Re: Strange, strange occurence

[Ralf Baechle <ralf@linux-mips.org>]

On Mon, Jul 12, 2004 at 05:16:31PM +0200, Kevin D. Kissell wrote:

> A truly safe and general I-cache flush routine should itself run uncached,
> but a cursory glance at the linux-mips.org sources makes me think
> that we do not take that precaution by default - the flush_icache_range
> pointer looks to be set to the address of r4k_flush_icache_range()
> function, rather than its (uncacheable) alias in kseg1.  Is this something
> that's fixed in a linker script, or are we just living dangerously?

That's a new restriction in MIPS32 v2.0 and you're right, we're not trying
to deal with it yet except for the TX49xx.

  Ralf