> BTW I try to deliver the thought to you from time to time, that driver
> should not set tbusy on entry to transmission routine. Nobody ever need it.
> It is true since.... Well, it always was true, and when it was not true,
> kernel did not work. And if driver set it, it must mark NET_BH after resetting.
This is true enough for all kernels past the prehistoric stage. tbusy has
to be set if you are busy and return "Im busy". The driver has to set it
then as only the driver knows about how its completion path and the
transmit function may race.
Alan
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