linux-kernel - Re: [RFC PATCH v2 4/5] skb: add tracepoints to freeing skb

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Message-ID: <4C27EC01.6030708@jp.fujitsu.com>
Date:	Mon, 28 Jun 2010 09:25:37 +0900
From:	Koki Sanagi <sanagi.koki@...fujitsu.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	linux-kernel@...r.kernel.org, kaneshige.kenji@...fujitsu.com,
	izumi.taku@...fujitsu.com, netdev <netdev@...r.kernel.org>
Subject: Re: [RFC PATCH v2 4/5] skb: add tracepoints to freeing skb

(2010/06/26 5:05), Eric Dumazet wrote:
> Le vendredi 25 juin 2010 à 16:12 +0900, Koki Sanagi a écrit :
> 
>>> You might add a trace point to skb_free_datagram_locked() too, since it
>>> contains an inlined consume_skb()
>>>
>>
>> I think it is contrary.
> 
> I think you are _very_ wrong.
> 
>> skb_free_datagram_locked() contains consume_skb(), so tracepoint isn't needed.
>> Because skb_free_datagram_locked() can be traced by trace_consume_skb().
>>
>>
>>
> 
> Koki, it would be good if you worked on net-next-2.6, so that my comment
> applies.

Yes, I am very wrong... I saw skb_free_datagram_locked() at linux-2.6.34.
It would be good to add tracepoint to it.
 
> Also, not sending this kind of patches on netdev is not going to help
> very much.
> 
> Who is supposed to review them on lkml and Ack them ? 
> 
> Nobody.
> 
> Please build your future network related patches against net-next-2.6,
> and send them to nedev and David Miller, the official network
> maintainer, as stated in MAINTAINERS file.
> 
> NETWORKING [GENERAL]
> M:      "David S. Miller" <davem@...emloft.net>
> L:      netdev@...r.kernel.org
> W:      http://www.linuxfoundation.org/en/Net
> W:      http://patchwork.ozlabs.org/project/netdev/list/
> T:      git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.git
> T:      git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6.git
> S:      Maintained
> F:      net/
> F:      include/net/
> F:      include/linux/in.h
> F:      include/linux/net.h
> F:      include/linux/netdevice.h

Yes, my submitting this time has many improper things(address, format and description...).
I'll check and modify them next time.

Thanks,
Koki Sanagi.
> 
> 
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> 


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