On Wed, Aug 15, 2012 at 03:34:04PM +0100, Arnd Bergmann wrote:
> On Tuesday 14 August 2012, Catalin Marinas wrote:
> > +asmlinkage int compat_sys_personality(compat_ulong_t personality)
> > +{
> > + int ret;
> > +
> > + if (personality(current->personality) == PER_LINUX32 &&
> > + personality == PER_LINUX)
> > + personality = PER_LINUX32;
> > + ret = sys_personality(personality);
> > + if (ret == PER_LINUX32)
> > + ret = PER_LINUX;
> > + return ret;
> > +}
>
> Where did you get this from?
>
> You should not need compat_sys_personality, just call the native function.
Hmm, but in that case an aarch32 application doing a personality(PER_LINUX)
syscall will start seeing the wrong uname.
Will
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