From: Dan Williams <dcbw@redhat.com>
To: "John W. Linville" <linville@tuxdriver.com>
Cc: Wang Chen <wangchen@cn.fujitsu.com>,
"David S. Miller" <davem@davemloft.net>,
Jeff Garzik <jgarzik@pobox.com>, NETDEV <netdev@vger.kernel.org>,
linux-wireless@vger.kernel.org
Subject: Re: [PATCH 14/18] netdevice airo: Convert directly reference of netdev->priv to netdev->ml_priv
Date: Fri, 05 Sep 2008 13:06:23 -0400 [thread overview]
Message-ID: <1220634383.6430.14.camel@localhost.localdomain> (raw)
In-Reply-To: <20080905125036.GA3027@tuxdriver.com>
On Fri, 2008-09-05 at 08:50 -0400, John W. Linville wrote:
> On Fri, Sep 05, 2008 at 11:27:39AM +0800, Wang Chen wrote:
> > We have some reasons to kill netdev->priv:
> > 1. netdev->priv is equal to netdev_priv().
> > 2. netdev_priv() wraps the calculation of netdev->priv's offset, obviously
> > netdev_priv() is more flexible than netdev->priv.
> > But we cann't kill netdev->priv, because so many drivers reference to it
> > directly.
> >
> > OK, becasue Dave S. Miller said, "every direct netdev->priv usage is a bug",
> > and I want to kill netdev->priv later, I decided to convert all the direct
> > reference of netdev->priv first.
> >
> > Different to readonly reference of netdev->priv, in this driver, netdev->priv
> > was changed. I use netdev->ml_priv to replace netdev->priv.
> >
> > Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
>
> Thank you for your patch. However, I do not understand why you didn't
> simply replace netdev->priv with netdev_priv()? Can you explain?
Yeah, that would have been my first choice too...
Dan
WARNING: multiple messages have this Message-ID (diff)
From: Dan Williams <dcbw-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: "John W. Linville" <linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
Cc: Wang Chen <wangchen-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>,
"David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
Jeff Garzik <jgarzik-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>,
NETDEV <netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 14/18] netdevice airo: Convert directly reference of netdev->priv to netdev->ml_priv
Date: Fri, 05 Sep 2008 13:06:23 -0400 [thread overview]
Message-ID: <1220634383.6430.14.camel@localhost.localdomain> (raw)
In-Reply-To: <20080905125036.GA3027-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>
On Fri, 2008-09-05 at 08:50 -0400, John W. Linville wrote:
> On Fri, Sep 05, 2008 at 11:27:39AM +0800, Wang Chen wrote:
> > We have some reasons to kill netdev->priv:
> > 1. netdev->priv is equal to netdev_priv().
> > 2. netdev_priv() wraps the calculation of netdev->priv's offset, obviously
> > netdev_priv() is more flexible than netdev->priv.
> > But we cann't kill netdev->priv, because so many drivers reference to it
> > directly.
> >
> > OK, becasue Dave S. Miller said, "every direct netdev->priv usage is a bug",
> > and I want to kill netdev->priv later, I decided to convert all the direct
> > reference of netdev->priv first.
> >
> > Different to readonly reference of netdev->priv, in this driver, netdev->priv
> > was changed. I use netdev->ml_priv to replace netdev->priv.
> >
> > Signed-off-by: Wang Chen <wangchen-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
>
> Thank you for your patch. However, I do not understand why you didn't
> simply replace netdev->priv with netdev_priv()? Can you explain?
Yeah, that would have been my first choice too...
