netdev - Re: [Patch 4/5] Network Drop Monitor: Adding drop monitor implementation & Netlink protocol

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Date:	Thu, 02 Apr 2009 02:50:22 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	kaber@...sh.net, nhorman@...driver.com, zbr@...emap.net,
	netdev@...r.kernel.org, kuznet@....inr.ac.ru, pekkas@...core.fi,
	jmorris@...ei.org, yoshfuji@...ux-ipv6.org
Subject: Re: [Patch 4/5] Network Drop Monitor: Adding drop monitor
 implementation & Netlink protocol

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Thu, 2 Apr 2009 17:39:52 +0800

> (Catching up with old emails)
> 
> David Miller <davem@...emloft.net> wrote:
> > From: Patrick McHardy <kaber@...sh.net>
> > Date: Wed, 04 Mar 2009 11:06:41 +0100
> > 
> >> It should also be noted that netlink attributes only provide 4 byte
> >> alignment. Not sure what the current status of handling unaligned
> >> accesses on all architectures is, but something that might have to
> >> be taken into consideration.
> > 
> > Indeed, we have hacks in libnl to work around some of these
> > issues :-(
> 
> Requiring the use of aligned_u64 instead of __u64 in netlink
> structs should help with new data structures, right?

Yes, it should.
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