commit 7f5910ecabd3a36b9c06f73e33b673ccf150f3b4
author Dave Jones <davej@redhat.com> Thu Apr 27 18:39:24 2006 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> Fri Apr 28 08:33:47 2006 -0700
tree 17887871973a1475e79680966c4f843f1b7173f3
parent 1d3d1d3e0356b583b642b016f874e2d1bd578453

[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>

arch/i386/kernel/smpboot.c

diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index a696990..825b2b4 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -313,7 +313,9 @@
 			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;