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authorRichard Weinberger <richard@nod.at>2011-07-25 17:12:48 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 20:57:12 -0700
commitdd71dc4c335a8957d269ce063b3e80933f3482fc (patch)
tree5656fc75eae80cff60faeb6487432d1289eafcc8
parentum: fix _FORTIFY_SOURCE=2 support for kernel modules (diff)
downloadlinux-dev-dd71dc4c335a8957d269ce063b3e80933f3482fc.tar.xz
linux-dev-dd71dc4c335a8957d269ce063b3e80933f3482fc.zip
um: add netpoll support
To make netconsole usable on UML, its ethernet driver needs netpoll support. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--arch/um/drivers/net_kern.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 47d0c37897d5..22745b47c829 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -262,6 +262,15 @@ static int uml_net_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void uml_net_poll_controller(struct net_device *dev)
+{
+ disable_irq(dev->irq);
+ uml_net_interrupt(dev->irq, dev);
+ enable_irq(dev->irq);
+}
+#endif
+
static void uml_net_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
@@ -364,6 +373,9 @@ static const struct net_device_ops uml_netdev_ops = {
.ndo_set_mac_address = eth_mac_addr,
.ndo_change_mtu = uml_net_change_mtu,
.ndo_validate_addr = eth_validate_addr,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = uml_net_poll_controller,
+#endif
};
/*