[SPARC64]: Warn user if cpu is ignored.

When NR_CPUS is smaller than the cpu probed, let the user know that the cpu won't be used. Suggested by Al Viro. Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · Sep 16, 2007 · 8a177c4 · 8a177c4
1 parent 301feb6
commit 8a177c4
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/arch/sparc64/kernel/mdesc.c b/arch/sparc64/kernel/mdesc.c
@@ -777,8 +777,12 @@ void __devinit mdesc_fill_in_cpu_data(cpumask_t mask)
 		cpuid = *id;
 
 #ifdef CONFIG_SMP
-		if (cpuid >= NR_CPUS)
+		if (cpuid >= NR_CPUS) {
+			printk(KERN_WARNING "Ignoring CPU %d which is "
+			       ">= NR_CPUS (%d)\n",
+			       cpuid, NR_CPUS);
 			continue;
+		}
 		if (!cpu_isset(cpuid, mask))
 			continue;
 #else

diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
@@ -1583,8 +1583,12 @@ static void __init of_fill_in_cpu_data(void)
 		ncpus_probed++;
 
 #ifdef CONFIG_SMP
-		if (cpuid >= NR_CPUS)
+		if (cpuid >= NR_CPUS) {
+			printk(KERN_WARNING "Ignoring CPU %d which is "
+			       ">= NR_CPUS (%d)\n",
+			       cpuid, NR_CPUS);
 			continue;
+		}
 #else
 		/* On uniprocessor we only want the values for the
 		 * real physical cpu the kernel booted onto, however