On Tue, Oct 29, 2013 at 7:42 PM, David Miller <[email protected]> wrote: > From: David Mackey <[email protected]> > Date: Tue, 29 Oct 2013 15:16:38 -0700 > >> Using dev_kfree_skb_any() will resolve the below issue when a >> netconsole message is transmitted in an irq. > ... >> Signed-off-by: David Mackey <[email protected]> > > This is absolutely not the correct fix. > > The netpoll facility must invoke ->poll() in an environment which > is compatible, locking and interrupt/soft-interrupt wise, as that > in which it is normally called. >
Normally ->poll() is called in softirq context, while netpoll could be called in any context depending on its caller. Also, netpoll disables IRQ for tx, which is another difference. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
