aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/acpi/cstate.c3
-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c10
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k8.c15
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c12
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-ich.c3
-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c3
-rw-r--r--arch/x86/kernel/ldt.c6
-rw-r--r--arch/x86/kernel/microcode.c17
-rw-r--r--arch/x86/kernel/reboot.c11
9 files changed, 25 insertions, 55 deletions
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index 9220cf4..c2502eb 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -73,7 +73,6 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu,
struct cpuinfo_x86 *c = &cpu_data(cpu);
cpumask_t saved_mask;
- cpumask_of_cpu_ptr(new_mask, cpu);
int retval;
unsigned int eax, ebx, ecx, edx;
unsigned int edx_part;
@@ -92,7 +91,7 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu,
/* Make sure we are running on right CPU */
saved_mask = current->cpus_allowed;
- retval = set_cpus_allowed_ptr(current, new_mask);
+ retval = set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
if (retval)
return -1;
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index ff2fff5..dd097b8 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -200,12 +200,10 @@ static void drv_read(struct drv_cmd *cmd)
static void drv_write(struct drv_cmd *cmd)
{
cpumask_t saved_mask = current->cpus_allowed;
- cpumask_of_cpu_ptr_declare(cpu_mask);
unsigned int i;
for_each_cpu_mask_nr(i, cmd->mask) {
- cpumask_of_cpu_ptr_next(cpu_mask, i);
- set_cpus_allowed_ptr(current, cpu_mask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(i));
do_drv_write(cmd);
}
@@ -269,12 +267,11 @@ static unsigned int get_measured_perf(unsigned int cpu)
} aperf_cur, mperf_cur;
cpumask_t saved_mask;
- cpumask_of_cpu_ptr(cpu_mask, cpu);
unsigned int perf_percent;
unsigned int retval;
saved_mask = current->cpus_allowed;
- set_cpus_allowed_ptr(current, cpu_mask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
if (get_cpu() != cpu) {
/* We were not able to run on requested processor */
put_cpu();
@@ -340,7 +337,6 @@ static unsigned int get_measured_perf(unsigned int cpu)
static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
{
- cpumask_of_cpu_ptr(cpu_mask, cpu);
struct acpi_cpufreq_data *data = per_cpu(drv_data, cpu);
unsigned int freq;
unsigned int cached_freq;
@@ -353,7 +349,7 @@ static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
}
cached_freq = data->freq_table[data->acpi_data->state].frequency;
- freq = extract_freq(get_cur_val(cpu_mask), data);
+ freq = extract_freq(get_cur_val(&cpumask_of_cpu(cpu)), data);
if (freq != cached_freq) {
/*
* The dreaded BIOS frequency change behind our back.
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 53c7b69..c45ca6d 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -479,12 +479,11 @@ static int core_voltage_post_transition(struct powernow_k8_data *data, u32 reqvi
static int check_supported_cpu(unsigned int cpu)
{
cpumask_t oldmask;
- cpumask_of_cpu_ptr(cpu_mask, cpu);
u32 eax, ebx, ecx, edx;
unsigned int rc = 0;
oldmask = current->cpus_allowed;
- set_cpus_allowed_ptr(current, cpu_mask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
if (smp_processor_id() != cpu) {
printk(KERN_ERR PFX "limiting to cpu %u failed\n", cpu);
@@ -1017,7 +1016,6 @@ static int transition_frequency_pstate(struct powernow_k8_data *data, unsigned i
static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsigned relation)
{
cpumask_t oldmask;
- cpumask_of_cpu_ptr(cpu_mask, pol->cpu);
struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
u32 checkfid;
u32 checkvid;
@@ -1032,7 +1030,7 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
/* only run on specific CPU from here on */
oldmask = current->cpus_allowed;
- set_cpus_allowed_ptr(current, cpu_mask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(pol->cpu));
if (smp_processor_id() != pol->cpu) {
printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
@@ -1107,7 +1105,6 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
{
struct powernow_k8_data *data;
cpumask_t oldmask;
- cpumask_of_cpu_ptr_declare(newmask);
int rc;
if (!cpu_online(pol->cpu))
@@ -1159,8 +1156,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
/* only run on specific CPU from here on */
oldmask = current->cpus_allowed;
- cpumask_of_cpu_ptr_next(newmask, pol->cpu);
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(pol->cpu));
if (smp_processor_id() != pol->cpu) {
printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
@@ -1182,7 +1178,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
set_cpus_allowed_ptr(current, &oldmask);
if (cpu_family == CPU_HW_PSTATE)
- pol->cpus = *newmask;
+ pol->cpus = cpumask_of_cpu(pol->cpu);
else
pol->cpus = per_cpu(cpu_core_map, pol->cpu);
data->available_cores = &(pol->cpus);
@@ -1248,7 +1244,6 @@ static unsigned int powernowk8_get (unsigned int cpu)
{
struct powernow_k8_data *data;
cpumask_t oldmask = current->cpus_allowed;
- cpumask_of_cpu_ptr(newmask, cpu);
unsigned int khz = 0;
unsigned int first;
@@ -1258,7 +1253,7 @@ static unsigned int powernowk8_get (unsigned int cpu)
if (!data)
return -EINVAL;
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
if (smp_processor_id() != cpu) {
printk(KERN_ERR PFX
"limiting to CPU %d failed in powernowk8_get\n", cpu);
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
index ca2ac13..15e13c0 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -324,10 +324,9 @@ static unsigned int get_cur_freq(unsigned int cpu)
unsigned l, h;
unsigned clock_freq;
cpumask_t saved_mask;
- cpumask_of_cpu_ptr(new_mask, cpu);
saved_mask = current->cpus_allowed;
- set_cpus_allowed_ptr(current, new_mask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
if (smp_processor_id() != cpu)
return 0;
@@ -585,15 +584,12 @@ static int centrino_target (struct cpufreq_policy *policy,
* Best effort undo..
