From: travis@sgi.com
To: Andrew Morton <akpm@linux-foundation.org>,
Andi Kleen <ak@suse.de>,
mingo@elte.hu
Cc: Christoph Lameter <clameter@sgi.com>,
Jack Steiner <steiner@sgi.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: [PATCH 03/10] x86: Change NR_CPUS arrays in powernow-k8 V2
Date: Mon, 14 Jan 2008 18:17:38 -0800 [thread overview]
Message-ID: <20080115021736.402113000@sgi.com> (raw)
In-Reply-To: <20080115021735.779102000@sgi.com>
[-- Attachment #1: NR_CPUS-arrays-in-powernow-k8 --]
[-- Type: text/plain, Size: 2469 bytes --]
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>
---
V1->V2:
- (none)
---
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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next prev parent reply other threads:[~2008-01-15 2:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-15 2:17 [PATCH 00/10] x86: Reduce memory and intra-node effects with large count NR_CPUs V2 travis
2008-01-15 2:17 ` [PATCH 01/10] x86: Change size of APICIDs from u8 to u16 V2 travis
2008-01-15 2:17 ` [PATCH 02/10] x86: Change size of node ids " travis
2008-01-15 5:59 ` Eric Dumazet
2008-01-15 15:51 ` Mike Travis
2008-01-15 2:17 ` travis [this message]
2008-01-15 2:17 ` [PATCH 04/10] x86: Change NR_CPUS arrays in intel_cacheinfo V2 travis
2008-01-15 2:17 ` [PATCH 05/10] x86: Change NR_CPUS arrays in smpboot_64 V2 travis
2008-01-15 2:17 ` [PATCH 06/10] x86: Change NR_CPUS arrays in topology V2 travis
2008-01-15 2:17 ` [PATCH 07/10] x86: Cleanup x86_cpu_to_apicid references V2 travis
2008-01-15 2:17 ` [PATCH 08/10] x86: Change NR_CPUS arrays in numa_64 V2 travis
2008-01-15 10:54 ` Andi Kleen
2008-01-15 22:23 ` Mike Travis
2008-01-15 2:17 ` [PATCH 09/10] x86: Change NR_CPUS arrays in acpi-cpufreq V2 travis
2008-01-15 2:17 ` [PATCH 10/10] x86: Change bios_cpu_apicid to percpu data variable V2 travis
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