With CONFIG_DEBUG_PREEMPT=y, the put_cpu_ptr() triggiers an underflow warning in preempt_count_sub().

Fixes: 37cdd991fac8 ("vmbus: put related per-cpu variable together") Cc: stable@vger.kernel.org Cc: Stephen Hemminger sthemmin@microsoft.com Signed-off-by: Dexuan Cui decui@microsoft.com --- drivers/hv/hv.c | 1 - 1 file changed, 1 deletion(-)

diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index 632d25674e7f..45653029ee18 100644 --- 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);