[openib-general] Re: LLTX and netif_stop_queue

[Jeff Garzik]

David S. Miller wrote:
> Usually we strive for BH disabling locks in order to decrease the
> amount of hard IRQ disabling time in the kernel.  But here, as soon
> as we call into ->hard_start_xmit(), the driver typically turns hard
> IRQs off anyways.
[...]
> Also, changing dev->xmit_lock to be IRQ disabling is not %100 trivial.


Agreed on both counts...