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Re: PATCH: Add sys/personality (Re: Personality)
- From: "H. J. Lu" <hjl at lucon dot org>
- To: Carsten Langgaard <carstenl at mips dot com>
- Cc: Ralf Baechle <ralf at oss dot sgi dot com>,GNU C Library <libc-alpha at sources dot redhat dot com>,linux-mips at oss dot sgi dot com, linux kernel <linux-kernel at vger dot kernel dot org>
- Date: Tue, 16 Jul 2002 19:08:14 -0700
- Subject: Re: PATCH: Add sys/personality (Re: Personality)
- References: <3D33DAB2.353A4399@mips.com> <20020716123632.B17038@dea.linux-mips.net> <20020716090728.A22128@lucon.org> <3D347120.B9CAFF75@mips.com>
On Tue, Jul 16, 2002 at 09:16:48PM +0200, Carsten Langgaard wrote:
> Thanks.
> Now that we are at it, what should personality return in case it's called with a
> value, which isn't defined in the personality.h file.
> Should it return -EINVAL ?
> I don't think, that is the case at the moment, I believe you can set personality
> to anything.
>
Like this?
H.J.
---
--- kernel/exec_domain.c.per Mon Jun 10 10:05:27 2002
+++ kernel/exec_domain.c Tue Jul 16 19:06:13 2002
@@ -223,7 +223,8 @@ sys_personality(u_long personality)
if (personality != 0xffffffff) {
set_personality(personality);
- if (current->personality != personality)
+ if (personality < current->exec_domain->pers_low
+ || personality > current->exec_domain->pers_high)
return -EINVAL;
}