diff options
| -rw-r--r-- | arch/x86/kernel/tsc_sync.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c index 7110078f242..0577825cf89 100644 --- a/arch/x86/kernel/tsc_sync.c +++ b/arch/x86/kernel/tsc_sync.c @@ -87,7 +87,11 @@ static __cpuinit void check_tsc_warp(void) nr_warps++; __raw_spin_unlock(&sync_lock); } - + } + if (!(now-start)) { + printk("Warning: zero tsc calibration delta: %Ld [max: %Ld]\n", + now-start, end-start); + WARN_ON(1); } } |