x86, mpx: Add MPX to disabled features
authorDave Hansen <dave.hansen@linux.intel.com>
Fri, 14 Nov 2014 15:18:23 +0000 (07:18 -0800)
committerThomas Gleixner <tglx@linutronix.de>
Mon, 17 Nov 2014 23:58:53 +0000 (00:58 +0100)
commit95290cf13e561b52dceadb9a8b8ee8ff2464b142
treefe054d06275253a707be92248c82110081521ffe
parent53f037b08b5bebf47aa2b574a984e2f9fc7926f2
x86, mpx: Add MPX to disabled features

This allows us to use cpu_feature_enabled(X86_FEATURE_MPX) as
both a runtime and compile-time check.

When CONFIG_X86_INTEL_MPX is disabled,
cpu_feature_enabled(X86_FEATURE_MPX) will evaluate at
compile-time to 0. If CONFIG_X86_INTEL_MPX=y, then the cpuid
flag will be checked at runtime.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Qiaowei Ren <qiaowei.ren@intel.com>
Cc: linux-mm@kvack.org
Cc: linux-mips@linux-mips.org
Cc: Dave Hansen <dave@sr71.net>
Link: http://lkml.kernel.org/r/20141114151823.B358EAD2@viggo.jf.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/include/asm/disabled-features.h