From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [2.6.37-rc5] Build error on parisc.
Date: Wed, 15 Dec 2010 19:22:48 +0100
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References: <201012150801.oBF81EVm047830@www262.sakura.ne.jp>
	 <20101215.101925.71116399.davem@davemloft.net>
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Cc: penguin-kernel@I-love.SAKURA.ne.jp, netdev@vger.kernel.org
To: David Miller <davem@davemloft.net>
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Le mercredi 15 d=C3=A9cembre 2010 =C3=A0 10:19 -0800, David Miller a =C3=
=A9crit :
> From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
> Date: Wed, 15 Dec 2010 17:01:14 +0900
>=20
> > [2.6.37-rc5] Build error on parisc.
> >=20
> > Commit 5635c10d "net: make sure struct dst_entry refcount is aligne=
d on 64 bytes"
> > uses manual padding. I triggered BUILD_BUG_ON() when using
> > http://kernel.org/pub/tools/crosstool/files/bin/i686/4.5.1/i686-gcc=
-4.5.1-nolibc_hppa64-linux.tar.bz2 .
> >=20
> >   make -s CROSS_COMPILE=3Dhppa64-linux- ARCH=3Dparisc
> >=20
> >   include/net/dst.h: In function 'dst_hold':
> >   include/net/dst.h:161:2: error: negative width in bit-field '<ano=
nymous>'
> >=20
> > I think below patch can fix the error but that commit says that we =
cannot use
> > __atribute((aligned)). Why?
>=20
> We don't want to create holes of unused space in the structure, we wa=
nt
> to know exactly how every byte of space is being used so nothing is
> wasted when all features are enabed.

Yes, sorry for missing your mail Tetsuo.