char c;
for (; count-- > 0; (*ppos)++, tmp++) {
- if (!in_interrupt() && (((count + 1) & 0x1f) == 0))
+ if (((count + 1) & 0x1f) == 0) {
/*
- * let's be a little nice with other processes
- * that need some CPU
+ * charlcd_write() is invoked as a VFS->write() callback
+ * and as such it is always invoked from preemptible
+ * context and may sleep.
*/
- schedule();
+ cond_resched();
+ }
if (get_user(c, tmp))
return -EFAULT;
int count = strlen(s);
for (; count-- > 0; tmp++) {
- if (!in_interrupt() && (((count + 1) & 0x1f) == 0))
- /*
- * let's be a little nice with other processes
- * that need some CPU
- */
- schedule();
+ if (((count + 1) & 0x1f) == 0)
+ cond_resched();
charlcd_write_char(lcd, *tmp);
}