linux-kernel - Re: [PATCH] Fix half-Y2K38 problem in timecompare

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Message-ID: <8bd0f97a0909291944q53a060buc7bcbb30c1240da7@mail.gmail.com>
Date:	Tue, 29 Sep 2009 22:44:48 -0400
From:	Mike Frysinger <vapier.adi@...il.com>
To:	Barry Song <21cnbao@...il.com>
Cc:	akpm@...ux-foundation.org, davem@...emloft.net,
	patrick.ohly@...el.com, uclinux-dist-devel@...ckfin.uclinux.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fix half-Y2K38 problem in timecompare_update while 
	calculating offset

On Mon, Sep 28, 2009 at 06:16, Barry Song wrote:
> ktime will overflow from 03:14:07 UTC on Tuesday, 19 January 2038,
> ktime_add() in timecompare_update() will overflow a half earlier.
> As a result, wrong offset will be gotten, then cause some strange
> problems.

Barry: you forgot to include your s-o-b tag ...
-mike
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