Drivers: hv: vmbus: Use get_cpu() to get the current CPU

Replace calls for smp_processor_id() to get_cpu() to get the CPU ID of
the current CPU. In these instances, there is no correctness issue with
regards to preemption, we just need the current CPU ID.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 2c59f03..1d7df25 100644 (file)
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -815,7 +815,7 @@ cleanup:
 struct vmbus_channel *vmbus_get_outgoing_channel(struct vmbus_channel *primary)
 {
        struct list_head *cur, *tmp;
-       int cur_cpu = hv_context.vp_index[smp_processor_id()];
+       int cur_cpu;
        struct vmbus_channel *cur_channel;
        struct vmbus_channel *outgoing_channel = primary;
        int cpu_distance, new_cpu_distance;
@@ -823,6 +823,8 @@ struct vmbus_channel *vmbus_get_outgoing_channel(struct vmbus_channel *primary)
        if (list_empty(&primary->sc_list))
                return outgoing_channel;
 
+       cur_cpu = hv_context.vp_index[get_cpu()];
+       put_cpu();
        list_for_each_safe(cur, tmp, &primary->sc_list) {
                cur_channel = list_entry(cur, struct vmbus_channel, sc_list);
                if (cur_channel->state != CHANNEL_OPENED_STATE)

diff --cc drivers/hv/connection.c
Simple merge