Re: Hung task when calling clone() due to netfilter/slab

[Christoph Lameter]

On Thu, 19 Jan 2012, Eric W. Biederman wrote:

> Oh.  I see.  The problem is calling kobject_uevent (which happens to
> live in slabs sysfs_slab_add) with a lock held.  And kobject_uevent
> makes a blocking call to userspace.
>
> No locks held seems to be a good policy on that one.

Well we can just remove that call to kobject_uevent instead then. Does it
do anything useful? Cannot remember why we put that in there.

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