linux-kernel - Re: [PATCH] do_sigaction: remove now unneeded recalc

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Message-Id: <20070802224048.524644D04B5@magilla.localdomain>
Date:	Thu,  2 Aug 2007 15:40:48 -0700 (PDT)
From:	Roland McGrath <roland@...hat.com>
To:	Oleg Nesterov <oleg@...sign.ru>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] do_sigaction: remove now unneeded recalc_sigpending()

> With the recent changes, do_sigaction()->recalc_sigpending_and_wake() can
> 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@...sign.ru>

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


Thanks,
Roland
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