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>
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9a1607071c
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@ -25,6 +25,7 @@
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#include <linux/kexec.h>
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#include <linux/limits.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/sysfs.h>
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#include <asm/system.h>
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#include <asm/uaccess.h>
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@ -68,61 +69,49 @@ static const char *se_usermode_action[] = {
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"signal+warn"
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};
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static int
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proc_alignment_read(char *page, char **start, off_t off, int count, int *eof,
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void *data)
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static int alignment_proc_show(struct seq_file *m, void *v)
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{
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char *p = page;
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int len;
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p += sprintf(p, "User:\t\t%lu\n", se_user);
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p += sprintf(p, "System:\t\t%lu\n", se_sys);
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p += sprintf(p, "Half:\t\t%lu\n", se_half);
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p += sprintf(p, "Word:\t\t%lu\n", se_word);
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p += sprintf(p, "DWord:\t\t%lu\n", se_dword);
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p += sprintf(p, "Multi:\t\t%lu\n", se_multi);
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p += sprintf(p, "User faults:\t%i (%s)\n", se_usermode,
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seq_printf(m, "User:\t\t%lu\n", se_user);
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seq_printf(m, "System:\t\t%lu\n", se_sys);
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seq_printf(m, "Half:\t\t%lu\n", se_half);
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seq_printf(m, "Word:\t\t%lu\n", se_word);
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seq_printf(m, "DWord:\t\t%lu\n", se_dword);
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seq_printf(m, "Multi:\t\t%lu\n", se_multi);
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seq_printf(m, "User faults:\t%i (%s)\n", se_usermode,
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se_usermode_action[se_usermode]);
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p += sprintf(p, "Kernel faults:\t%i (fixup%s)\n", se_kernmode_warn,
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seq_printf(m, "Kernel faults:\t%i (fixup%s)\n", se_kernmode_warn,
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se_kernmode_warn ? "+warn" : "");
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len = (p - page) - off;
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if (len < 0)
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len = 0;
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*eof = (len <= count) ? 1 : 0;
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*start = page + off;
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return len;
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return 0;
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}
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static int proc_alignment_write(struct file *file, const char __user *buffer,
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unsigned long count, void *data)
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static int alignment_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, alignment_proc_show, NULL);
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}
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static ssize_t alignment_proc_write(struct file *file,
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const char __user *buffer, size_t count, loff_t *pos)
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{
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int *data = PDE(file->f_path.dentry->d_inode)->data;
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char mode;
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if (count > 0) {
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if (get_user(mode, buffer))
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return -EFAULT;
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if (mode >= '0' && mode <= '5')
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se_usermode = mode - '0';
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*data = mode - '0';
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}
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return count;
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}
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static int proc_alignment_kern_write(struct file *file, const char __user *buffer,
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unsigned long count, void *data)
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{
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char mode;
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if (count > 0) {
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if (get_user(mode, buffer))
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return -EFAULT;
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if (mode >= '0' && mode <= '1')
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se_kernmode_warn = mode - '0';
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}
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return count;
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}
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static const struct file_operations alignment_proc_fops = {
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.owner = THIS_MODULE,
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.open = alignment_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = alignment_proc_write,
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};
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#endif
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static void dump_mem(const char *str, unsigned long bottom, unsigned long top)
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@ -1006,20 +995,16 @@ static int __init alignment_init(void)
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if (!dir)
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return -ENOMEM;
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res = create_proc_entry("alignment", S_IWUSR | S_IRUGO, dir);
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res = proc_create_data("alignment", S_IWUSR | S_IRUGO, dir,
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&alignment_proc_fops, &se_usermode);
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if (!res)
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return -ENOMEM;
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res->read_proc = proc_alignment_read;
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res->write_proc = proc_alignment_write;
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res = create_proc_entry("kernel_alignment", S_IWUSR | S_IRUGO, dir);
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res = proc_create_data("kernel_alignment", S_IWUSR | S_IRUGO, dir,
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&alignment_proc_fops, &se_kernmode_warn);
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if (!res)
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return -ENOMEM;
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res->read_proc = proc_alignment_read;
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res->write_proc = proc_alignment_kern_write;
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return 0;
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}
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