[PATCH] Avoid printing pointless tsc skew msgs

These messages are kinda silly..

CPU#0 had 0 usecs TSC skew, fixed it up.
CPU#1 had 0 usecs TSC skew, fixed it up.

inspired from: http://bugzilla.kernel.org/attachment.cgi?id=7713&action=view

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index a6969903f2d6ff80ef0116ec7dc262f36b7763cc..825b2b4ca721a1c931abb2114afd0483c6c3a1ae 100644 (file)
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -313,7 +313,9 @@ static void __init synchronize_tsc_bp (void)
                        if (tsc_values[i] < avg)
                                realdelta = -realdelta;
 
-                       printk(KERN_INFO "CPU#%d had %ld usecs TSC skew, fixed it up.\n", i, realdelta);
+                       if (realdelta > 0)
+                               printk(KERN_INFO "CPU#%d had %ld usecs TSC "
+                                       "skew, fixed it up.\n", i, realdelta);
                }
 
                sum += delta;