Messages in this thread Patch in this message | | | Date | Thu, 12 Nov 2009 11:19:41 -0600 | From | Mike Travis <> | Subject | [PATCH 7/7] x86: Limit number of per cpu TSC sync messages |
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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@sgi.com> --- 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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