diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 21:37:44 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 21:37:44 -0400 |
commit | 26dcce0fabbef75ae426461edf21b5030bad60f3 (patch) | |
tree | 56c64fa47dc29f7ea5a8fd0cab0459fb0a05a2bc /arch/x86/kernel/cpu/cpufreq/powernow-k8.c | |
parent | d7b6de14a0ef8a376f9d57b867545b47302b7bfb (diff) | |
parent | eb6a12c2428d21a9f3e0f1a50e927d5fd80fc3d0 (diff) |
Merge branch 'cpus4096-for-linus' of git://git.kernel.org/pub/scm/linux/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
Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq/powernow-k8.c')
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index 206791eb46e3..53c7b6936973 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c | |||
@@ -479,11 +479,12 @@ static int core_voltage_post_transition(struct powernow_k8_data *data, u32 reqvi | |||
479 | static int check_supported_cpu(unsigned int cpu) | 479 | static int check_supported_cpu(unsigned int cpu) |
480 | { | 480 | { |
481 | cpumask_t oldmask; | 481 | cpumask_t oldmask; |
482 | cpumask_of_cpu_ptr(cpu_mask, cpu); | ||
482 | u32 eax, ebx, ecx, edx; | 483 | u32 eax, ebx, ecx, edx; |
483 | unsigned int rc = 0; | 484 | unsigned int rc = 0; |
484 | 485 | ||
485 | oldmask = current->cpus_allowed; | 486 | oldmask = current->cpus_allowed; |
486 | set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu)); | 487 | set_cpus_allowed_ptr(current, cpu_mask); |
487 | 488 | ||
488 | if (smp_processor_id() != cpu) { | 489 | if (smp_processor_id() != cpu) { |
489 | printk(KERN_ERR PFX "limiting to cpu %u failed\n", cpu); | 490 | printk(KERN_ERR PFX "limiting to cpu %u failed\n", cpu); |
@@ -966,7 +967,7 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data, unsigned i | |||
966 | freqs.old = find_khz_freq_from_fid(data->currfid); | 967 | freqs.old = find_khz_freq_from_fid(data->currfid); |
967 | freqs.new = find_khz_freq_from_fid(fid); | 968 | freqs.new = find_khz_freq_from_fid(fid); |
968 | 969 | ||
969 | for_each_cpu_mask(i, *(data->available_cores)) { | 970 | for_each_cpu_mask_nr(i, *(data->available_cores)) { |
970 | freqs.cpu = i; | 971 | freqs.cpu = i; |
971 | cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); | 972 | cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); |
972 | } | 973 | } |
@@ -974,7 +975,7 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data, unsigned i | |||
974 | res = transition_fid_vid(data, fid, vid); | 975 | res = transition_fid_vid(data, fid, vid); |
975 | freqs.new = find_khz_freq_from_fid(data->currfid); | 976 | freqs.new = find_khz_freq_from_fid(data->currfid); |
976 | 977 | ||
977 | for_each_cpu_mask(i, *(data->available_cores)) { | 978 | for_each_cpu_mask_nr(i, *(data->available_cores)) { |
978 | freqs.cpu = i; | 979 | freqs.cpu = i; |
979 | cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); | 980 | cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); |
980 | } | 981 | } |
@@ -997,7 +998,7 @@ static int transition_frequency_pstate(struct powernow_k8_data *data, unsigned i | |||
997 | freqs.old = find_khz_freq_from_pstate(data->powernow_table, data->currpstate); | 998 | freqs.old = find_khz_freq_from_pstate(data->powernow_table, data->currpstate); |
998 | freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate); | 999 | freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate); |
999 | 1000 | ||
1000 | for_each_cpu_mask(i, *(data->available_cores)) { | 1001 | for_each_cpu_mask_nr(i, *(data->available_cores)) { |
1001 | freqs.cpu = i; | 1002 | freqs.cpu = i; |
1002 | cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); | 1003 | cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); |
1003 | } | 1004 | } |
@@ -1005,7 +1006,7 @@ static int transition_frequency_pstate(struct powernow_k8_data *data, unsigned i | |||
1005 | res = transition_pstate(data, pstate); | 1006 | res = transition_pstate(data, pstate); |
1006 | freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate); | 1007 | freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate); |
1007 | 1008 | ||
1008 | for_each_cpu_mask(i, *(data->available_cores)) { | 1009 | for_each_cpu_mask_nr(i, *(data->available_cores)) { |
1009 | freqs.cpu = i; | 1010 | freqs.cpu = i; |
