netdev - Re: [PATCH] zd1211rw: Support for multicast addresses

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Date:	Thu, 30 Nov 2006 20:57:10 -0500
From:	Daniel Drake <dsd@...too.org>
To:	Stephen Hemminger <shemminger@...l.org>
Subject: Re: [PATCH] zd1211rw: Support for multicast addresses

Stephen Hemminger wrote:
> Why all the trouble do it off work queue? Is someone calling
> set_multicast_list with IRQ's disabled?

Register I/O involves sleeping, so we need to be in process context.

in_atomic() returns non-zero in the set_multicast_list handler. I 
couldn't tell you which codepath this is in.

Daniel
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