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From: Tilman Schmidt <tilman@imap.cc>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Jarek Poplawski <jarkao2@gmail.com>,
	David Miller <davem@davemloft.net>,
	hidave.darkstar@gmail.com, linux-kernel@vger.kernel.org,
	tglx@linutronix.de, linux-wireless@vger.kernel.org,
	linux-ppp@vger.kernel.org, netdev@vger.kernel.org,
	paulus@samba.org, isdn4linux <isdn4linux@listserv.isdn4linux.de>,
	i4ldeveloper <i4ldeveloper@listserv.isdn4linux.de>,
	Karsten Keil <isdn@linux-pingi.de>
Subject: Re: NOHZ: local_softirq_pending 08
Date: Fri, 23 Oct 2009 16:27:09 +0200	[thread overview]
Message-ID: <4AE1BD3D.3020007@imap.cc> (raw)
In-Reply-To: <1256304869.12174.20.camel@johannes.local>

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Johannes Berg schrieb:
> On Fri, 2009-10-23 at 01:37 +0200, Tilman Schmidt wrote:
> 
>> --- a/drivers/isdn/i4l/isdn_ppp.c
>> +++ b/drivers/isdn/i4l/isdn_ppp.c
>> @@ -1174,7 +1174,10 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
>>  #endif /* CONFIG_IPPP_FILTER */
>>  	skb->dev = dev;
>>  	skb_reset_mac_header(skb);
>> -	netif_rx(skb);
>> +	if (in_interrupt())
>> +		netif_rx(skb);
>> +	else
>> +		netif_rx_ni(skb);
> 
> So you've verified that the entire i4l stack can cope with being called
> twice on the same CPU, from different contexts?

What makes you think so?
Better yet, what do you propose?

Thanks,
Tilman

- --
Tilman Schmidt                    E-Mail: tilman@imap.cc
Bonn, Germany
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  reply	other threads:[~2009-10-23 14:27 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20091011095217.GA2200@darkstar>
2009-10-11 10:08 ` NOHZ: local_softirq_pending 08 Johannes Berg
2009-10-11 10:17   ` Michael Buesch
2009-10-11 10:37     ` Johannes Berg
2009-10-11 10:38     ` David Miller
2009-10-11 10:55   ` Dave Young
2009-10-11 11:18   ` Tilman Schmidt
2009-10-11 11:40     ` Johannes Berg
2009-10-12  8:28       ` Tilman Schmidt
2009-10-12 10:32         ` David Miller
2009-10-12 11:25           ` Tilman Schmidt
2009-10-15 11:40             ` Jarek Poplawski
2009-10-15 17:53               ` Jarek Poplawski
2009-10-21 18:46                 ` Tilman Schmidt
2009-10-21 21:19                   ` [PATCH] net: Adjust softirq raising in __napi_schedule Jarek Poplawski
2009-10-21 21:25                     ` Johannes Berg
2009-10-21 21:37                       ` Tilman Schmidt
2009-10-21 21:39                       ` Jarek Poplawski
2009-10-22  8:27                         ` Johannes Berg
2009-10-23 14:39                           ` Tilman Schmidt
2009-10-23 14:46                             ` Johannes Berg
2009-10-26  7:41                               ` Jarek Poplawski
2009-10-26  7:44                                 ` Johannes Berg
2009-10-26  7:54                                   ` Jarek Poplawski
2009-10-26  7:58                                     ` Johannes Berg
2009-10-26  8:47                                       ` Tilman Schmidt
2009-10-26  8:56                                         ` Johannes Berg
2009-10-27  0:52                                           ` Tilman Schmidt
2009-10-27  7:01                                             ` Johannes Berg
2009-10-22 11:29                         ` David Miller
2009-10-22 12:54                           ` Jarek Poplawski
2009-10-22 23:37                   ` NOHZ: local_softirq_pending 08 Tilman Schmidt
2009-10-23 13:34                     ` Johannes Berg
2009-10-23 14:27                       ` Tilman Schmidt [this message]
2009-10-23 14:31                         ` Johannes Berg
2009-10-23 16:33                           ` Tilman Schmidt

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