*/
- if (!cpus_empty(*covered_cpus)) {
- cpumask_of_cpu_ptr_declare(new_mask);
-
+ if (!cpus_empty(*covered_cpus))
for_each_cpu_mask_nr(j, *covered_cpus) {
- cpumask_of_cpu_ptr_next(new_mask, j);
- set_cpus_allowed_ptr(current, new_mask);
+ set_cpus_allowed_ptr(current,
+ &cpumask_of_cpu(j));
wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
}
- }
tmp = freqs.new;
freqs.new = freqs.old;
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
index 2f3728d..191f726 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
@@ -244,8 +244,7 @@ static unsigned int _speedstep_get(const cpumask_t *cpus)
static unsigned int speedstep_get(unsigned int cpu)
{
- cpumask_of_cpu_ptr(newmask, cpu);
- return _speedstep_get(newmask);
+ return _speedstep_get(&cpumask_of_cpu(cpu));
}
/**
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 650d40f..6b0a10b 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -516,7 +516,6 @@ static int __cpuinit detect_cache_attributes(unsigned int cpu)
unsigned long j;
int retval;
cpumask_t oldmask;
- cpumask_of_cpu_ptr(newmask, cpu);
if (num_cache_leaves == 0)
return -ENOENT;
@@ -527,7 +526,7 @@ static int __cpuinit detect_cache_attributes(unsigned int cpu)
return -ENOMEM;
oldmask = current->cpus_allowed;
- retval = set_cpus_allowed_ptr(current, newmask);
+ retval = set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
if (retval)
goto out;
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index 3fee2aa..b68e21f 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -62,12 +62,10 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload)
if (reload) {
#ifdef CONFIG_SMP
- cpumask_of_cpu_ptr_declare(mask);
-
preempt_disable();
load_LDT(pc);
- cpumask_of_cpu_ptr_next(mask, smp_processor_id());
- if (!cpus_equal(current->mm->cpu_vm_mask, *mask))
+ if (!cpus_equal(current->mm->cpu_vm_mask,
+ cpumask_of_cpu(smp_processor_id())))
smp_call_function(flush_ldt, current->mm, 1);
preempt_enable();
#else
diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c
index 6994c75..652fa5c 100644
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -388,7 +388,6 @@ static int do_microcode_update (void)
void *new_mc = NULL;
int cpu;
cpumask_t old;
- cpumask_of_cpu_ptr_declare(newmask);
old = current->cpus_allowed;
@@ -405,8 +404,7 @@ static int do_microcode_update (void)
if (!uci->valid)
continue;
- cpumask_of_cpu_ptr_next(newmask, cpu);
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
error = get_maching_microcode(new_mc, cpu);
if (error < 0)
goto out;
@@ -576,7 +574,6 @@ static int apply_microcode_check_cpu(int cpu)
struct cpuinfo_x86 *c = &cpu_data(cpu);
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
cpumask_t old;
- cpumask_of_cpu_ptr(newmask, cpu);
unsigned int val[2];
int err = 0;
@@ -585,7 +582,7 @@ static int apply_microcode_check_cpu(int cpu)
return 0;
old = current->cpus_allowed;
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
/* Check if the microcode we have in memory matches the CPU */
if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 ||
@@ -623,12 +620,11 @@ static int apply_microcode_check_cpu(int cpu)
static void microcode_init_cpu(int cpu, int resume)
{
cpumask_t old;
- cpumask_of_cpu_ptr(newmask, cpu);
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
old = current->cpus_allowed;
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
mutex_lock(&microcode_mutex);
collect_cpu_info(cpu);
if (uci->valid && system_state == SYSTEM_RUNNING && !resume)
@@ -661,13 +657,10 @@ static ssize_t reload_store(struct sys_device *dev,
if (end == buf)
return -EINVAL;
if (val == 1) {
- cpumask_t old;
- cpumask_of_cpu_ptr(newmask, cpu);
-
- old = current->cpus_allowed;
+ cpumask_t old = current->cpus_allowed;
get_online_cpus();
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
mutex_lock(&microcode_mutex);
if (uci->valid)
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 06a9f64..724adfc 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -414,25 +414,20 @@ void native_machine_shutdown(void)
/* The boot cpu is always logical cpu 0 */
int reboot_cpu_id = 0;
- cpumask_of_cpu_ptr(newmask, reboot_cpu_id);
#ifdef CONFIG_X86_32
/* See if there has been given a command line override */
if ((reboot_cpu != -1) && (reboot_cpu < NR_CPUS) &&
- cpu_online(reboot_cpu)) {
+ cpu_online(reboot_cpu))
reboot_cpu_id = reboot_cpu;
- cpumask_of_cpu_ptr_next(newmask, reboot_cpu_id);
- }
#endif
/* Make certain the cpu I'm about to reboot on is online */
- if (!cpu_online(reboot_cpu_id)) {
+ if (!cpu_online(reboot_cpu_id))
reboot_cpu_id = smp_processor_id();
- cpumask_of_cpu_ptr_next(newmask, reboot_cpu_id);
- }
/* Make certain I only run on the appropriate processor */
- set_cpus_allowed_ptr(current, newmask);
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(reboot_cpu_id));
/* O.K Now that I'm on the appropriate processor,
* stop all of the others.

Privacy Policy