From: Dexuan Cui <decui@xxxxxxxxxxxxx>
commit a0033bd1eae4650b69be07c17cb87393da584563 upstream.
With CONFIG_DEBUG_PREEMPT=y, the put_cpu_ptr() triggers an underflow
warning in preempt_count_sub().
Fixes: 37cdd991fac8 ("vmbus: put related per-cpu variable together")
Cc: stable@xxxxxxxxxxxxxxx
Cc: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
Signed-off-by: Dexuan Cui <decui@xxxxxxxxxxxxx>
Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin (Microsoft) <sashal@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/hv/hv.c | 1 -
1 file changed, 1 deletion(-)
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -408,7 +408,6 @@ int hv_synic_cleanup(unsigned int cpu)
clockevents_unbind_device(hv_cpu->clk_evt, cpu);
hv_ce_shutdown(hv_cpu->clk_evt);
- put_cpu_ptr(hv_cpu);
}
hv_get_synint_state(VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
