On Tue, 17 Jun 2003, Maciej W. Rozycki wrote:
> On Tue, 17 Jun 2003, Geert Uytterhoeven wrote:
> > > Hmm, calling the firmware for each character separately will certainly be
> > > terribly slow, though it may be negligible as normally few messages will
> > > be output this way. And since the call to prom_printf() is so cheap for
> > > the DECstation, I'm going to retain the function for real low-level
> > > debugging, whether otherwise used or not.
> >
> > kernel/printk.c doesn't call the low-level output routine for each character
> > separately, but passes complete strings of characters.
>
> So I can just call prom_printf("%s", string), right? This would solve
> this shortcoming.
More or less. The caveat is that console->write() is not called with a
NULL-terminated string, but with a pointer and a length.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
