On 11/20, Roland McGrath wrote:
>
> Subject should be "kill PT_ATTACHED".
>
> > - (!(child->ptrace & PT_ATTACHED) || child->real_parent != current)
> > - && child->signal != NULL) {
> > + child->sighand != NULL) {
>
> This does s/signal/sighand/ without comment.
Ah yes, sorry, forgot to add the comment.
This is microoptimization, both ->signal and ->sighand are cleared at the same
time in __exit_signal(), so we can check either. But we are using the value of
->sighand below, so it makes sense to read ->sighand, not ->signal.
Andrew, it is very easy to send the new patch to fix the code, but is it possible
to fix the changelog somehow for the patch in -mm tree?
Oleg.
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