linux-kernel - Re: SYS_personality does not work correctly on mips(el)64

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Date:	Fri, 13 Oct 2006 10:52:06 +0100
From:	Thiemo Seufer <ths@...workno.de>
To:	Aurelien Jarno <aurelien@...el32.net>
Cc:	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Subject: Re: SYS_personality does not work correctly on mips(el)64

Aurelien Jarno wrote:
> Hi all,
> 
> On mips(el), when doing multiple call to the syscall SYS_personality in 
> order to get the current personality (using 0xffffffff for the first 
> argument), on a 64-bit kernel, the second and subsequent syscalls are 
> failing. That works correctly with a 32-bit kernels and on other 
> architectures.

That's caused by mis-handling broken sign extensions, see also
http://bugs.debian.org/380531.


Thiemo
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