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

[Mike Travis]

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@xxxxxxx>
---
 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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