Re: [resend][PATCH 3/4] move cred_guard_mutex from task_struct tosignal_struct

[Roland McGrath]

> Except: I am not sure about -stable. At least, this patch should
> not go into the <2.6.35 kernels, it relies on misc changes which
> changed the scope of task->signal. Before 2.6.35 almost any user
> of ->cred_guard_mutex can race with exit and hit ->signal == NULL.

I see no justification for a change like this in any -stable tree.  It's
just a cleanup, right?  If it's a prerequisite for the fix we like for an
"important" bug, then that's a different story.  In its own right, it's
clearly not appropriate for backporting.


Thanks,
Roland
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