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path: root/drivers/hv/connection.c
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Diffstat (limited to 'drivers/hv/connection.c')
-rw-r--r--drivers/hv/connection.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index fce27fb141cc..59c11ff90d12 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -93,10 +93,13 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo,
* all the CPUs. This is needed for kexec to work correctly where
* the CPU attempting to connect may not be CPU 0.
*/
- if (version >= VERSION_WIN8_1)
+ if (version >= VERSION_WIN8_1) {
msg->target_vcpu = hv_context.vp_index[smp_processor_id()];
- else
+ vmbus_connection.connect_cpu = smp_processor_id();
+ } else {
msg->target_vcpu = 0;
+ vmbus_connection.connect_cpu = 0;
+ }
/*
* Add to list before we send the request since we may
@@ -370,7 +373,7 @@ int vmbus_post_msg(void *buffer, size_t buflen, bool can_sleep)
break;
case HV_STATUS_INSUFFICIENT_MEMORY:
case HV_STATUS_INSUFFICIENT_BUFFERS:
- ret = -ENOMEM;
+ ret = -ENOBUFS;
break;
case HV_STATUS_SUCCESS:
return ret;
@@ -387,7 +390,7 @@ int vmbus_post_msg(void *buffer, size_t buflen, bool can_sleep)
else
mdelay(usec / 1000);
- if (usec < 256000)
+ if (retries < 22)
usec *= 2;
}
return ret;