> With the recent changes, do_sigaction()->recalc_sigpending_and_wake() can
quoted text
> never clear TIF_SIGPENDING. Instead, it can set this flag and wake up the
> thread without any reason. Harmless, but unneeded and wastes CPU.
> 
> Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>

ACK.  (We agreed months ago this was the thing to do.)


Thanks,
Roland
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