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sh: convert /proc/cpu/aligmnent, /proc/cpu/kernel_alignment to seq_file 

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Alexey Dobriyan 2009-11-27 06:42:16 +00:00 committed by Paul Mundt
parent 2ebe0ff7e6
commit 9a1607071c
1 changed files with 32 additions and 47 deletions
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79
arch/sh/kernel/traps_32.c
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@ -25,6 +25,7 @@
#include <linux/kexec.h>
#include <linux/limits.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/sysfs.h>
#include <asm/system.h>
#include <asm/uaccess.h>
@ -68,61 +69,49 @@ static const char *se_usermode_action[] = {
"signal+warn"
};
static int
proc_alignment_read(char *page, char **start, off_t off, int count, int *eof,
void *data)
static int alignment_proc_show(struct seq_file *m, void *v)
{
char *p = page;
int len;
p += sprintf(p, "User:\t\t%lu\n", se_user);
p += sprintf(p, "System:\t\t%lu\n", se_sys);
p += sprintf(p, "Half:\t\t%lu\n", se_half);
p += sprintf(p, "Word:\t\t%lu\n", se_word);
p += sprintf(p, "DWord:\t\t%lu\n", se_dword);
p += sprintf(p, "Multi:\t\t%lu\n", se_multi);
p += sprintf(p, "User faults:\t%i (%s)\n", se_usermode,
seq_printf(m, "User:\t\t%lu\n", se_user);
seq_printf(m, "System:\t\t%lu\n", se_sys);
seq_printf(m, "Half:\t\t%lu\n", se_half);
seq_printf(m, "Word:\t\t%lu\n", se_word);
seq_printf(m, "DWord:\t\t%lu\n", se_dword);
seq_printf(m, "Multi:\t\t%lu\n", se_multi);
seq_printf(m, "User faults:\t%i (%s)\n", se_usermode,
se_usermode_action[se_usermode]);
p += sprintf(p, "Kernel faults:\t%i (fixup%s)\n", se_kernmode_warn,
seq_printf(m, "Kernel faults:\t%i (fixup%s)\n", se_kernmode_warn,
se_kernmode_warn ? "+warn" : "");
len = (p - page) - off;
if (len < 0)
len = 0;
*eof = (len <= count) ? 1 : 0;
*start = page + off;
return len;
return 0;
}
static int proc_alignment_write(struct file *file, const char __user *buffer,
unsigned long count, void *data)
static int alignment_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, alignment_proc_show, NULL);
}
static ssize_t alignment_proc_write(struct file *file,
const char __user *buffer, size_t count, loff_t *pos)
{
int *data = PDE(file->f_path.dentry->d_inode)->data;
char mode;
if (count > 0) {
if (get_user(mode, buffer))
return -EFAULT;
if (mode >= '0' && mode <= '5')
se_usermode = mode - '0';
*data = mode - '0';
}
return count;
}
static int proc_alignment_kern_write(struct file *file, const char __user *buffer,
unsigned long count, void *data)
{
char mode;
if (count > 0) {
if (get_user(mode, buffer))
return -EFAULT;
if (mode >= '0' && mode <= '1')
se_kernmode_warn = mode - '0';
}
return count;
}
static const struct file_operations alignment_proc_fops = {
.owner = THIS_MODULE,
.open = alignment_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = alignment_proc_write,
};
#endif
static void dump_mem(const char *str, unsigned long bottom, unsigned long top)
@ -1006,20 +995,16 @@ static int __init alignment_init(void)
if (!dir)
return -ENOMEM;
res = create_proc_entry("alignment", S_IWUSR | S_IRUGO, dir);
res = proc_create_data("alignment", S_IWUSR | S_IRUGO, dir,
&alignment_proc_fops, &se_usermode);
if (!res)
return -ENOMEM;
res->read_proc = proc_alignment_read;
res->write_proc = proc_alignment_write;
res = create_proc_entry("kernel_alignment", S_IWUSR | S_IRUGO, dir);
res = proc_create_data("kernel_alignment", S_IWUSR | S_IRUGO, dir,
&alignment_proc_fops, &se_kernmode_warn);
if (!res)
return -ENOMEM;
res->read_proc = proc_alignment_read;
res->write_proc = proc_alignment_kern_write;
return 0;
}