From: Cong Wang <xiyou.wangcong@gmail.com>
To: netdev@vger.kernel.org
Cc: sd@queasysnail.net, davej@codemonkey.org.uk,
Cong Wang <xiyou.wangcong@gmail.com>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Subject: [Patch net] e1000: use disable_hardirq() for e1000_netpoll()
Date: Sat, 10 Dec 2016 14:22:42 -0800 [thread overview]
Message-ID: <1481408562-6529-1-git-send-email-xiyou.wangcong@gmail.com> (raw)
In commit 02cea3958664 ("genirq: Provide disable_hardirq()")
Peter introduced disable_hardirq() for netpoll, but it is forgotten
to use it for e1000.
This patch changes disable_irq() to disable_hardirq() for e1000.
Reported-by: Dave Jones <davej@codemonkey.org.uk>
Suggested-by: Sabrina Dubroca <sd@queasysnail.net>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
---
drivers/net/ethernet/intel/e1000/e1000_main.c | 4 ++--
drivers/net/ethernet/intel/e1000e/netdev.c | 8 ++++----
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index f42129d..164c3bb 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -5257,8 +5257,8 @@ static void e1000_netpoll(struct net_device *netdev)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
- disable_irq(adapter->pdev->irq);
- e1000_intr(adapter->pdev->irq, netdev);
+ if (disable_hardirq(adapter->pdev->irq))
+ e1000_intr(adapter->pdev->irq, netdev);
enable_irq(adapter->pdev->irq);
}
#endif
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 7017281..9a0be77 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -6762,13 +6762,13 @@ static void e1000_netpoll(struct net_device *netdev)
e1000_intr_msix(adapter->pdev->irq, netdev);
break;
case E1000E_INT_MODE_MSI:
- disable_irq(adapter->pdev->irq);
- e1000_intr_msi(adapter->pdev->irq, netdev);
+ if (disable_hardirq(adapter->pdev->irq))
+ e1000_intr_msi(adapter->pdev->irq, netdev);
enable_irq(adapter->pdev->irq);
break;
default: /* E1000E_INT_MODE_LEGACY */
- disable_irq(adapter->pdev->irq);
- e1000_intr(adapter->pdev->irq, netdev);
+ if (disable_hardirq(adapter->pdev->irq))
+ e1000_intr(adapter->pdev->irq, netdev);
enable_irq(adapter->pdev->irq);
break;
}
--
2.5.5
next reply other threads:[~2016-12-10 22:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-10 22:22 Cong Wang [this message]
2016-12-11 4:32 ` [Patch net] e1000: use disable_hardirq() for e1000_netpoll() David Miller
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