RE: mips32_flush_cache routine corrupts CP0_STATUS with gcc-2.96

[Geert Uytterhoeven <geert@linux-m68k.org>]

On Fri, 12 Jul 2002, Sedjai, Mohamed wrote:
> If you run instruction cache flushing cached, then the cache will be dirty
> when the routine returns. At least the line(s) containing the routine itself ?
> Or am I missing something ?

Since the contents of the instruction cache are never changed (except by a
cache load), an instruction cache line can never become dirty.

Dirty cache lines and cache line write back are an exclusive privilege of write
back data caches.

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