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| author | Ingo Molnar <mingo@kernel.org> | 2015-01-28 15:42:56 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-01-28 15:42:56 +0100 |
| commit | f10698ed6807dc41d021fb7baeb24f9bc4051837 (patch) | |
| tree | fe9229efe38ad31788843a7535bfc3feb89f79a7 /arch/x86/mm/mpx.c | |
| parent | 86038c5ea81b519a8a1fcfcd5e4599aab0cdd119 (diff) | |
| parent | e742f3dc0886a92403d578e8ac771e5e33d06d08 (diff) | |
| download | talos-op-linux-f10698ed6807dc41d021fb7baeb24f9bc4051837.tar.gz talos-op-linux-f10698ed6807dc41d021fb7baeb24f9bc4051837.zip | |
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/mm/mpx.c')
| -rw-r--r-- | arch/x86/mm/mpx.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index 67ebf5751222..c439ec478216 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -349,6 +349,12 @@ static __user void *task_get_bounds_dir(struct task_struct *tsk) 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. */ |
