[PATCH 7/7] x86: Limit number of per cpu TSC sync messages

Limit the number of per cpu TSC sync messages when system is booting to
prevent clogging up the console output with repetitious messages.

Signed-off-by: Mike Travis <travis@...>
---
 arch/x86/kernel/tsc_sync.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

--- linux.orig/arch/x86/kernel/tsc_sync.c
+++ linux/arch/x86/kernel/tsc_sync.c
@@ -118,9 +118,6 @@
  return;
  }
 
- pr_info("checking TSC synchronization [CPU#%d -> CPU#%d]:",
- smp_processor_id(), cpu);
-
  /*
  * Reset it - in case this is a second bootup:
  */
@@ -142,12 +139,13 @@
  cpu_relax();
 
  if (nr_warps) {
- printk("\n");
+ pr_warning("TSC synchronization [CPU#%d -> CPU#%d]:\n",
+ smp_processor_id(), cpu);
  pr_warning("Measured %Ld cycles TSC warp between CPUs, "
    "turning off TSC clock.\n", max_warp);
  mark_tsc_unstable("check_tsc_sync_source failed");
  } else {
- printk(" passed.\n");
+ pr_debug("TSC synchronization [CPU#%d -> CPU#%d]: passed\n");
  }
 
  /*

--
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