diff options
Diffstat (limited to 'arch/um/kernel')
| -rw-r--r-- | arch/um/kernel/exitcode.c | 43 | ||||
| -rw-r--r-- | arch/um/kernel/irq.c | 4 | ||||
| -rw-r--r-- | arch/um/kernel/process.c | 31 |
3 files changed, 46 insertions, 32 deletions
diff --git a/arch/um/kernel/exitcode.c b/arch/um/kernel/exitcode.c index 6540d2c9fbb7..829df49dee99 100644 --- a/arch/um/kernel/exitcode.c +++ b/arch/um/kernel/exitcode.c @@ -6,7 +6,9 @@ #include <linux/ctype.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/module.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/types.h> #include <asm/uaccess.h> @@ -16,30 +18,26 @@ */ int uml_exitcode = 0; -static int read_proc_exitcode(char *page, char **start, off_t off, - int count, int *eof, void *data) +static int exitcode_proc_show(struct seq_file *m, void *v) { - int len, val; + int val; /* * Save uml_exitcode in a local so that we don't need to guarantee * that sprintf accesses it atomically. */ val = uml_exitcode; - len = sprintf(page, "%d\n", val); - len -= off; - if (len <= off+count) - *eof = 1; - *start = page + off; - if (len > count) - len = count; - if (len < 0) - len = 0; - return len; + seq_printf(m, "%d\n", val); + return 0; +} + +static int exitcode_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, exitcode_proc_show, NULL); } -static int write_proc_exitcode(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static ssize_t exitcode_proc_write(struct file *file, + const char __user *buffer, size_t count, loff_t *pos) { char *end, buf[sizeof("nnnnn\0")]; int tmp; @@ -55,20 +53,25 @@ static int write_proc_exitcode(struct file *file, const char __user *buffer, return count; } +static const struct file_operations exitcode_proc_fops = { + .owner = THIS_MODULE, + .open = exitcode_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = exitcode_proc_write, +}; + static int make_proc_exitcode(void) { struct proc_dir_entry *ent; - ent = create_proc_entry("exitcode", 0600, NULL); + ent = proc_create("exitcode", 0600, NULL, &exitcode_proc_fops); if (ent == NULL) { printk(KERN_WARNING "make_proc_exitcode : Failed to register " "/proc/exitcode\n"); return 0; } - - ent->read_proc = read_proc_exitcode; - ent->write_proc = write_proc_exitcode; - return 0; } diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c index 039270b9b73b..89474ba0741e 100644 --- a/arch/um/kernel/irq.c +++ b/arch/um/kernel/irq.c @@ -34,7 +34,7 @@ int show_interrupts(struct seq_file *p, void *v) } if (i < NR_IRQS) { - spin_lock_irqsave(&irq_desc[i].lock, flags); + raw_spin_lock_irqsave(&irq_desc[i].lock, flags); action = irq_desc[i].action; if (!action) goto skip; @@ -53,7 +53,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); skip: - spin_unlock_irqrestore(&irq_desc[i].lock, flags); + raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags); } else if (i == NR_IRQS) seq_putc(p, '\n'); diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index 4a28a1568d85..2f910a1b7454 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -9,11 +9,13 @@ #include <linux/hardirq.h> #include <linux/gfp.h> #include <linux/mm.h> +#include <linux/module.h> #include <linux/personality.h> #include <linux/proc_fs.h> #include <linux/ptrace.h> #include <linux/random.h> #include <linux/sched.h> +#include <linux/seq_file.h> #include <linux/tick.h> #include <linux/threads.h> #include <asm/current.h> @@ -336,16 +338,19 @@ int get_using_sysemu(void) return atomic_read(&using_sysemu); } -static int proc_read_sysemu(char *buf, char **start, off_t offset, int size,int *eof, void *data) +static int sysemu_proc_show(struct seq_file *m, void *v) { - if (snprintf(buf, size, "%d\n", get_using_sysemu()) < size) - /* No overflow */ - *eof = 1; + seq_printf(m, "%d\n", get_using_sysemu()); + return 0; +} - return strlen(buf); +static int sysemu_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, sysemu_proc_show, NULL); } -static int proc_write_sysemu(struct file *file,const char __user *buf, unsigned long count,void *data) +static ssize_t sysemu_proc_write(struct file *file, const char __user *buf, + size_t count, loff_t *pos) { char tmp[2]; @@ -358,13 +363,22 @@ static int proc_write_sysemu(struct file *file,const char __user *buf, unsigned return count; } +static const struct file_operations sysemu_proc_fops = { + .owner = THIS_MODULE, + .open = sysemu_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = sysemu_proc_write, +}; + int __init make_proc_sysemu(void) { struct proc_dir_entry *ent; if (!sysemu_supported) return 0; - ent = create_proc_entry("sysemu", 0600, NULL); + ent = proc_create("sysemu", 0600, NULL, &sysemu_proc_fops); if (ent == NULL) { @@ -372,9 +386,6 @@ int __init make_proc_sysemu(void) return 0; } - ent->read_proc = proc_read_sysemu; - ent->write_proc = proc_write_sysemu; - return 0; } |