x86, cpu: Add a synthetic, always true, cpu feature

This will be used in alternatives later as an always-replace flag.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1370772454-6106-2-git-send-email-bp@alien8.de
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index d4dd993..d388ce1 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -723,6 +723,8 @@
 
 	if (this_cpu->c_bsp_init)
 		this_cpu->c_bsp_init(c);
+
+	setup_force_cpu_cap(X86_FEATURE_ALWAYS);
 }
 
 void __init early_cpu_init(void)