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Merge branch 'cpus4096-for-linus' of git://git.kernel.org/pub/scm/lin…
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…ux/kernel/git/tip/linux-2.6-tip

* 'cpus4096-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (31 commits)
  NR_CPUS: Replace NR_CPUS in speedstep-centrino.c
  cpumask: Provide a generic set of CPUMASK_ALLOC macros, FIXUP
  NR_CPUS: Replace NR_CPUS in cpufreq userspace routines
  NR_CPUS: Replace per_cpu(..., smp_processor_id()) with __get_cpu_var
  NR_CPUS: Replace NR_CPUS in arch/x86/kernel/genapic_flat_64.c
  NR_CPUS: Replace NR_CPUS in arch/x86/kernel/genx2apic_uv_x.c
  NR_CPUS: Replace NR_CPUS in arch/x86/kernel/cpu/proc.c
  NR_CPUS: Replace NR_CPUS in arch/x86/kernel/cpu/mcheck/mce_64.c
  cpumask: Optimize cpumask_of_cpu in lib/smp_processor_id.c, fix
  cpumask: Use optimized CPUMASK_ALLOC macros in the centrino_target
  cpumask: Provide a generic set of CPUMASK_ALLOC macros
  cpumask: Optimize cpumask_of_cpu in lib/smp_processor_id.c
  cpumask: Optimize cpumask_of_cpu in kernel/time/tick-common.c
  cpumask: Optimize cpumask_of_cpu in drivers/misc/sgi-xp/xpc_main.c
  cpumask: Optimize cpumask_of_cpu in arch/x86/kernel/ldt.c
  cpumask: Optimize cpumask_of_cpu in arch/x86/kernel/io_apic_64.c
  cpumask: Replace cpumask_of_cpu with cpumask_of_cpu_ptr
  Revert "cpumask: introduce new APIs"
  cpumask: make for_each_cpu_mask a bit smaller
  net: Pass reference to cpumask variable in net/sunrpc/svc.c
  ...

Fix up trivial conflicts in drivers/cpufreq/cpufreq.c manually
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@torvalds
torvalds committed Jul 24, 2008
2 parents d7b6de1 + eb6a12c commit 26dcce0
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Showing 50 changed files with 442 additions and 270 deletions.
3 changes: 2 additions & 1 deletion arch/x86/kernel/acpi/cstate.c
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,7 @@ 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;
Expand All @@ -91,7 +92,7 @@ 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, &cpumask_of_cpu(cpu));
retval = set_cpus_allowed_ptr(current, new_mask);
if (retval)
return -1;

Expand Down
16 changes: 10 additions & 6 deletions arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -200,10 +200,12 @@ 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(i, cmd->mask) {
set_cpus_allowed_ptr(current, &cpumask_of_cpu(i));
for_each_cpu_mask_nr(i, cmd->mask) {
cpumask_of_cpu_ptr_next(cpu_mask, i);
set_cpus_allowed_ptr(current, cpu_mask);
do_drv_write(cmd);
}

Expand Down Expand Up @@ -267,11 +269,12 @@ 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, &cpumask_of_cpu(cpu));
set_cpus_allowed_ptr(current, cpu_mask);
if (get_cpu() != cpu) {
/* We were not able to run on requested processor */
put_cpu();
Expand Down Expand Up @@ -337,6 +340,7 @@ 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;
Expand All @@ -349,7 +353,7 @@ 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(&cpumask_of_cpu(cpu)), data);
freq = extract_freq(get_cur_val(cpu_mask), data);
if (freq != cached_freq) {
/*
* The dreaded BIOS frequency change behind our back.
Expand Down Expand Up @@ -451,7 +455,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,

freqs.old = perf->states[perf->state].core_frequency * 1000;
freqs.new = data->freq_table[next_state].frequency;
for_each_cpu_mask(i, cmd.mask) {
for_each_cpu_mask_nr(i, cmd.mask) {
freqs.cpu = i;
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
}
Expand All @@ -466,7 +470,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
}
}

for_each_cpu_mask(i, cmd.mask) {
for_each_cpu_mask_nr(i, cmd.mask) {
freqs.cpu = i;
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
}
Expand Down
6 changes: 3 additions & 3 deletions arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
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Original file line number Diff line number Diff line change
Expand Up @@ -122,19 +122,19 @@ static int cpufreq_p4_target(struct cpufreq_policy *policy,
return 0;

