3, the following warning holds:
+ *
* Warning. At this point, there is *no* guarantee that the host will
* have successfully processed the vmbus_send_modifychannel() request.
* See the header comment of vmbus_send_modifychannel() for more info.