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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next prev parent 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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