On Fri, 8 May 2015, Dave Hansen wrote: > We explicitly disable allowing 32-bit binaries to enable > MPX on 64-bit kernels. Re-allow that. > > Signed-off-by: Dave Hansen <[email protected]>
Reviewed-by: Thomas Gleixner <[email protected]> > --- > > b/arch/x86/mm/mpx.c | 6 ------ > 1 file changed, 6 deletions(-) > > diff -puN arch/x86/mm/mpx.c~x86-mpx-allow-mixed-binaries-again > arch/x86/mm/mpx.c > --- a/arch/x86/mm/mpx.c~x86-mpx-allow-mixed-binaries-again 2015-05-08 > 11:46:23.253134695 -0700 > +++ b/arch/x86/mm/mpx.c 2015-05-08 11:46:23.256134830 -0700 > @@ -368,12 +368,6 @@ static __user void *mpx_get_bounds_dir(v > return MPX_INVALID_BOUNDS_DIR; > > /* > - * 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; > - /* > * The bounds directory pointer is stored in a register > * only accessible if we first do an xsave. > */ > _ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