/* notifiers */
for_each_cpu_mask(i, policy->cpus) {
for_each_cpu_mask_nr(i, policy->cpus) {
freqs.cpu = i;
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
}

/* run on each logical CPU, see section 13.15.3 of IA32 Intel Architecture Software
* Developer's Manual, Volume 3
*/
for_each_cpu_mask(i, policy->cpus)
for_each_cpu_mask_nr(i, policy->cpus)
cpufreq_p4_setdc(i, p4clockmod_table[newstate].index);

/* notifiers */
for_each_cpu_mask(i, policy->cpus) {
for_each_cpu_mask_nr(i, policy->cpus) {
freqs.cpu = i;
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
}
Expand Down
23 changes: 14 additions & 9 deletions arch/x86/kernel/cpu/cpufreq/powernow-k8.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -479,11 +479,12 @@ 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, &cpumask_of_cpu(cpu));
set_cpus_allowed_ptr(current, cpu_mask);

if (smp_processor_id() != cpu) {
printk(KERN_ERR PFX "limiting to cpu %u failed\n", cpu);
Expand Down Expand Up @@ -966,15 +967,15 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data, unsigned i
freqs.old = find_khz_freq_from_fid(data->currfid);
freqs.new = find_khz_freq_from_fid(fid);

for_each_cpu_mask(i, *(data->available_cores)) {
for_each_cpu_mask_nr(i, *(data->available_cores)) {
freqs.cpu = i;
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
}

res = transition_fid_vid(data, fid, vid);
freqs.new = find_khz_freq_from_fid(data->currfid);

for_each_cpu_mask(i, *(data->available_cores)) {
for_each_cpu_mask_nr(i, *(data->available_cores)) {
freqs.cpu = i;
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
}
Expand All @@ -997,15 +998,15 @@ static int transition_frequency_pstate(struct powernow_k8_data *data, unsigned i
freqs.old = find_khz_freq_from_pstate(data->powernow_table, data->currpstate);
freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate);

for_each_cpu_mask(i, *(data->available_cores)) {
for_each_cpu_mask_nr(i, *(data->available_cores)) {
freqs.cpu = i;
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
}

res = transition_pstate(data, pstate);
freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate);

for_each_cpu_mask(i, *(data->available_cores)) {
for_each_cpu_mask_nr(i, *(data->available_cores)) {
freqs.cpu = i;
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
}
Expand All @@ -1016,6 +1017,7 @@ 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;
Expand All @@ -1030,7 +1032,7 @@ 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, &cpumask_of_cpu(pol->cpu));
set_cpus_allowed_ptr(current, cpu_mask);

if (smp_processor_id() != pol->cpu) {
printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
Expand Down Expand Up @@ -1105,6 +1107,7 @@ 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))
Expand Down Expand Up @@ -1156,7 +1159,8 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)

/* only run on specific CPU from here on */
oldmask = current->cpus_allowed;
set_cpus_allowed_ptr(current, &cpumask_of_cpu(pol->cpu));
cpumask_of_cpu_ptr_next(newmask, pol->cpu);
set_cpus_allowed_ptr(current, newmask);

if (smp_processor_id() != pol->cpu) {
printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
Expand All @@ -1178,7 +1182,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
set_cpus_allowed_ptr(current, &oldmask);

if (cpu_family == CPU_HW_PSTATE)
pol->cpus = cpumask_of_cpu(pol->cpu);
pol->cpus = *newmask;
else
pol->cpus = per_cpu(cpu_core_map, pol->cpu);
data->available_cores = &(pol->cpus);
Expand Down Expand Up @@ -1244,6 +1248,7 @@ 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;

Expand All @@ -1253,7 +1258,7 @@ static unsigned int powernowk8_get (unsigned int cpu)
if (!data)
return -EINVAL;

set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
set_cpus_allowed_ptr(current, newmask);
if (smp_processor_id() != cpu) {
printk(KERN_ERR PFX
"limiting to CPU %d failed in powernowk8_get\n", cpu);
Expand Down
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