netdev - Re: [PATCH net] net: hyperv: initialize link status correctly

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <52E629A8.5010302@redhat.com>
Date:	Mon, 27 Jan 2014 17:40:56 +0800
From:	Jason Wang <jasowang@...hat.com>
To:	David Miller <davem@...emloft.net>
CC:	kys@...rosoft.com, haiyangz@...rosoft.com,
	devel@...uxdriverproject.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: hyperv: initialize link status correctly

On 01/27/2014 04:35 PM, David Miller wrote:
> From: Jason Wang <jasowang@...hat.com>
> Date: Mon, 27 Jan 2014 15:30:54 +0800
>
>> Call netif_carrier_on() after register_device(). Otherwise it won't work since
>> the device was still in NETREG_UNINITIALIZED state.
>>
>> Fixes a68f9614614749727286f675d15f1e09d13cb54a
>> (hyperv: Fix race between probe and open calls)
>>
>> Cc: Haiyang Zhang <haiyangz@...rosoft.com>
>> Cc: K. Y. Srinivasan <kys@...rosoft.com>
>> Reported-by: Di Nie <dnie@...hat.com>
>> Tested-by: Di Nie <dnie@...hat.com>
>> Signed-off-by: Jason Wang <jasowang@...hat.com>
> A device up can occur at the moment you call register_netdevice(),
> therefore that up call can see the carrier as down and fail or
> similar.  So you really cannot resolve the carrier to be on in this
> way.

True, we need a workqueue to synchronize them.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html