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Date: Sun, 11 Nov 2018 11:43:42 -0800
From: "Paul E. McKenney" <paulmck@...ux.ibm.com>
To: linux-kernel@...r.kernel.org
Cc: mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com,
akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
fweisbec@...il.com, oleg@...hat.com, joel@...lfernandes.org,
"Paul E. McKenney" <paulmck@...ux.ibm.com>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
"David S. Miller" <davem@...emloft.net>,
intel-wired-lan@...ts.osuosl.org
Subject: [PATCH tip/core/rcu 13/41] ethernet/intel/ixgbe: Replace synchronize_sched() with synchronize_rcu()
Now that synchronize_rcu() waits for preempt-disable regions of code
as well as RCU read-side critical sections, synchronize_sched() can be
replaced by synchronize_rcu(). This commit therefore makes this change.
Signed-off-by: Paul E. McKenney <paulmck@...ux.ibm.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: <intel-wired-lan@...ts.osuosl.org>
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 113b38e0defb..e8095bdf46de 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -6077,9 +6077,9 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
/* Disable Rx */
ixgbe_disable_rx(adapter);
- /* synchronize_sched() needed for pending XDP buffers to drain */
+ /* synchronize_rcu() needed for pending XDP buffers to drain */
if (adapter->xdp_ring[0])
- synchronize_sched();
+ synchronize_rcu();
ixgbe_irq_disable(adapter);
@@ -10476,7 +10476,7 @@ void ixgbe_txrx_ring_disable(struct ixgbe_adapter *adapter, int ring)
ixgbe_disable_rxr_hw(adapter, rx_ring);
if (xdp_ring)
- synchronize_sched();
+ synchronize_rcu();
/* Rx/Tx/XDP Tx share the same napi context. */
napi_disable(&rx_ring->q_vector->napi);
--
2.17.1
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