[PATCH 1/1] ixgbevf: avoid checking hang when performing hardware reset
From: zyjzyj2000@gmail.com
Date: 2016-07-18 13:50:32
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Zhu Yanjun <zyjzyj2000@gmail.com> When performing hardware reset, it is not necessary to check hang. Or else, the call trace will appear. Signed-off-by: Zhu Yanjun <zyjzyj2000@gmail.com> --- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index acc2401..d563d24 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c@@ -2792,9 +2792,14 @@ static void ixgbevf_reset_subtask(struct ixgbevf_adapter *adapter) static void ixgbevf_check_hang_subtask(struct ixgbevf_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; + struct ixgbe_mbx_info *mbx = &hw->mbx; u32 eics = 0; int i; + /* When performing hardware reset, unnecessary to check hang. */ + if (mbx->ops.check_for_rst(hw)) + return; + /* If we're down or resetting, just bail */ if (test_bit(__IXGBEVF_DOWN, &adapter->state) || test_bit(__IXGBEVF_RESETTING, &adapter->state))
--
2.7.4