Пример #1
0
static void
ram_console_write(struct console *console, const char *s, unsigned int count)
{
	int rem;
	struct ram_console_buffer *buffer = ram_console_buffer;

	if (count > ram_console_buffer_size) {
		s += count - ram_console_buffer_size;
		count = ram_console_buffer_size;
	}
	rem = ram_console_buffer_size - buffer->start;
	if (rem < count) {
		ram_console_update(s, rem);
		s += rem;
		count -= rem;
		buffer->start = 0;
		buffer->size = ram_console_buffer_size;
	}
	ram_console_update(s, count);

	buffer->start += count;
	if (buffer->size < ram_console_buffer_size)
		buffer->size += count;
	ram_console_update_header();
}
void
ram_console_write(struct console *console, const char *s, unsigned int count)
{
	unsigned long flags;
	int rem;
	struct ram_console_buffer *buffer = ram_console_buffer;

	spin_lock_irqsave(&ram_console_lock, flags);

	if (count > ram_console_buffer_size) {
		s += count - ram_console_buffer_size;
		count = ram_console_buffer_size;
	}
	rem = ram_console_buffer_size - buffer->start;
	if (rem < count) {
		ram_console_update(s, rem);
		s += rem;
		count -= rem;
		buffer->start = 0;
		buffer->size = ram_console_buffer_size;
	}
	ram_console_update(s, count);

	buffer->start += count;
	if (buffer->size < ram_console_buffer_size)
		buffer->size += count;
	ram_console_update_header();

	spin_unlock_irqrestore(&ram_console_lock, flags);
}