x86: print info about late C1E detection on 32bit as well

Some BIOSes set the C1E flag only on the second core. Print a warning so
the Firmware Toolkit can check for it.

mingo: fix C1E build bug on 32-bit

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index dcf6bbb..5f8af87 100644 (file)
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -4,6 +4,7 @@
 #include <asm/io.h>
 #include <asm/processor.h>
 #include <asm/apic.h>
+#include <asm/mach_apic.h>
 
 #include "cpu.h"
 
@@ -45,13 +46,17 @@ static __cpuinit int amd_apic_timer_broken(void)
        case CPUID_XFAM_10H:
        case CPUID_XFAM_11H:
                rdmsr(MSR_K8_ENABLE_C1E, lo, hi);
-               if (lo & ENABLE_C1E_MASK)
+               if (lo & ENABLE_C1E_MASK) {
+                       if (smp_processor_id() != boot_cpu_physical_apicid)
+                               printk(KERN_INFO "AMD C1E detected late. "
+                                      "        Force timer broadcast.\n");
                        return 1;
-                break;
-        default:
-                /* err on the side of caution */
+               }
+               break;
+       default:
+               /* err on the side of caution */
                return 1;
-        }
+       }
        return 0;
 }
 #endif