Re: [PATCH 3/4] myri10ge - Driver core

From: Arnd Bergmann
Date: Fri May 19 2006 - 06:00:43 EST

On Friday 19 May 2006 04:25, Brice Goglin wrote:
> dev_mc_upload() from net/core/dev_mcast.c does
> spin_lock_bh(&dev->xmit_lock);
> __dev_mc_upload(dev);
> which calls dev->set_multicast_list(), which is
> myri10ge_set_multicast_list()
> which calls myri10ge_change_promisc
> which calls myri10ge_send_cmd

Hmm, if that is the only path where you call it, it may be
helpful to change myri10ge_change_promisc to call a special
atomic version of myri10ge_send_cmd then, while all others
use the regular version, which you can then convert to
do msleep as well.

Arnd <><
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