1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 00853b254ab0..ba6cc041edb1 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1297,7 +1297,7 @@ void setup_local_APIC(void)
         unsigned int value, queued;
         int i, j, acked = 0;
         unsigned long long tsc = 0, ntsc;
-        long long max_loops = cpu_khz;
+        long long max_loops = cpu_khz ? cpu_khz : 1000000;
 
         if (cpu_has_tsc)
                 rdtscll(tsc);
@@ -1383,7 +1383,7 @@ void setup_local_APIC(void)
                         break;
                 }
                 if (queued) {
-                        if (cpu_has_tsc) {
+                        if (cpu_has_tsc && cpu_khz) {
                                 rdtscll(ntsc);
                                 max_loops = (cpu_khz << 10) - (ntsc - tsc);
                         } else