1010 | cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); | 1011 | cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); |
1011 | } | 1012 | } |
@@ -1016,6 +1017,7 @@ static int transition_frequency_pstate(struct powernow_k8_data *data, unsigned i | |||
1016 | static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsigned relation) | 1017 | static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsigned relation) |
1017 | { | 1018 | { |
1018 | cpumask_t oldmask; | 1019 | cpumask_t oldmask; |
1020 | cpumask_of_cpu_ptr(cpu_mask, pol->cpu); | ||
1019 | struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu); | 1021 | struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu); |
1020 | u32 checkfid; | 1022 | u32 checkfid; |
1021 | u32 checkvid; | 1023 | u32 checkvid; |
@@ -1030,7 +1032,7 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi | |||
1030 | 1032 | ||
1031 | /* only run on specific CPU from here on */ | 1033 | /* only run on specific CPU from here on */ |
1032 | oldmask = current->cpus_allowed; | 1034 | oldmask = current->cpus_allowed; |
1033 | set_cpus_allowed_ptr(current, &cpumask_of_cpu(pol->cpu)); | 1035 | set_cpus_allowed_ptr(current, cpu_mask); |
1034 | 1036 | ||
1035 | if (smp_processor_id() != pol->cpu) { | 1037 | if (smp_processor_id() != pol->cpu) { |
1036 | printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu); | 1038 | printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu); |
@@ -1105,6 +1107,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) | |||
1105 | { | 1107 | { |
1106 | struct powernow_k8_data *data; | 1108 | struct powernow_k8_data *data; |
1107 | cpumask_t oldmask; | 1109 | cpumask_t oldmask; |
1110 | cpumask_of_cpu_ptr_declare(newmask); | ||
1108 | int rc; | 1111 | int rc; |
1109 | 1112 | ||
1110 | if (!cpu_online(pol->cpu)) | 1113 | if (!cpu_online(pol->cpu)) |
@@ -1156,7 +1159,8 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) | |||
1156 | 1159 | ||
1157 | /* only run on specific CPU from here on */ | 1160 | /* only run on specific CPU from here on */ |
1158 | oldmask = current->cpus_allowed; | 1161 | oldmask = current->cpus_allowed; |
1159 | set_cpus_allowed_ptr(current, &cpumask_of_cpu(pol->cpu)); | 1162 | cpumask_of_cpu_ptr_next(newmask, pol->cpu); |
1163 | set_cpus_allowed_ptr(current, newmask); | ||
1160 | 1164 | ||
1161 | if (smp_processor_id() != pol->cpu) { | 1165 | if (smp_processor_id() != pol->cpu) { |
1162 | printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu); | 1166 | printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu); |
@@ -1178,7 +1182,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) | |||
1178 | set_cpus_allowed_ptr(current, &oldmask); | 1182 | set_cpus_allowed_ptr(current, &oldmask); |
1179 | 1183 | ||
1180 | if (cpu_family == CPU_HW_PSTATE) | 1184 | if (cpu_family == CPU_HW_PSTATE) |
1181 | pol->cpus = cpumask_of_cpu(pol->cpu); | 1185 | pol->cpus = *newmask; |
1182 | else | 1186 | else |
1183 | pol->cpus = per_cpu(cpu_core_map, pol->cpu); | 1187 | pol->cpus = per_cpu(cpu_core_map, pol->cpu); |
1184 | data->available_cores = &(pol->cpus); | 1188 | data->available_cores = &(pol->cpus); |
@@ -1244,6 +1248,7 @@ static unsigned int powernowk8_get (unsigned int cpu) | |||
1244 | { | 1248 | { |
1245 | struct powernow_k8_data *data; | 1249 | struct powernow_k8_data *data; |
1246 | cpumask_t oldmask = current->cpus_allowed; | 1250 | cpumask_t oldmask = current->cpus_allowed; |
1251 | cpumask_of_cpu_ptr(newmask, cpu); | ||
1247 | unsigned int khz = 0; | 1252 | unsigned int khz = 0; |
1248 | unsigned int first; | 1253 | unsigned int first; |
1249 | 1254 | ||
@@ -1253,7 +1258,7 @@ static unsigned int powernowk8_get (unsigned int cpu) | |||
1253 | if (!data) | 1258 | if (!data) |
1254 | return -EINVAL; | 1259 | return -EINVAL; |
1255 | 1260 | ||
1256 | set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu)); | 1261 | set_cpus_allowed_ptr(current, newmask); |
1257 | if (smp_processor_id() != cpu) { | 1262 | if (smp_processor_id() != cpu) { |
1258 | printk(KERN_ERR PFX | 1263 | printk(KERN_ERR PFX |
1259 | "limiting to CPU %d failed in powernowk8_get\n", cpu); | 1264 | "limiting to CPU %d failed in powernowk8_get\n", cpu); |