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SubjectRe: [PATCH] for account_group_exec_runtime(), make sure ->signal can't be freed under rq->lock

* Oleg Nesterov <oleg@redhat.com> wrote:

> The patch is ugly, but I don't see the better fix for now. Needs the
> review from Peter/Ingo.

this is indeed too ugly, and if we do it we'll get both this ugliness
and the CPU loop upstream forever. Frank, if you dont have time to fix
this code, then i guess the best thing is to do the full revert that
Peter sent.

Regarding this teardown bug. Stupid question: why cannot the signal
structure live as long as the last user is around? It's a tiny amount
of RAM.

Ingo


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