x86, mpx: allow mixed binaries again
From: Dave Hansen <dave.hansen@linux.intel.com>
We explicitly disable allowing 32-bit binaries to enable
MPX on 64-bit kernels. Re-allow that.
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c
index f5b16d0..de2bb66 100644
--- a/arch/x86/mm/mpx.c
+++ b/arch/x86/mm/mpx.c
@@ -368,12 +368,6 @@
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.
*/
