> I noticed an irq race into the backlog handling (as backlog is shared by
> all netdevice, so netif_rx will continue to run inside irq handlers of
> other netdevices and so it can easily race with dev_clear_backlog).
>
> I don't expect it to cure the problem but I think you can give it a try ;).
I don't expect it to fix any problems. Interrupts never remove packets
from the backlog, only add them. dev_clear_backlog is protected against other
contexts by the kernel lock in 2.2. Your patch would protect against
interrupts removing packets. This cannot happen.
-Andi
-- This is like TV. I don't like TV.- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/