Dan
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next prev parent reply other threads:[~2008-09-05 17:06 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-05 3:06 [V#2 PATCH 0/18] netdevice: Fix directly reference of netdev->priv Wang Chen
2008-09-05 3:09 ` [PATCH 01/18] netdevice: safe convert to netdev_priv() #part-1 Wang Chen
2008-09-05 3:10 ` [PATCH 02/18] netdevice: safe convert to netdev_priv() #part-2 Wang Chen
2008-09-05 3:11 ` [PATCH 03/18] netdevice: safe convert to netdev_priv() #part-3 Wang Chen
2008-09-05 13:58 ` David Dillow
2008-09-05 3:11 ` [PATCH 04/18] netdevice: safe convert to netdev_priv() #part-4 Wang Chen
2008-09-05 3:14 ` [PATCH 05/18] netdevice 82596: Convert directly reference of netdev->priv to netdev->ml_priv Wang Chen
2008-09-05 3:15 ` [PATCH 06/18] netdevice chelsio: " Wang Chen
2008-09-05 3:17 ` [PATCH 07/18] netdevice hamradio: " Wang Chen
2008-09-05 3:19 ` [PATCH 08/18] netdevice lance: " Wang Chen
2008-09-05 3:20 ` [PATCH 09/18] netdevice ni65: " Wang Chen
2008-09-05 3:21 ` [PATCH 10/18] netdevice ppp: " Wang Chen
2008-09-05 3:23 ` [PATCH 11/18] netdevice cycx_x25: " Wang Chen
2008-09-05 3:24 ` [PATCH 12/18] netdevice hdlc: " Wang Chen
2008-09-05 16:38 ` Krzysztof Halasa
2008-09-05 3:25 ` [PATCH 13/18] netdevice wanrouter: " Wang Chen
2008-09-05 3:27 ` [PATCH 14/18] netdevice airo: " Wang Chen
2008-09-05 12:50 ` John W. Linville
2008-09-05 17:06 ` Dan Williams [this message]
2008-09-05 17:06 ` Dan Williams
2008-09-06 9:37 ` Wang Chen
2008-09-06 9:37 ` Wang Chen
2008-09-26 8:37 ` Wang Chen
2008-09-26 8:37 ` Wang Chen
2008-09-05 3:28 ` [PATCH 15/18] netdevice libertas: Fix directly reference of netdev->priv Wang Chen
2008-09-05 3:28 ` Wang Chen
2008-09-05 17:07 ` Dan Williams
2008-09-05 17:07 ` Dan Williams
2008-10-31 19:17 ` John W. Linville
2008-10-31 19:17 ` John W. Linville
2008-09-05 3:29 ` [PATCH 16/18] netdevice zd1201: Convert directly reference of netdev->priv to netdev->ml_priv Wang Chen
2008-09-05 3:29 ` Wang Chen
2008-09-05 12:56 ` John W. Linville
2008-10-31 18:22 ` John W. Linville
2008-10-31 18:22 ` John W. Linville
2008-10-31 18:48 ` [PATCH] netdevice zd1201: Convert directly reference of netdev->priv to netdev_priv() John W. Linville
2008-10-31 18:48 ` John W. Linville
2008-10-31 19:00 ` Stephen Hemminger
2008-10-31 19:00 ` Stephen Hemminger
2008-11-03 2:06 ` Wang Chen
2008-11-03 2:06 ` Wang Chen
2008-12-18 6:53 ` [PATCH -next] netdevice zd1201: Use after free Wang Chen
2008-12-18 13:58 ` John W. Linville
2008-12-19 3:37 ` David Miller
2008-12-19 3:37 ` David Miller
2008-09-05 3:30 ` [PATCH 17/18] netdevice pc300: Convert directly reference of netdev->priv to netdev->ml_priv Wang Chen
2008-09-09 13:23 ` Krzysztof Halasa
2008-09-05 3:31 ` [PATCH 18/18] netdevice sbni: Convert directly reference of netdev->priv to netdev_priv() Wang Chen
2008-09-05 3:42 ` [V#2 PATCH 0/18] netdevice: Fix directly reference of netdev->priv Wang Chen
2008-09-20 8:17 ` Wang Chen
2008-09-20 10:37 ` David Miller
2008-09-22 7:04 ` Wang Chen
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