x86: merge hard/logical_smp_processor_id

The code is now the same between i386 and x86_64. We already
know what happens when it reaches this point: They go away
from the arch-specific headers, and suddenly appears in the common
header.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 27 insertions, 0 deletions

diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h
index ef26911dc22a..e5534f19c312 100644
--- a/include/asm-x86/smp.h
+++ b/include/asm-x86/smp.h
@@ -123,6 +123,33 @@ void smp_store_cpu_info(int id);
 # include "smp_64.h"
 #endif
 
+#ifdef CONFIG_X86_LOCAL_APIC
+
+static inline int logical_smp_processor_id(void)
+{
+        /* we don't want to mark this access volatile - bad code generation */
+        return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR));
+}
+
+# ifdef APIC_DEFINITION
+extern int hard_smp_processor_id(void);
+# else
+#  include <mach_apicdef.h>
+static inline int hard_smp_processor_id(void)
+{
+        /* we don't want to mark this access volatile - bad code generation */
+        return GET_APIC_ID(*(u32 *)(APIC_BASE + APIC_ID));
+}
+# endif /* APIC_DEFINITION */
+
+#else /* CONFIG_X86_LOCAL_APIC */
+
+# ifndef CONFIG_SMP
+#  define hard_smp_processor_id()       0
+# endif
+
+#endif /* CONFIG_X86_LOCAL_APIC */
+
 #ifdef CONFIG_HOTPLUG_CPU
 extern void cpu_exit_clear(void);
 extern void cpu_uninit(void);