From: Oleg Nesterov on
On 06/02, Oleg Nesterov wrote:
> I am starting to think we should fix this per arch. As for x86, perhaps
> we should start with this one-liner
> spin_unlock_irq(&current->sighand->siglock);
> tracehook_signal_handler(sig, info, ka, regs,
> - test_thread_flag(TIF_SINGLESTEP));
> + test_and_clear_thread_flag(TIF_SINGLESTEP));
> return 0;
> }
> then do other changes.

I am sending this patch. It is still not clear to me what is the
"right" fix, we need more discussion. Let's fix the bug first.


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