Messages in this thread | | | Date | Fri, 10 Apr 2009 02:18:54 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 2/2] sysctl: lockdep support for sysctl reference counting. |
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On Sat, 21 Mar 2009 00:42:19 -0700 ebiederm@xmission.com (Eric W. Biederman) wrote:
> It is possible for get lock ordering deadlocks between locks > and waiting for the sysctl used count to drop to zero. We have > recently observed one of these in the networking code. > > So teach the sysctl code how to speak lockdep so the kernel > can warn about these kinds of rare issues proactively.
`make headers_check':
/usr/src/25/usr/include/linux/sysctl.h:31: included file 'linux/lockdep.h' is not exported make[2]: *** [/usr/src/25/usr/include/linux/.check] Error 1
It looks like we'll need version 2 on these patches..
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