linux-kernel - Re: Q: sys_futex() && timespec

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Message-ID: <alpine.LFD.2.00.1006281732460.2530@localhost.localdomain>
Date:	Mon, 28 Jun 2010 17:33:59 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Andreas Schwab <schwab@...hat.com>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ulrich Drepper <drepper@...hat.com>,
	Darren Hart <dvhltc@...ibm.com>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Danny Feng <dfeng@...hat.com>,
	Jakub Jelinek <jakub@...hat.com>, linux-kernel@...r.kernel.org,
	Oleg Nesterov <oleg@...hat.com>
Subject: Re: Q: sys_futex() && timespec_valid()

On Mon, 28 Jun 2010, Andreas Schwab wrote:

> Linus Torvalds <torvalds@...ux-foundation.org> writes:
> 
> > We know it's not a valid absolute timeout, since there's no way
> > somebody is "waiting" for something that happened in the sixties.
> 
> Should it reject timestamps from the seventies?

No, because that's in the _VALID_ range of CLOCK_REALTIME and tv_sec
is >= 0. So we are nice to the post flower power folks.

Thanks,

	tglx
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