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From: Thomas Graf <tgraf@suug.ch>
To: "YOSHIFUJI Hideaki / ?$B5HF#1QL@" <yoshfuji@linux-ipv6.org>,
	Lennert Buytenhek <buytenh@wantstofly.org>
Cc: netdev@oss.sgi.com
Subject: Re: race in net/ipv4/ipip.c ?
Date: Wed, 12 Jan 2005 14:21:26 +0100	[thread overview]
Message-ID: <20050112132126.GI26856@postel.suug.ch> (raw)
In-Reply-To: <20050112130940.GA12547@xi.wantstofly.org> <20050112.220816.56650893.yoshfuji@linux-ipv6.org>

* YOSHIFUJI Hideaki / ?$B5HF#1QL@ <20050112.220816.56650893.yoshfuji@linux-ipv6.org> 2005-01-12 22:08
> How about adding multiple tunnels (with same ipip_bucket(t))
> concurrently? :-)
> 

* Lennert Buytenhek <20050112130940.GA12547@xi.wantstofly.org> 2005-01-12 14:09
> What if you add two tunnels at the same time?  (Or is that perhaps
> synchronised on a higher level?)

Not possible, protected via rtnl semaphore acquired in default
handler of dev_ioctl.

  reply	other threads:[~2005-01-12 13:21 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-12 12:23 race in net/ipv4/ipip.c ? Lennert Buytenhek
2005-01-12 12:53 ` Thomas Graf
2005-01-12 13:08   ` YOSHIFUJI Hideaki / 吉藤英明
2005-01-12 13:21     ` Thomas Graf [this message]
2005-01-12 13:36       ` YOSHIFUJI Hideaki / 吉藤英明
2005-01-14  4:54         ` David S. Miller
2005-01-14  5:10           ` YOSHIFUJI Hideaki / 吉藤英明
2005-01-12 19:02       ` David S. Miller
2005-01-12 13:09   ` Lennert Buytenhek

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