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SubjectRe: Please add to stable: module: don't unlink the module until we've removed all exposure.
Date
Ben Greear <greearb@candelatech.com> writes:

> It turns out, the bug I spent yesterday chasing in various 3.9 kernels is apparently
> fixed by the commit in the title (c9c390bb5535380d40614571894ef0c00bc026ff).

Apparently being the operative word.

This commit avoids the entire "module insert failed due to sysfs race"
path in the common case, it doesn't fix any actual problem.

I think the real commit you want is Linus' kobject fix
a49b7e82cab0f9b41f483359be83f44fbb6b4979 "kobject: fix kset_find_obj()
race with concurrent last kobject_put()".

Or is that already in stable?

Cheers,
Rusty.


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