Re: [PATCH] x86_64: Limit the number of processor bootup messages

[Dave Jones <davej@redhat.com>]

On Thu, Nov 12, 2009 at 02:57:33PM -0800, H. Peter Anvin wrote:
 > On 11/12/2009 02:22 PM, Dave Jones wrote:
 > > 
 > > But I don't disagree with Andi either, that it's not particularly useful,
 > > and we can get all this from userspace in /proc/cpuinfo, or x86info.
 > > 
 > 
 > I personally don't think it's useful at all.  It gives information about
 > the processor which can be obtained from other sources.  What we want is
 > enough information that the CPU can be unambiguously identified, so that
 > when someone posts dmesg we can tell what machine they came from.

In which case..

	Dave

--- 


Remove the CPU cache size printk's.

They aren't useful, and pollute the dmesg output a lot (especially on machines with many cores).
Also the same information can be trivially found out from userspace.

Signed-off-by: Dave Jones <davej@redhat.com>

diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 804c40e..868fcdd 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -488,22 +493,6 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
 #endif
 	}
 
-	if (trace)
-		printk(KERN_INFO "CPU: Trace cache: %dK uops", trace);
-	else if (l1i)
-		printk(KERN_INFO "CPU: L1 I cache: %dK", l1i);
-
-	if (l1d)
-		printk(KERN_CONT ", L1 D cache: %dK\n", l1d);
-	else
-		printk(KERN_CONT "\n");
-
-	if (l2)
-		printk(KERN_INFO "CPU: L2 cache: %dK\n", l2);
-
-	if (l3)
-		printk(KERN_INFO "CPU: L3 cache: %dK\n", l3);
-
 	c->x86_cache_size = l3 ? l3 : (l2 ? l2 : (l1i+l1d));
 
 	return l2;