musb: output an error when wrong speed is selected for the hostmode

[h-e-n] / kernel / profile.c

diff --git a/kernel/profile.c b/kernel/profile.c
index ae7ead8..dc41827 100644 (file)
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -22,6 +22,8 @@
 #include <linux/cpu.h>
 #include <linux/highmem.h>
 #include <linux/mutex.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
 #include <asm/sections.h>
 #include <asm/irq_regs.h>
 #include <asm/ptrace.h>
@@ -50,11 +52,11 @@ static DEFINE_PER_CPU(int, cpu_profile_flip);
 static DEFINE_MUTEX(profile_flip_mutex);
 #endif /* CONFIG_SMP */
 
-static int __init profile_setup(char *str)
+int profile_setup(char *str)
 {
-       static char __initdata schedstr[] = "schedule";
-       static char __initdata sleepstr[] = "sleep";
-       static char __initdata kvmstr[] = "kvm";
+       static char schedstr[] = "schedule";
+       static char sleepstr[] = "sleep";
+       static char kvmstr[] = "kvm";
        int par;
 
        if (!strncmp(str, sleepstr, strlen(sleepstr))) {
@@ -100,20 +102,37 @@ static int __init profile_setup(char *str)
 __setup("profile=", profile_setup);
 
 
-void __init profile_init(void)
+int __ref profile_init(void)
 {
+       int buffer_bytes;
        if (!prof_on)
-               return;
+               return 0;
 
        /* only text is profiled */
        prof_len = (_etext - _stext) >> prof_shift;
-       prof_buffer = alloc_bootmem(prof_len*sizeof(atomic_t));
+       buffer_bytes = prof_len*sizeof(atomic_t);
+       if (!slab_is_available()) {
+               prof_buffer = alloc_bootmem(buffer_bytes);
+               return 0;
+       }
+
+       prof_buffer = kzalloc(buffer_bytes, GFP_KERNEL);
+       if (prof_buffer)
+               return 0;
+
+       prof_buffer = alloc_pages_exact(buffer_bytes, GFP_KERNEL|__GFP_ZERO);
+       if (prof_buffer)
+               return 0;
+
+       prof_buffer = vmalloc(buffer_bytes);
+       if (prof_buffer)
+               return 0;
+
+       return -ENOMEM;
 }
 
 /* Profile event notifications */
 
-#ifdef CONFIG_PROFILING
-
 static BLOCKING_NOTIFIER_HEAD(task_exit_notifier);
 static ATOMIC_NOTIFIER_HEAD(task_free_notifier);
 static BLOCKING_NOTIFIER_HEAD(munmap_notifier);
@@ -203,8 +222,6 @@ void unregister_timer_hook(int (*hook)(struct pt_regs *))
 }
 EXPORT_SYMBOL_GPL(unregister_timer_hook);
 
-#endif /* CONFIG_PROFILING */
-
 
 #ifdef CONFIG_SMP
 /*
@@ -252,7 +269,7 @@ static void profile_flip_buffers(void)
        mutex_lock(&profile_flip_mutex);
        j = per_cpu(cpu_profile_flip, get_cpu());
        put_cpu();
-       on_each_cpu(__profile_flip_buffers, NULL, 0, 1);
+       on_each_cpu(__profile_flip_buffers, NULL, 1);
        for_each_online_cpu(cpu) {
                struct profile_hit *hits = per_cpu(cpu_profile_hits, cpu)[j];
                for (i = 0; i < NR_PROFILE_HIT; ++i) {
@@ -275,7 +292,7 @@ static void profile_discard_flip_buffers(void)
        mutex_lock(&profile_flip_mutex);
        i = per_cpu(cpu_profile_flip, get_cpu());
        put_cpu();
-       on_each_cpu(__profile_flip_buffers, NULL, 0, 1);
+       on_each_cpu(__profile_flip_buffers, NULL, 1);
        for_each_online_cpu(cpu) {
                struct profile_hit *hits = per_cpu(cpu_profile_hits, cpu)[i];
                memset(hits, 0, NR_PROFILE_HIT*sizeof(struct profile_hit));
@@ -334,7 +351,7 @@ out:
        put_cpu();
 }
 
-static int __devinit profile_cpu_callback(struct notifier_block *info,
+static int __cpuinit profile_cpu_callback(struct notifier_block *info,
                                        unsigned long action, void *__cpu)
 {
        int node, cpu = (unsigned long)__cpu;
@@ -527,11 +544,11 @@ static const struct file_operations proc_profile_operations = {
 };
 
 #ifdef CONFIG_SMP
-static void __init profile_nop(void *unused)
+static inline void profile_nop(void *unused)
 {
 }
 
-static int __init create_hash_tables(void)
+static int create_hash_tables(void)
 {
        int cpu;
 
@@ -558,7 +575,7 @@ static int __init create_hash_tables(void)
 out_cleanup:
        prof_on = 0;
        smp_mb();
-       on_each_cpu(profile_nop, NULL, 0, 1);
+       on_each_cpu(profile_nop, NULL, 1);
        for_each_online_cpu(cpu) {
                struct page *page;
 
@@ -579,14 +596,14 @@ out_cleanup:
 #define create_hash_tables()                   ({ 0; })
 #endif
 
-static int __init create_proc_profile(void)
+int __ref create_proc_profile(void) /* false positive from hotcpu_notifier */
 {
        struct proc_dir_entry *entry;
 
        if (!prof_on)
                return 0;
        if (create_hash_tables())
-               return -1;
+               return -ENOMEM;
        entry = proc_create("profile", S_IWUSR | S_IRUGO,
                            NULL, &proc_profile_operations);
        if (!entry)