[S390] split/move machine check handler code

[linux-2.6-omap-h63xx.git] / drivers / acpi / processor_perflib.c

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 0d7b772bef50269545b0cf602f72958d9fdf4c23..9cc769b587ff7bbe061ae0c5ab5cc66d67e62ae5 100644 (file)
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -31,14 +31,6 @@
 #include <linux/init.h>
 #include <linux/cpufreq.h>
 
-#ifdef CONFIG_X86_ACPI_CPUFREQ_PROC_INTF
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/mutex.h>
-
-#include <asm/uaccess.h>
-#endif
-
 #ifdef CONFIG_X86
 #include <asm/cpufeature.h>
 #endif
@@ -434,96 +426,6 @@ int acpi_processor_notify_smm(struct module *calling_module)
 
 EXPORT_SYMBOL(acpi_processor_notify_smm);
 
-#ifdef CONFIG_X86_ACPI_CPUFREQ_PROC_INTF
-/* /proc/acpi/processor/../performance interface (DEPRECATED) */
-
-static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file);
-static struct file_operations acpi_processor_perf_fops = {
-       .owner = THIS_MODULE,
-       .open = acpi_processor_perf_open_fs,
-       .read = seq_read,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
-
-static int acpi_processor_perf_seq_show(struct seq_file *seq, void *offset)
-{
-       struct acpi_processor *pr = seq->private;
-       int i;
-
-
-       if (!pr)
-               goto end;
-
-       if (!pr->performance) {
-               seq_puts(seq, "<not supported>\n");
-               goto end;
-       }
-
-       seq_printf(seq, "state count:             %d\n"
-                  "active state:            P%d\n",
-                  pr->performance->state_count, pr->performance->state);
-
-       seq_puts(seq, "states:\n");
-       for (i = 0; i < pr->performance->state_count; i++)
-               seq_printf(seq,
-                          "   %cP%d:                  %d MHz, %d mW, %d uS\n",
-                          (i == pr->performance->state ? '*' : ' '), i,
-                          (u32) pr->performance->states[i].core_frequency,
-                          (u32) pr->performance->states[i].power,
-                          (u32) pr->performance->states[i].transition_latency);
-
-      end:
-       return 0;
-}
-
-static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file)
-{
-       return single_open(file, acpi_processor_perf_seq_show,
-                          PDE(inode)->data);
-}
-
-static void acpi_cpufreq_add_file(struct acpi_processor *pr)
-{
-       struct acpi_device *device = NULL;
-
-
-       if (acpi_bus_get_device(pr->handle, &device))
-               return;
-
-       /* add file 'performance' [R/W] */
-       proc_create_data(ACPI_PROCESSOR_FILE_PERFORMANCE, S_IFREG | S_IRUGO,
-                        acpi_device_dir(device),
-                        &acpi_processor_perf_fops, acpi_driver_data(device));
-       return;
-}
-
-static void acpi_cpufreq_remove_file(struct acpi_processor *pr)
-{
-       struct acpi_device *device = NULL;
-
-
-       if (acpi_bus_get_device(pr->handle, &device))
-               return;
-
-       /* remove file 'performance' */
-       remove_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE,
-                         acpi_device_dir(device));
-
-       return;
-}
-
-#else
-static void acpi_cpufreq_add_file(struct acpi_processor *pr)
-{
-       return;
-}
-static void acpi_cpufreq_remove_file(struct acpi_processor *pr)
-{
-       return;
-}
-#endif                         /* CONFIG_X86_ACPI_CPUFREQ_PROC_INTF */
-
 static int acpi_processor_get_psd(struct acpi_processor        *pr)
 {
        int result = 0;
@@ -588,12 +490,15 @@ int acpi_processor_preregister_performance(
        int count, count_target;
        int retval = 0;
        unsigned int i, j;
-       cpumask_t covered_cpus;
+       cpumask_var_t covered_cpus;
        struct acpi_processor *pr;
        struct acpi_psd_package *pdomain;
        struct acpi_processor *match_pr;
        struct acpi_psd_package *match_pdomain;
 
