netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Li, ZhenHua" <zhen-hual@hp.com>
To: David Miller <davem@davemloft.net>
Cc: sathya.perla@emulex.com, subbu.seetharaman@emulex.com,
	ajit.khaparde@emulex.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] driver/net: add missing rtnl lock/unlock for benet
Date: Wed, 16 Apr 2014 15:09:11 +0800	[thread overview]
Message-ID: <534E2C97.4040908@hp.com> (raw)
In-Reply-To: <534E2399.5030801@hp.com>

Hi David,
I have sent out another patch for the fix.

Thanks
ZhenHua
On 04/16/2014 02:30 PM, Li, ZhenHua wrote:
> Hi David,
>
> I think you are right. I checked other NIC drivers, found some of them
> call rtnl_lock and rtnl_unlock around netif_device_detach and attach
> functions, while some drivers did not.
>
> I will create a new patch in generic way to fix this.
>
> Regards
> ZhenHua
> On 04/16/2014 03:09 AM, David Miller wrote:
>> From: "Li, Zhen-Hua" <zhen-hual@hp.com>
>> Date: Tue, 15 Apr 2014 14:45:52 +0800
>>
>>> From: "Li, Zhen-Hua" <zhen-hual@hp.com>
>>>
>>> In benet driver, netif_device_detach and netif_device_attach should be
>>> called between rtnl_lock and rtnl_unlock.
>>>
>>> Signed-off-by: Li, Zhen-Hua <zhen-hual@hp.com>
>>
>> This absolutely does not look like a driver specific issue, therefore
>> I do not want you to make such locking context adjustments only in
>> your driver.
>>
>> Do it somewhere generic so that every driver gets the fix, not just
>> your driver.
>>
>

      reply	other threads:[~2014-04-16  7:09 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-15  6:45 [PATCH 1/1] driver/net: add missing rtnl lock/unlock for benet 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
2014-04-15 19:09 ` David Miller
2014-04-16  6:30   ` Li, ZhenHua
2014-04-16  7:09     ` Li, ZhenHua [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=534E2C97.4040908@hp.com \
    --to=zhen-hual@hp.com \
    --cc=ajit.khaparde@emulex.com \
    --cc=davem@davemloft.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=sathya.perla@emulex.com \
    --cc=subbu.seetharaman@emulex.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).