| Date | Thu, 16 Aug 2012 11:28:09 +0100 | From | Will Deacon <> | Subject | Re: [PATCH v2 21/31] arm64: 32-bit (compat) applications support |
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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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