linux-kernel - [RFC PATCH 2/2] powerpc/smp: use early_cpu_to_node() instead of direct references to numa_cpu_lookup

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Message-ID: <20150702230332.GB2807@linux.vnet.ibm.com>
Date:	Thu, 2 Jul 2015 16:03:32 -0700
From:	Nishanth Aravamudan <nacc@...ux.vnet.ibm.com>
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	David Rientjes <rientjes@...gle.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Anton Blanchard <anton@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [RFC PATCH 2/2] powerpc/smp: use early_cpu_to_node() instead of
 direct references to numa_cpu_lookup_table

A simple move to a wrapper function to numa_cpu_lookup_table, now that
power has the early_cpu_to_node() API.

Signed-off-by: Nishanth Aravamudan <nacc@...ux.vnet.ibm.com>

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index ec9ec20..7bf333b 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -381,9 +381,9 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 		 * numa_node_id() works after this.
 		 */
 		if (cpu_present(cpu)) {
-			set_cpu_numa_node(cpu, numa_cpu_lookup_table[cpu]);
+			set_cpu_numa_node(cpu, early_cpu_to_node(cpu));
 			set_cpu_numa_mem(cpu,
-				local_memory_node(numa_cpu_lookup_table[cpu]));
+				local_memory_node(early_cpu_to_node(cpu)));
 		}
 	}
 
@@ -400,7 +400,7 @@ void smp_prepare_boot_cpu(void)
 #ifdef CONFIG_PPC64
 	paca[boot_cpuid].__current = current;
 #endif
-	set_numa_node(numa_cpu_lookup_table[boot_cpuid]);
+	set_numa_node(early_cpu_to_node(boot_cpuid));
 	current_set[boot_cpuid] = task_thread_info(current);
 }
 

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