linux-kernel - Re: gettimeofday() jumping into the future

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Message-ID: <47F4CBF2.8020802@superbug.co.uk>
Date:	Thu, 03 Apr 2008 13:22:10 +0100
From:	James Courtier-Dutton <James@...erbug.co.uk>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Tim Ricketts <tr@...th.li>, Michael Smith <msmith@...h.org>,
	linux-kernel@...r.kernel.org, Andy Wingo <wingo@...endo.com>,
	tglx@...utronix.de
Subject: Re: gettimeofday() jumping into the future

James Courtier-Dutton wrote:
> than half of the max value cycle_now can have, one can take a very
> simple approach.
> Treat the cycle_now, cycle_last value as signed.
> If they have same sign, do the comparison as unsigned.
> If they have different signs, do the comparision as signed.
>
> James
>
Sorry,
 >Treat the cycle_now, cycle_last value as signed.
 >If they have same sign, do the comparison as unsigned.
 >If they have different signs, do the comparision as signed.
is wrong.


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