Re: [PATCH 5/5] task_work: use TIF_NOTIFY_SIGNAL if available
From: Oleg Nesterov
Date: Fri Oct 16 2020 - 10:51:50 EST
On 10/16, Thomas Gleixner wrote:
>
> With moving the handling into get_signal() you don't need more changes
> to arch/* than adding the TIF bit, right?
we still need to do something like
- if (thread_flags & _TIF_SIGPENDING)
+ if (thread_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
do_signal(...);
and add _TIF_NOTIFY_SIGNAL to the WORK-PENDING mask in arch/* code.
Oleg.