Messages in this thread | | | Date | Mon, 22 Dec 2014 12:21:35 -0800 | From | Dave Hansen <> | Subject | Re: [PATCH 1/2] x86, mpx: explicitly disable 32-bit MPX support on 64-bit kernels |
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On 12/22/2014 12:17 PM, Andy Lutomirski wrote: >> > /* >> > + * 32-bit binaries on 64-bit kernels are currently >> > + * unsupported. >> > + */ >> > + if (IS_ENABLED(CONFIG_X86_64) && test_thread_flag(TIF_IA32)) >> > + return MPX_INVALID_BOUNDS_DIR; > Should this check mm->ia32_compat instead?
set_personality_64bit/ia32() seem to make that and TIF_IA32 awfully equivalent. Is there a specific reason for wanting it done this way?
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