[PATCH 03/10] x86: Change NR_CPUS arrays in powernow-k8

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To: Andrew Morton <akpm@...>, Andi Kleen <ak@...>, <mingo@...>
Cc: Christoph Lameter <clameter@...>, Jack Steiner <steiner@...>, <linux-mm@...>, <linux-kernel@...>
Date: Sunday, January 13, 2008 - 2:34 pm

Change the following static arrays sized by NR_CPUS to
per_cpu data variables:

	powernow_k8_data *powernow_data[NR_CPUS];


Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Christoph Lameter <clameter@sgi.com>
---
 arch/x86/kernel/cpu/cpufreq/powernow-k8.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -53,7 +53,7 @@
 /* serialize freq changes  */
 static DEFINE_MUTEX(fidvid_mutex);
 
-static struct powernow_k8_data *powernow_data[NR_CPUS];
+static DEFINE_PER_CPU(struct powernow_k8_data *, powernow_data);
 
 static int cpu_family = CPU_OPTERON;
 
@@ -1052,7 +1052,7 @@ static int transition_frequency_pstate(s
 static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsigned relation)
 {
 	cpumask_t oldmask = CPU_MASK_ALL;
-	struct powernow_k8_data *data = powernow_data[pol->cpu];
+	struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
 	u32 checkfid;
 	u32 checkvid;
 	unsigned int newstate;
@@ -1128,7 +1128,7 @@ err_out:
 /* Driver entry point to verify the policy and range of frequencies */
 static int powernowk8_verify(struct cpufreq_policy *pol)
 {
-	struct powernow_k8_data *data = powernow_data[pol->cpu];
+	struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
 
 	if (!data)
 		return -EINVAL;
@@ -1233,7 +1233,7 @@ static int __cpuinit powernowk8_cpu_init
 		dprintk("cpu_init done, current fid 0x%x, vid 0x%x\n",
 			data->currfid, data->currvid);
 
-	powernow_data[pol->cpu] = data;
+	per_cpu(powernow_data, pol->cpu) = data;
 
 	return 0;
 
@@ -1247,7 +1247,7 @@ err_out:
 
 static int __devexit powernowk8_cpu_exit (struct cpufreq_policy *pol)
 {
-	struct powernow_k8_data *data = powernow_data[pol->cpu];
+	struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
 
 	if (!data)
 		return -EINVAL;
@@ -1268,7 +1268,7 @@ static unsigned int powernowk8_get (unsi
 	cpumask_t oldmask = current->cpus_allowed;
 	unsigned int khz = 0;
 
-	data = powernow_data[first_cpu(per_cpu(cpu_core_map, cpu))];
+	data = per_cpu(powernow_data, first_cpu(per_cpu(cpu_core_map, cpu)));
 
 	if (!data)
 		return -EINVAL;

-- 
--
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[PATCH 03/10] x86: Change NR_CPUS arrays in powernow-k8, , (Sun Jan 13, 2:34 pm)