netdev - Re: [PATCH][net-next] net: avoid to call skb_queue

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: <CAJFZqHzeESfMBqb1gQr4DsE-v_fSfUX+AyWbt_VriJJ8Dj2FnA@mail.gmail.com>
Date:	Mon, 8 Dec 2014 08:46:47 +0800
From:	Li RongQing <roy.qing.li@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH][net-next] net: avoid to call skb_queue_len again

On Fri, Dec 5, 2014 at 10:31 PM, Eric Dumazet <eric.dumazet@...il.com> wrote:
> On Fri, 2014-12-05 at 17:06 +0300, Sergei Shtylyov wrote:
>> Hello.
>>
>> On 12/5/2014 12:49 PM, roy.qing.li@...il.com wrote:
>>
>> > From: Li RongQing <roy.qing.li@...il.com>
>>
>> > the queue length of sd->input_pkt_queue has been putted into qlen,
>>
>>     s/putted/put/, it's irregular verb.
>>

I will fix it and  resend this patch


>> > and impossible to change, since hold the lock
>>
>>     I can't parse that. Who holds the lock?
>
> This thread/cpu holds the lock to manipulate input_pkt_queue.
>
> Otherwise, the following would break horribly....
>
> __skb_queue_tail(&sd->input_pkt_queue, skb);
>
>

Thanks Eric


-Roy
>
--
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