diff options
| author | Dexuan Cui <decui@microsoft.com> | 2019-04-13 01:34:45 +0200 |
|---|---|---|
| committer | Sasha Levin (Microsoft) <sashal@kernel.org> | 2019-04-13 15:36:35 +0200 |
| commit | a0033bd1eae4650b69be07c17cb87393da584563 (patch) | |
| tree | 69819e112f9c7b50ff853280995eaba33e144718 /drivers/hv/hv.c | |
| parent | Drivers: hv: vmbus: Fix race condition with new ring_buffer_info mutex (diff) | |
| download | linux-a0033bd1eae4650b69be07c17cb87393da584563.tar.xz linux-a0033bd1eae4650b69be07c17cb87393da584563.zip | |
Drivers: hv: vmbus: Remove the undesired put_cpu_ptr() in hv_synic_cleanup()
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@vger.kernel.org
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
Diffstat (limited to 'drivers/hv/hv.c')
| -rw-r--r-- | drivers/hv/hv.c | 1 |
1 files changed, 0 insertions, 1 deletions
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); |