diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-11 10:46:50 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-11 10:46:50 +0200 |
commit | 0c81b2a1448bc6a2a9b2d6469fb0669fb4b25e5b (patch) | |
tree | 6f82579cae6d6e39fa9f837a3c349ded51e19d14 /drivers/net/forcedeth.c | |
parent | 0729fbf3bc70870370b4f43d652f05a468dc68b8 (diff) | |
parent | 70ff05554f91a1edda1f11684da1dbde09e2feea (diff) |
Merge branch 'linus' into core/rcu
Conflicts:
include/linux/rculist.h
kernel/rcupreempt.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/net/forcedeth.c')
-rw-r--r-- | drivers/net/forcedeth.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 2cb24476329..20d4fe96a81 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -4194,12 +4194,23 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) netif_carrier_off(dev); if (netif_running(dev)) { + unsigned long flags; + nv_disable_irq(dev); netif_tx_lock_bh(dev); - spin_lock(&np->lock); + /* with plain spinlock lockdep complains */ + spin_lock_irqsave(&np->lock, flags); /* stop engines */ + /* FIXME: + * this can take some time, and interrupts are disabled + * due to spin_lock_irqsave, but let's hope no daemon + * is going to change the settings very often... + * Worst case: + * NV_RXSTOP_DELAY1MAX + NV_TXSTOP_DELAY1MAX + * + some minor delays, which is up to a second approximately + */ nv_stop_rxtx(dev); - spin_unlock(&np->lock); + spin_unlock_irqrestore(&np->lock, flags); netif_tx_unlock_bh(dev); } |