linux-kernel - Re: compat_sys_times() bogus until jiffies >= 0.

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Message-Id: <20071107.222248.29361088.davem@davemloft.net>
Date:	Wed, 07 Nov 2007 22:22:48 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	paulus@...ba.org
Cc:	akpm@...ux-foundation.org, lkml@...idb.org,
	linux-kernel@...r.kernel.org, drepper@...hat.com,
	mtk-manpages@....net
Subject: Re: compat_sys_times() bogus until jiffies >= 0.

From: Paul Mackerras <paulus@...ba.org>
Date: Thu, 8 Nov 2007 15:59:12 +1100

> Not on powerpc.  On powerpc the error indication is carried separately
> in a condition register bit.  So a force_successful_syscall_return()
> call will make glibc automatically do the right thing without any
> glibc changes on powerpc.

It still won't fix the problem.

When the return value is (clock_t) -1, all the
force_successful_syscall_return() calls and glibc condition
codes checks in the world are not going to fix the application
code which checks for error using -1.
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