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From: Stephen Hemminger <shemminger@osdl.org>
To: "David S. Miller" <davem@davemloft.net>
Cc: herbert@gondor.apana.org.au, patrakov@ums.usu.ru,
	netdev@vger.kernel.org, akpm@osdl.org
Subject: Re: [PATCH] netdev: hotplug napi race cleanup
Date: Mon, 8 May 2006 12:02:24 -0700	[thread overview]
Message-ID: <20060508120224.63c84ad6@localhost.localdomain> (raw)
In-Reply-To: <20060508.113731.97080992.davem@davemloft.net>

On Mon, 08 May 2006 11:37:31 -0700 (PDT)
"David S. Miller" <davem@davemloft.net> wrote:

> From: Stephen Hemminger <shemminger@osdl.org>
> Date: Mon, 8 May 2006 09:54:58 -0700
> 
> > The issue is are there network devices that can't sleep during
> > register_netdevice?
> 
> Oh right, I forgot about that.

We could do something like this in register_netdevice()

	if (in_atomic() || irqs_disabled())
		net_set_todo(dev);
	else {
		dev->reg_state = NETREG_REGISTERED;
		ret = netdev_register_sysfs(dev);
		if (ret) {
			... 
	}

It seems a bit grotty, and might cause pain later.

      reply	other threads:[~2006-05-08 19:02 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20060418042300.GA11061@kroah.com>
     [not found] ` <20060418042345.GB11061@kroah.com>
     [not found]   ` <44448DFF.3080108@ums.usu.ru>
     [not found]     ` <20060418153951.GC30485@kroah.com>
     [not found]       ` <4445BB0F.6010305@ums.usu.ru>
2006-04-21 17:25         ` Hotplug race on name change Stephen Hemminger
2006-04-22  0:28           ` Herbert Xu
2006-04-24 22:23             ` [PATCH] netdev: hotplug napi race cleanup Stephen Hemminger
2006-04-25  1:30               ` Andrew Morton
2006-04-26  9:43               ` David S. Miller
2006-05-07  1:09               ` David S. Miller
2006-05-08 16:54                 ` Stephen Hemminger
2006-05-08 18:37                   ` David S. Miller
2006-05-08 19:02                     ` Stephen Hemminger [this message]

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