[Intel-wired-lan] [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

Francois Romieu romieu at fr.zoreil.com
Thu Jul 28 23:28:44 UTC 2016


Eric Dumazet <eric.dumazet at gmail.com> :
[...]
> I would prefer having a definitive advice from Thomas Gleixner and/or
> others if disable_irq() is forbidden from IRQ path.
> 
> As I said, about all netpoll() methods in net drivers use disable_irq()
> so a lot of patches would be needed.

s/about all/many/

There has been a WARN_ONCE(!irqs_disabled() in netpoll_send_skb_on_dev for
quite some time now but it's apparently screened by too many tests to be
effective. :o/

-- 
Ueimor


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