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From: "Li, Zhen-Hua" <zhen-hual@hp.com>
To: Sathya Perla <Sathya.Perla@Emulex.Com>
Cc: Subramanian Seetharaman <subbu.seetharaman@Emulex.Com>,
	Ajit Khaparde <Ajit.Khaparde@Emulex.Com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/1] driver/net: add missing rtnl lock/unlock for benet
Date: Tue, 15 Apr 2014 12:59:56 +0000	[thread overview]
Message-ID: <1249C41B-D72F-40C8-A8F1-D135D02A1511@hp.com> (raw)
In-Reply-To: <069bdb52-6176-407a-b7fc-3f23a944a529@CMEXHTCAS2.ad.emulex.com>

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Yes, that's ok for me.

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ÔÚ 2014Äê4ÔÂ15ÈÕ£¬ÏÂÎç7:57£¬"Sathya Perla" <Sathya.Perla@Emulex.Com> дµÀ£º

>> -----Original Message-----
>> From: Li, ZhenHua [mailto:zhen-hual@hp.com]
>> 
>> Because netif_running() is called in netif_device_detach and
>> netif_device_attach. To avoid dev status changed while
>> netif_device_detach/attach is not finished, I think a rtnl_lock and
>> unlock should be called to avoid this.
> 
> Ok. I'd like to then factor the code slightly differently by using
> routines like this:
> 
> be_close_sync() {
>    rtnl_lock();
> 
>      netif_device_detach(netdev);
>       if (netif_running(netdev))
>           be_close(netdev);
> 
>    rtnl_unlock();
> }
> 
> and similarly for be_open_sync()
> 
> And, I'd need some time to test these flows too.
> Would you be OK with this?
> 
> thanks,
> -Sathya
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  reply	other threads:[~2014-04-15 13:01 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-15  6:45 Li, Zhen-Hua
2014-04-15  8:07 ` Sathya Perla
2014-04-15  9:02   ` Li, ZhenHua
2014-04-15 11:57     ` Sathya Perla
2014-04-15 12:59       ` Li, Zhen-Hua [this message]
2014-04-15 19:09 ` David Miller
2014-04-16  6:30   ` Li, ZhenHua
2014-04-16  7:09     ` Li, ZhenHua

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