Currently, a debug message gets printed every time an attempt to
add(remove) a CPU. However this is redundant if the CPU is already added
(removed) from the node.

Cc: linuxppc-dev@lists.ozlabs.org
Cc: Nathan Lynch <nath...@linux.ibm.com>
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: Ingo Molnar <mi...@kernel.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Valentin Schneider <valentin.schnei...@arm.com>
Cc: Gautham R Shenoy <e...@linux.vnet.ibm.com>
Cc: Vincent Guittot <vincent.guit...@linaro.org>
Cc: Geetika Moolchandani <geetika.moolchanda...@ibm.com>
Cc: Laurent Dufour <lduf...@linux.ibm.com>
Signed-off-by: Srikar Dronamraju <sri...@linux.vnet.ibm.com>
---
 arch/powerpc/mm/numa.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 6d0d89127190..f68dbe4e982c 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -141,10 +141,11 @@ static void map_cpu_to_node(int cpu, int node)
 {
        update_numa_cpu_lookup_table(cpu, node);
 
-       dbg("adding cpu %d to node %d\n", cpu, node);
 
-       if (!(cpumask_test_cpu(cpu, node_to_cpumask_map[node])))
+       if (!(cpumask_test_cpu(cpu, node_to_cpumask_map[node]))) {
+               dbg("adding cpu %d to node %d\n", cpu, node);
                cpumask_set_cpu(cpu, node_to_cpumask_map[node]);
+       }
 }
 
 #if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_PPC_SPLPAR)
@@ -152,13 +153,11 @@ static void unmap_cpu_from_node(unsigned long cpu)
 {
        int node = numa_cpu_lookup_table[cpu];
 
-       dbg("removing cpu %lu from node %d\n", cpu, node);
-
        if (cpumask_test_cpu(cpu, node_to_cpumask_map[node])) {
                cpumask_clear_cpu(cpu, node_to_cpumask_map[node]);
+               dbg("removing cpu %lu from node %d\n", cpu, node);
        } else {
-               printk(KERN_ERR "WARNING: cpu %lu not found in node %d\n",
-                      cpu, node);
+               pr_err("WARNING: cpu %lu not found in node %d\n", cpu, node);
        }
 }
 #endif /* CONFIG_HOTPLUG_CPU || CONFIG_PPC_SPLPAR */
-- 
2.27.0

Reply via email to