diff options
| author | Dave Hansen <[email protected]> | 2015-06-07 11:37:06 -0700 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2015-06-09 12:24:34 +0200 |
| commit | 97ac46a5087eaf87fd76ff7bb31ec9c896010442 (patch) | |
| tree | 9947e89e35381781675e15d2bf0f1fd134f343ea | |
| parent | bea03c50b871a2fa922f31ad7c9993bb4fc7b192 (diff) | |
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]>
| -rw-r--r-- | arch/x86/mm/mpx.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index 6233d5195f01..7a657f58bbea 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. */ |