+       if (!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))
+               return -ENOMEM;
+
        mutex_lock(&performance_mutex);
 
        retval = 0;
@@ -617,7 +522,7 @@ int acpi_processor_preregister_performance(
                }
 
                pr->performance = percpu_ptr(performance, i);
-               cpu_set(i, pr->performance->shared_cpu_map);
+               cpumask_set_cpu(i, pr->performance->shared_cpu_map);
                if (acpi_processor_get_psd(pr)) {
                        retval = -EINVAL;
                        continue;
@@ -650,18 +555,18 @@ int acpi_processor_preregister_performance(
                }
        }
 
-       cpus_clear(covered_cpus);
+       cpumask_clear(covered_cpus);
        for_each_possible_cpu(i) {
                pr = per_cpu(processors, i);
                if (!pr)
                        continue;
 
-               if (cpu_isset(i, covered_cpus))
+               if (cpumask_test_cpu(i, covered_cpus))
                        continue;
 
                pdomain = &(pr->performance->domain_info);
-               cpu_set(i, pr->performance->shared_cpu_map);
-               cpu_set(i, covered_cpus);
+               cpumask_set_cpu(i, pr->performance->shared_cpu_map);
+               cpumask_set_cpu(i, covered_cpus);
                if (pdomain->num_processors <= 1)
                        continue;
 
@@ -699,8 +604,8 @@ int acpi_processor_preregister_performance(
                                goto err_ret;
                        }
 
-                       cpu_set(j, covered_cpus);
-                       cpu_set(j, pr->performance->shared_cpu_map);
+                       cpumask_set_cpu(j, covered_cpus);
+                       cpumask_set_cpu(j, pr->performance->shared_cpu_map);
                        count++;
                }
 
@@ -718,8 +623,8 @@ int acpi_processor_preregister_performance(
 
                        match_pr->performance->shared_type = 
                                        pr->performance->shared_type;
-                       match_pr->performance->shared_cpu_map =
-                               pr->performance->shared_cpu_map;
+                       cpumask_copy(match_pr->performance->shared_cpu_map,
+                                    pr->performance->shared_cpu_map);
                }
        }
 
@@ -731,26 +636,25 @@ err_ret:
 
                /* Assume no coordination on any error parsing domain info */
                if (retval) {
-                       cpus_clear(pr->performance->shared_cpu_map);
-                       cpu_set(i, pr->performance->shared_cpu_map);
+                       cpumask_clear(pr->performance->shared_cpu_map);
+                       cpumask_set_cpu(i, pr->performance->shared_cpu_map);
                        pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;
                }
                pr->performance = NULL; /* Will be set for real in register */
        }
 
        mutex_unlock(&performance_mutex);
+       free_cpumask_var(covered_cpus);
        return retval;
 }
 EXPORT_SYMBOL(acpi_processor_preregister_performance);
 
-
 int
 acpi_processor_register_performance(struct acpi_processor_performance
                                    *performance, unsigned int cpu)
 {
        struct acpi_processor *pr;
 
-
        if (!(acpi_processor_ppc_status & PPC_REGISTERED))
                return -EINVAL;
 
@@ -777,8 +681,6 @@ acpi_processor_register_performance(struct acpi_processor_performance
                return -EIO;
        }
 
-       acpi_cpufreq_add_file(pr);
-
        mutex_unlock(&performance_mutex);
        return 0;
 }
@@ -791,7 +693,6 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
 {
        struct acpi_processor *pr;
 
-
        mutex_lock(&performance_mutex);
 
        pr = per_cpu(processors, cpu);
@@ -804,8 +705,6 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
                kfree(pr->performance->states);
        pr->performance = NULL;
 
-       acpi_cpufreq_remove_file(pr);
-
        mutex_unlock(&performance_mutex);
 
        return;