powerpc: kernel: remove useless code which related with 'max_cpus'
authorChen Gang <gang.chen@asianux.com>
Mon, 22 Jul 2013 06:40:20 +0000 (14:40 +0800)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 2 Dec 2013 03:06:58 +0000 (14:06 +1100)
Since not need 'max_cpus' after the related commit, the related code
are useless too, need be removed.

The related commit:

  c1aa687 powerpc: Clean up obsolete code relating to decrementer and timebase

The related warning:

  arch/powerpc/kernel/smp.c:323:43: warning: parameter ‘max_cpus’ set but not used [-Wunused-but-set-parameter]

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/smp.c

index a3b64f3..19d654b 100644 (file)
@@ -369,13 +369,8 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
        cpumask_set_cpu(boot_cpuid, cpu_sibling_mask(boot_cpuid));
        cpumask_set_cpu(boot_cpuid, cpu_core_mask(boot_cpuid));
 
-       if (smp_ops)
-               if (smp_ops->probe)
-                       max_cpus = smp_ops->probe();
-               else
-                       max_cpus = NR_CPUS;
-       else
-               max_cpus = 1;
+       if (smp_ops && smp_ops->probe)
+               smp_ops->probe();
 }
 
 void smp_prepare_boot_cpu(void)