Commit-ID: 97ac46a5087eaf87fd76ff7bb31ec9c896010442 Gitweb: http://git.kernel.org/tip/97ac46a5087eaf87fd76ff7bb31ec9c896010442 Author: Dave Hansen <[email protected]> AuthorDate: Sun, 7 Jun 2015 11:37:06 -0700 Committer: Ingo Molnar <[email protected]> CommitDate: Tue, 9 Jun 2015 12:24:34 +0200
x86/mpx: Allow 32-bit binaries on 64-bit kernels again Now that the bugs in mixed mode MPX handling are fixed, re-allow 32-bit binaries on 64-bit kernels again. Signed-off-by: Dave Hansen <[email protected]> Reviewed-by: Thomas Gleixner <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Dave Hansen <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- arch/x86/mm/mpx.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index 6233d51..7a657f5 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -367,12 +367,6 @@ static __user void *mpx_get_bounds_dir(void) 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/
