x86: Fix keeping track of AMD C1E

[linux-2.6-block.git] / arch / x86 / kernel / process.c

diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 553b02f13094a227a8397d59ec2776f8396a141f..b944f89c4e6efed5829a2ddc1f598ab7301d74c3 100644 (file)
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -525,8 +525,10 @@ static int __cpuinit mwait_usable(const struct cpuinfo_x86 *c)
        return (edx & MWAIT_EDX_C1);
 }
 
+bool c1e_detected;
+EXPORT_SYMBOL(c1e_detected);
+
 static cpumask_var_t c1e_mask;
-static int c1e_detected;
 
 void c1e_remove_cpu(int cpu)
 {
@@ -548,12 +550,12 @@ static void c1e_idle(void)
                u32 lo, hi;
 
                rdmsr(MSR_K8_INT_PENDING_MSG, lo, hi);
+
                if (lo & K8_INTP_C1E_ACTIVE_MASK) {
-                       c1e_detected = 1;
+                       c1e_detected = true;
                        if (!boot_cpu_has(X86_FEATURE_NONSTOP_TSC))
                                mark_tsc_unstable("TSC halt in AMD C1E");
                        printk(KERN_INFO "System has AMD C1E enabled\n");
-                       set_cpu_cap(&boot_cpu_data, X86_FEATURE_AMDC1E);
                }
        }