netdev - Re: [PATCH 0/9] genetlink: reduce ops size and complexity (v2)

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Date:	Fri, 15 Nov 2013 14:23:14 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, linux-wimax@...el.com,
	bsingharora@...il.com, netfilter-devel@...r.kernel.org,
	alex.bluesman.smirnov@...il.com, dbaryshkov@...il.com
Subject: Re: [PATCH 0/9] genetlink: reduce ops size and complexity (v2)

On Fri, 2013-11-15 at 14:18 +0100, Johannes Berg wrote:

> I've been eyeing the multicast groups as well

Of course, there are also *much* fewer mcast groups, so the saving isn't
nearly as big. But we still have some oddball code to register them all,
basically

	err = register_mc_group();
	if (err)
		goto unregister_family;

(since we have to register the family first, afaict)

sometimes a few of those back to back, and it'd be nicer on the users if
that just went away and was

	family.mcast_groups = my_groups;
	family.n_mcast_groups = ARRAY_SIZE(my_groups);
	family.ops = my_ops;
	family.n_ops = ARRAY_SIZE(my_ops);
	return genl_register_family(&family);

since nobody uses them dynamically anyway, afaict.

johannes

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